{"id":534,"date":"2025-07-01T01:49:46","date_gmt":"2025-07-01T01:49:46","guid":{"rendered":"https:\/\/www.hottacktest.com\/?p=534"},"modified":"2025-07-01T01:49:48","modified_gmt":"2025-07-01T01:49:48","slug":"flour-packaging-understanding-hot-tack-strength-testing-with-astm-f1921","status":"publish","type":"post","link":"https:\/\/www.hottacktest.com\/lv\/flour-packaging-understanding-hot-tack-strength-testing-with-astm-f1921","title":{"rendered":"Miltu iepakojums: Izpratne par karst\u0101s sa\u0137eres iztur\u012bbas test\u0113\u0161anu ar ASTM F1921"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Miltu iepakojumam ir iz\u0161\u0137iro\u0161a noz\u012bme, lai saglab\u0101tu produkta svaigumu, pasarg\u0101tu to no pies\u0101r\u0146ojuma un nodro\u0161in\u0101tu, ka transport\u0113\u0161anas un uzglab\u0101\u0161anas laik\u0101 tas paliek neskarts. Viens no galvenajiem faktoriem, kas nodro\u0161ina dro\u0161u iepako\u0161anu, ir <strong>karst\u0101s l\u012bm\u0113\u0161anas iztur\u012bba<\/strong>-termiski aizz\u012bmogota materi\u0101la sp\u0113ja tur\u0113ties kop\u0101, ja uzreