{"id":226,"date":"2025-01-14T02:55:06","date_gmt":"2025-01-14T02:55:06","guid":{"rendered":"https:\/\/www.hottacktest.com\/?page_id=226"},"modified":"2026-04-13T02:43:48","modified_gmt":"2026-04-13T02:43:48","slug":"heat-seal-and-hot-tack-testing-machine-astm-f1921","status":"publish","type":"page","link":"https:\/\/www.hottacktest.com\/lt\/","title":{"rendered":"Heat Seal and Hot Tack Testing Machine &#8211; ASTM F1921"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"226\" class=\"elementor elementor-226\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c60fdbb e-flex e-con-boxed e-con e-parent\" data-id=\"c60fdbb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-db6fcba e-con-full e-flex e-con e-child\" data-id=\"db6fcba\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-9d1f798 e-con-full e-flex e-con e-child\" data-id=\"9d1f798\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8cc5a79 e-con-full e-flex e-con e-child\" data-id=\"8cc5a79\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b6b67d4 elementor-widget elementor-widget-heading\" data-id=\"b6b67d4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\"><small>\u0160iluminio sandarinimo ir kar\u0161to sukibimo bandymo ma\u0161ina<\/small><br><small><b>ASTM F1921<\/small><\/b><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-69f526a elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"69f526a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"358\" data-end=\"947\">Pakuo\u010di\u0173 pramon\u0117je \u0161ilumini\u0173 plomb\u0173 vientisumo u\u017etikrinimas yra labai svarbus siekiant i\u0161laikyti produkt\u0173 kokyb\u0119 ir saug\u0105. \u0160iluminio sandarinimo ir kar\u0161to lipnumo bandymo ma\u0161inos atlieka svarb\u0173 vaidmen\u012f vertinant tarp termoplastini\u0173 med\u017eiag\u0173 suformuot\u0173 sandarikli\u0173 tvirtum\u0105 ir patikimum\u0105. \u0160ie bandymai ypa\u010d svarb\u016bs pramon\u0117s \u0161akose, kuriose naudojami form\u0173 u\u017epildymo ir sandarinimo (FFS) procesai, pavyzd\u017eiui, maisto produkt\u0173 pakuo\u010di\u0173 ir medicinos prietais\u0173 pakuo\u010di\u0173. Vertindami kar\u0161to lipnumo stiprum\u0105 ir \u0161iluminio sandarinimo savybes, gamintojai gali u\u017etikrinti, kad j\u0173 gaminiai atitikt\u0173 pramon\u0117s standartus ir patikimai veikt\u0173 realiomis s\u0105lygomis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b216aa7 elementor-button-align-stretch elementor-widget elementor-widget-form\" data-id=\"b216aa7\" data-element_type=\"widget\" data-settings=\"{&quot;button_width&quot;:&quot;20&quot;,&quot;step_next_label&quot;:&quot;Next&quot;,&quot;step_previous_label&quot;:&quot;Previous&quot;,&quot;step_type&quot;:&quot;number_text&quot;,&quot;step_icon_shape&quot;:&quot;circle&quot;}\" data-widget_type=\"form.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<form class=\"elementor-form\" method=\"post\" name=\"New Form\" action=\"\">\n\t\t\t<input type=\"hidden\" name=\"post_id\" value=\"226\"\/>\n\t\t\t<input type=\"hidden\" name=\"form_id\" value=\"b216aa7\"\/>\n\t\t\t<input type=\"hidden\" name=\"referer_title\" value=\"Hot Tack Test\" \/>\n\n\t\t\t\n\t\t\t<div class=\"elementor-form-fields-wrapper elementor-labels-\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-name elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-name\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tPavadinimas\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[name]\" id=\"form-field-name\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"Pavadinimas\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-text elementor-field-group elementor-column elementor-field-group-field_e66310b elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-field_e66310b\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\t\u012emon\u0117\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"text\" name=\"form_fields[field_e66310b]\" id=\"form-field-field_e66310b\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"\u012emon\u0117\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-email elementor-field-group elementor-column elementor-field-group-email elementor-col-100 elementor-field-required\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-email\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\tEl. pa\u0161tas\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<input size=\"1\" type=\"email\" name=\"form_fields[email]\" id=\"form-field-email\" class=\"elementor-field elementor-size-sm  elementor-field-textual\" placeholder=\"El. pa\u0161tas\" required=\"required\" aria-required=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-textarea elementor-field-group elementor-column elementor-field-group-message elementor-col-100\">\n\t\t\t\t\t\t\t\t\t\t\t\t<label for=\"form-field-message\" class=\"elementor-field-label elementor-screen-only\">\n\t\t\t\t\t\t\t\t\u017dinut\u0117\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t<textarea class=\"elementor-field-textual elementor-field  elementor-size-sm\" name=\"form_fields[message]\" id=\"form-field-message\" rows=\"4\" placeholder=\"\u017dinut\u0117\"><\/textarea>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha_v3 elementor-field-group elementor-column elementor-field-group-field_f2b376d elementor-col-100 recaptcha_v3-bottomright\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_f2b376d\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6Lcar6MrAAAAAL9Pz42-0SmIdCeogSKNdnyqx6QR\" data-type=\"v3\" data-action=\"Form\" data-badge=\"bottomright\" data-size=\"invisible\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-20 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Si\u0173sti<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"lt\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-163fe1b e-con-full e-flex e-con e-child\" data-id=\"163fe1b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-70c5562 e-flex e-con-boxed e-con e-parent\" data-id=\"70c5562\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4549d8c elementor-widget elementor-widget-heading\" data-id=\"4549d8c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Kas yra kar\u0161\u010dio sandarinimo ir kar\u0161to sukibimo bandymas?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-618a26d elementor-widget elementor-widget-text-editor\" data-id=\"618a26d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"866\" data-end=\"1304\">Atliekant terminio sandarinimo bandymus vertinamas sandarinimo, susidariusio dvi termoplastines pl\u0117veles sujungus kar\u0161\u010diu, stiprumas ir ilgaam\u017ei\u0161kumas. Kita vertus, atliekant kar\u0161to sukibimo bandym\u0105 vertinamas kar\u0161to sandariklio geb\u0117jimas atsispirti atskyrimo j\u0117goms i\u0161 karto po sandarinimo proceso, kol sandariklis dar n\u0117ra visi\u0161kai atv\u0117s\u0119s. Abu bandymai yra labai svarb\u016bs pramon\u0117s \u0161akose, kuriose sandarinimo vientisumas yra labai svarbus siekiant u\u017etikrinti produkto saug\u0105, kokyb\u0119 ir galiojimo laik\u0105.<\/p>\n<p data-start=\"1306\" data-end=\"1683\">Pakuo\u010di\u0173 med\u017eiag\u0173, ypa\u010d naudojam\u0173 vertikaliose formavimo-u\u017epildymo-u\u017edengimo (VFFS) sistemose, terminio sandarinimo ir kar\u0161to lipnumo savyb\u0117s lemia tarp med\u017eiag\u0173 susidariusio ry\u0161io stiprum\u0105 tam tikromis temperat\u016bros, laiko ir sl\u0117gio s\u0105lygomis. Tai ypa\u010d svarbu tais atvejais, kai pakuot\u0117s i\u0161 karto po sandarinimo pripildomos sunkiais arba kar\u0161tais produktais.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-279740c e-flex e-con-boxed e-con e-parent\" data-id=\"279740c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c2301b5 elementor-widget elementor-widget-heading\" data-id=\"c2301b5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">\u0160iluminio sandarinimo ir kar\u0161to sukibimo bandymo priemon\u0117s<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7857be1 elementor-widget elementor-widget-text-editor\" data-id=\"7857be1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"3919\" data-end=\"3966\">Norint atlikti tikslius kar\u0161\u010dio sandarinimo ir kar\u0161to lipnumo bandymus, reikia specializuotos \u012frangos, pvz. <strong>HTT <a href=\"https:\/\/www.hottacktest.com\/lt\/heat-seal-and-hot-tack-testing-machine-astm-f1921\/\" target=\"_blank\" rel=\"noopener\">Kar\u0161to klijavimo testeris<\/a><\/strong> naudojamas. \u0160ie prietaisai skirti tiksliai kontroliuoti tokius parametrus, kaip sandarinimo temperat\u016bra, sl\u0117gis ir veikimo laikas, tod\u0117l gamintojai gali atkartoti realias s\u0105lygas. Bandymai yra labai lengvai pritaikomi, tod\u0117l galima naudoti skirtingus bandym\u0173 grei\u010dius ir temperat\u016bros valdym\u0105, kad atitikt\u0173 bandomas med\u017eiagas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f75c689 elementor-widget elementor-widget-image\" data-id=\"f75c689\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.hottacktest.com\/lt\/heat-seal-and-hot-tack-testing-machine-astm-f1921\/\">\n\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"354\" src=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-768x354.webp\" class=\"attachment-medium_large size-medium_large wp-image-344\" alt=\"Kar\u0161to sukibimo testeris ASTM F192\" srcset=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-768x354.webp 768w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-300x138.webp 300w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-1024x472.webp 1024w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-1536x708.webp 1536w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-2048x944.webp 2048w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">HTT-01 kar\u0161to klijavimo testeris<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-504ddd1 e-grid e-con-full e-con e-child\" data-id=\"504ddd1\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-0aaf9d8 e-con-full e-flex e-con e-child\" data-id=\"0aaf9d8\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b00407e elementor-widget elementor-widget-heading\" data-id=\"b00407e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pagrindinis parametras<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89df73f elementor-widget elementor-widget-text-editor\" data-id=\"89df73f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr>\n<td width=\"123\">Sandarinimo temperat\u016bra.<\/td>\n<td width=\"251\">Aplinka ~ 250 \u2103<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Temperat\u016bros tikslumas<\/td>\n<td width=\"251\">\u00b10.2\u2103<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Prastovos laikas<\/td>\n<td width=\"251\">0,1 ~ 9999 s (\u0161iluminis sandarinimas)<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Prastovos laikas<\/td>\n<td width=\"251\">0,1 ~ 999999 s (kar\u0161tas priklijavimas)<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Sandarinimo sl\u0117gis<\/td>\n<td width=\"251\">0,15 MPa ~ 0,7 MPa<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Sandarinimo \u017eandikauliai<\/td>\n<td width=\"251\">50mmx10mm dengtas teflonu<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">\u017dandikauli\u0173 \u0161ildymas<\/td>\n<td width=\"251\">Dvigubas \u0161ildymas<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Apkrovos l\u0105stel\u0117<\/td>\n<td width=\"251\">200N (pasirinktinai: 30N50N100N ir t. t.)<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Tikslumas<\/td>\n<td width=\"251\">0,5 F.S.<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Rezoliucija<\/td>\n<td width=\"251\">0.01N<\/td>\n<\/tr>\n<tr>\n<td width=\"123\">Maitinimas<\/td>\n<td width=\"251\">220 V, 50 HZ<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ed7c506 e-con-full e-flex e-con e-child\" data-id=\"ed7c506\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-15aca83 elementor-widget elementor-widget-heading\" data-id=\"15aca83\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Pagrindin\u0117s terminio sandarinimo ir kar\u0161to sukibimo bandym\u0173 ma\u0161in\u0173 savyb\u0117s<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29a3cfd elementor-widget elementor-widget-text-editor\" data-id=\"29a3cfd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2673\" data-end=\"2865\">Auk\u0161tos kokyb\u0117s <a href=\"https:\/\/www.hottacktest.com\/lt\/heat-seal-and-hot-tack-testing-machine-astm-f1921\/\">kar\u0161to sandarinimo ir kar\u0161to lipnumo bandymo ma\u0161ina<\/a> tur\u0117t\u0173 b\u016bti galima tiksliai valdyti \u012fvairius parametrus, kad b\u016bt\u0173 tiksliai imituojamos realaus pasaulio s\u0105lygos. Pagrindin\u0117s \u0161i\u0173 ma\u0161in\u0173 savyb\u0117s:<\/p><ol data-start=\"2867\" data-end=\"4104\"><li data-start=\"2867\" data-end=\"3099\"><p data-start=\"2870\" data-end=\"3099\"><strong data-start=\"2870\" data-end=\"2903\">Tiksli temperat\u016bros kontrol\u0117<\/strong>: \u0160iluminiai sandarikliai ir kar\u0161to lipnumo testeriai turi palaikyti pastovi\u0105 sandarinimo temperat\u016br\u0105, kuri gali svyruoti nuo aplinkos temperat\u016bros iki 250 \u00b0C. Norint gauti patikimus bandym\u0173 rezultatus, b\u016btina tiksli kontrol\u0117.<\/p><\/li><li data-start=\"3104\" data-end=\"3339\"><p data-start=\"3107\" data-end=\"3339\"><strong data-start=\"3107\" data-end=\"3132\">Reguliuojamas veikimo laikas<\/strong>: \u012erenginyje tur\u0117t\u0173 b\u016bti galima reguliuoti veikimo laik\u0105, kad jis atitikt\u0173 skirting\u0173 med\u017eiag\u0173 reikalavimus. Laikas, kur\u012f med\u017eiaga sandarinimo metu yra veikiama kar\u0161\u010dio ir sl\u0117gio, rei\u0161kia laik\u0105, kur\u012f med\u017eiaga yra veikiama kar\u0161\u010dio ir sl\u0117gio.<\/p><\/li><li data-start=\"3341\" data-end=\"3541\"><p data-start=\"3344\" data-end=\"3541\"><strong data-start=\"3344\" data-end=\"3380\">Apkrovos elementai ir j\u0117gos matavimas<\/strong>: Norint nustatyti kar\u0161to sukibimo stipr\u012f, b\u016btina tiksliai i\u0161matuoti j\u0117g\u0105. Didelio tikslumo (pvz., 0,5 F.S.) apkrovos jutikliai u\u017etikrina tikslius rodmenis.<\/p><\/li><li data-start=\"3543\" data-end=\"3718\"><p data-start=\"3546\" data-end=\"3718\"><strong data-start=\"3546\" data-end=\"3573\">Patogi vartotojui s\u0105saja<\/strong>: \u0160iuolaikin\u0117se ma\u0161inose \u012frengtos PLC (programuojam\u0173 logini\u0173 valdikli\u0173) sistemos ir jutiklinio ekrano s\u0105sajos, kad jas b\u016bt\u0173 lengva valdyti ir analizuoti duomenis.<\/p><\/li><li data-start=\"3720\" data-end=\"3898\"><p data-start=\"3723\" data-end=\"3898\"><strong data-start=\"3723\" data-end=\"3753\">Atitiktis ASTM F1921 standartui<\/strong>: Svarbu, kad bandym\u0173 ma\u0161ina atitikt\u0173 ASTM F1921 reikalavimus, u\u017etikrinan\u010dius, kad bandymai b\u016bt\u0173 atliekami standartizuotomis s\u0105lygomis.<\/p><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-fefe3ef e-flex e-con-boxed e-con e-parent\" data-id=\"fefe3ef\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9165448 elementor-widget elementor-widget-heading\" data-id=\"9165448\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Kar\u0161to klijavimo stiprumo svarba<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-384fe84 elementor-widget elementor-widget-text-editor\" data-id=\"384fe84\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"989\" data-end=\"1397\">Atliekant kar\u0161to sukibimo bandym\u0105 matuojamas sandarinimo stiprumas i\u0161 karto po kar\u0161to sandarinimo proceso, kol med\u017eiaga dar neatv\u0117so. Tai labai svarbu pakavimo linijoms, kuriose sandarinimas ir u\u017epildymas vyksta vienu metu, ypa\u010d kai naudojamas sunkus turinys. Nesant pakankamo kar\u0161to prilipimo stiprumo, pakuot\u0117s sandarumas gali sutrikti ankstyvaisiais au\u0161inimo etapais, d\u0117l to gali i\u0161silieti arba nukent\u0117ti produkto sauga.<\/p><p data-start=\"1399\" data-end=\"1771\">Kar\u0161to sukibimo stipris yra pagrindinis veiksnys vertikaliojo formavimo ir u\u017epildymo sandarinimo (VFFS) sistemose. \u0160iose sistemose sandarinimas vyksta greitai, tod\u0117l lieka nedaug laiko sandarinimui atv\u0117sti, kol pakuot\u0117 bus u\u017epildyta turiniu. \u0160iuo bandymu \u012fvertinama did\u017eiausia j\u0117ga, kuri\u0105 gali atlaikyti u\u017eklijuotas sluoksnis, kol jis dar kar\u0161tas, ir tai padeda gamintojams \u012fvertinti sandariklio ilgaam\u017ei\u0161kum\u0105 realiomis s\u0105lygomis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f4d173e e-flex e-con-boxed e-con e-parent\" data-id=\"f4d173e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-273f256 e-grid e-con-full e-con e-child\" data-id=\"273f256\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e0640f0 elementor-widget elementor-widget-image\" data-id=\"e0640f0\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.hottacktest.com\/lt\/heat-seal-and-hot-tack-testing-machine-astm-f1921\/\">\n\t\t\t\t\t\t\t<img decoding=\"async\" width=\"613\" height=\"1024\" src=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/heat-seal-and-hot-tack-testing-machine-astm-f1921-613x1024.webp\" class=\"attachment-large size-large wp-image-345\" alt=\"kar\u0161to sandarinimo ir kar\u0161to lipnumo bandymo ma\u0161ina astm f1921\" srcset=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/heat-seal-and-hot-tack-testing-machine-astm-f1921-613x1024.webp 613w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/heat-seal-and-hot-tack-testing-machine-astm-f1921-179x300.webp 179w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/heat-seal-and-hot-tack-testing-machine-astm-f1921-768x1284.webp 768w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/heat-seal-and-hot-tack-testing-machine-astm-f1921-919x1536.webp 919w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/heat-seal-and-hot-tack-testing-machine-astm-f1921-1225x2048.webp 1225w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/elementor\/thumbs\/heat-seal-and-hot-tack-testing-machine-astm-f1921-scaled-r23n0kotxtce4yanysnkaz6gmn9s8nl8gwqrla40e4.webp 999w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/elementor\/thumbs\/heat-seal-and-hot-tack-testing-machine-astm-f1921-scaled-r23n0kop0mzns1qka84vg5qqzvgewejmgppqup3926.webp 595w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/heat-seal-and-hot-tack-testing-machine-astm-f1921-scaled.webp 1531w\" sizes=\"(max-width: 613px) 100vw, 613px\" \/>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">HTT-02 kar\u0161to klijavimo testeris<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-96a69d2 e-con-full e-flex e-con e-child\" data-id=\"96a69d2\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eda3a1b elementor-widget elementor-widget-heading\" data-id=\"eda3a1b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">ASTM F1921 standarto supratimas ir jo vaidmuo atliekant kar\u0161to sukibimo bandym\u0105<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b57d16a elementor-widget elementor-widget-text-editor\" data-id=\"b57d16a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1836\" data-end=\"2218\"><strong><a href=\"https:\/\/www.hottacktest.com\/lt\/astm-f1921-hot-tack-test-method\/\" target=\"_blank\" rel=\"noopener\">ASTM F1921<\/a><\/strong> yra standartinis bandymo metodas, skirtas termoplastini\u0173 polimer\u0173 ir mi\u0161ini\u0173, naudojam\u0173 lanks\u010dioms juostoms gaminti, kar\u0161to sukibimo stipriui matuoti. Jame pateikiamos konkre\u010dios gair\u0117s, kaip i\u0161matuoti j\u0117g\u0105, reikaling\u0105 kar\u0161tuoju b\u016bdu u\u017eklijuotam plotui atskirti, kol jis dar kar\u0161tas. \u0160is standartas pla\u010diai taikomas pakavimo pramon\u0117je, siekiant u\u017etikrinti lanks\u010di\u0173 med\u017eiag\u0173 sandarinimo savybes ir saugum\u0105.<\/p><p data-start=\"2220\" data-end=\"2610\">ASTM F1921 bandymo metodas apima dviej\u0173 bandini\u0173 juosteli\u0173 sandarinim\u0105 tarp \u012fkaitint\u0173 \u017eandikauli\u0173 kontroliuojamomis temperat\u016bros, sl\u0117gio ir i\u0161laikymo trukm\u0117s s\u0105lygomis. Po to, kai susidaro sandarumas, u\u017eplombuotas bandinys i\u0161traukiamas ir i\u0161matuojama j\u0117ga, kurios reikia jam atskirti. \u0160is procesas padeda nustatyti, ar termi\u0161kai u\u017eklijuota pakuot\u0117 i\u0161silaikys veikiama \u012ftempi\u0173, su kuriais gali susidurti per savo gyvavimo cikl\u0105.<\/p><p data-start=\"2461\" data-end=\"2659\">\u0160iame standarte apra\u0161yti du termoplastini\u0173 polimer\u0173 kar\u0161to sukibimo stiprumo nustatymo metodai:<\/p><ul data-start=\"2661\" data-end=\"2894\"><li data-start=\"2661\" data-end=\"2792\"><strong data-start=\"2663\" data-end=\"2689\">A metodas (fiksuotas u\u017edelsimas)<\/strong>: Matuoja kar\u0161to sukibimo stipr\u012f \u012fvairiu metu po \u017eandikaulio atskyrimo su i\u0161 anksto nustatytu u\u017edelsimu.<\/li><li data-start=\"2793\" data-end=\"2894\"><strong data-start=\"2795\" data-end=\"2824\">B metodas (kintamas u\u017edelsimas)<\/strong>: Matuojamas did\u017eiausias kar\u0161to sukibimo stipris skirtingais u\u017edelsimo intervalais.<\/li><\/ul><p data-start=\"2896\" data-end=\"3190\">Laikydamiesi ASTM F1921 rekomendacij\u0173, gamintojai gali u\u017etikrinti, kad j\u0173 pakavimo med\u017eiagos atitikt\u0173 reikalaujamus stiprumo standartus. Taip u\u017etikrinama, kad pakuot\u0117s gerai veiks realiomis s\u0105lygomis, pavyzd\u017eiui, gaminant dideliu grei\u010diu ir veikiant \u012fvairiems aplinkos veiksniams.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d0184fb e-flex e-con-boxed e-con e-parent\" data-id=\"d0184fb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b9b901f elementor-widget elementor-widget-heading\" data-id=\"b9b901f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Kar\u0161to sukibimo bandymo proced\u016bros<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-10a97de elementor-widget elementor-widget-text-editor\" data-id=\"10a97de\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 data-start=\"3256\" data-end=\"3283\">1. M\u0117ginio paruo\u0161imas<\/h3>\n<p data-start=\"3284\" data-end=\"3562\">Prie\u0161 pradedant kar\u0161to sandarinimo ir kar\u0161to sukibimo bandymus, med\u017eiagos bandiniai supjaustomi iki reikiamo dyd\u017eio. Atliekant kar\u0161to sukibimo bandym\u0105, bandini\u0173 juostel\u0117s paprastai b\u016bna 15-25 mm plo\u010dio. Siekiant u\u017etikrinti tikslum\u0105, med\u017eiaga gali b\u016bti kondicionuojama kontroliuojamomis atmosferos s\u0105lygomis.<\/p>\n<h3 data-start=\"3564\" data-end=\"3586\">2. Sandarinimo procesas<\/h3>\n<p data-start=\"3587\" data-end=\"3906\">M\u0117ginys dedamas tarp dviej\u0173 \u012fkaitint\u0173 \u017eandikauli\u0173, kurie spaud\u017eia ir kaitina, kad b\u016bt\u0173 suformuotas sandariklis. Naudojami temperat\u016bros ir sl\u0117gio parametrai priklauso nuo konkre\u010dios bandomos med\u017eiagos ir gaminamos pakuot\u0117s tipo. Pavyzd\u017eiui, pl\u0117vel\u0117ms su storesniais sluoksniais gali prireikti auk\u0161tesn\u0117s temperat\u016bros arba ilgesnio i\u0161laikymo laiko.<\/p>\n<h3 data-start=\"3908\" data-end=\"3935\">3. Kar\u0161to sukibimo matavimas<\/h3>\n<p data-start=\"3936\" data-end=\"4186\">U\u017eklijavus med\u017eiag\u0105, ji greitai i\u0161imama i\u0161 \u017eandikauli\u0173. I\u0161matuojama j\u0117ga, kurios reikia u\u017eklijuotai med\u017eiagai atskirti. \u0160i j\u0117ga yra kar\u0161to sukibimo stipris, kuris vertinamas \u012fvairiais laiko intervalais, paprastai pagal au\u0161inimo kreiv\u0119.<\/p>\n<ul data-start=\"4188\" data-end=\"4378\">\n<li data-start=\"4188\" data-end=\"4284\"><strong data-start=\"4190\" data-end=\"4212\">Fiksuoto u\u017edelsimo metodas<\/strong>: Matuoja j\u0117g\u0105 skirtingais laiko intervalais po to, kai u\u017espaud\u017eiama.<\/li>\n<li data-start=\"4285\" data-end=\"4378\"><strong data-start=\"4287\" data-end=\"4312\">Kintamo u\u017edelsimo metodas<\/strong>: Nustato did\u017eiausi\u0105 j\u0117g\u0105, veikian\u010di\u0105 i\u0161traukiant plomb\u0105.<\/li>\n<\/ul>\n<p data-start=\"4380\" data-end=\"4506\">\u0160ie bandymai yra labai svarb\u016bs siekiant u\u017etikrinti, kad sandarikliai atlaikyt\u0173 gamybos ir sand\u0117liavimo metu juos veikian\u010dias j\u0117gas.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Heat Seal and Hot Tack Testing MachineASTM F1921 In the packaging industry, ensuring the integrity of heat seals is crucial for maintaining product quality and safety. Heat seal and hot tack testing machines play a vital role in evaluating the strength and reliability of seals formed between thermoplastic materials. These tests are especially important for [&hellip;]<\/p>","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-226","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Heat Seal and Hot Tack Testing Machine - ASTM F1921 - Hot Tack Test<\/title>\n<meta name=\"description\" content=\"Discover the significance of heat seal and hot tack testing for thermoplastic materials and ASTM F1921, precise hot tack tester.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hottacktest.com\/lt\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Heat Seal and Hot Tack Testing Machine - ASTM F1921 - Hot Tack Test\" \/>\n<meta property=\"og:description\" content=\"Discover the significance of heat seal and hot tack testing for thermoplastic materials and ASTM F1921, precise hot tack tester.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hottacktest.com\/lt\/\" \/>\n<meta property=\"og:site_name\" content=\"Hot Tack Test\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-13T02:43:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-scaled.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1179\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"6 minut\u0117s\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.hottacktest.com\/\",\"url\":\"https:\/\/www.hottacktest.com\/\",\"name\":\"Heat Seal and Hot Tack Testing Machine - ASTM F1921 - Hot Tack Test\",\"isPartOf\":{\"@id\":\"https:\/\/www.hottacktest.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.hottacktest.com\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.hottacktest.com\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-768x354.webp\",\"datePublished\":\"2025-01-14T02:55:06+00:00\",\"dateModified\":\"2026-04-13T02:43:48+00:00\",\"description\":\"Discover the significance of heat seal and hot tack testing for thermoplastic materials and ASTM F1921, precise hot tack tester.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.hottacktest.com\/#breadcrumb\"},\"inLanguage\":\"lt-LT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.hottacktest.com\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"lt-LT\",\"@id\":\"https:\/\/www.hottacktest.com\/#primaryimage\",\"url\":\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-768x354.webp\",\"contentUrl\":\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/02\/Hot-Tack-Tester-ASTM-F192-768x354.webp\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.hottacktest.com\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.hottacktest.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Heat Seal and Hot Tack Testing Machine &#8211; 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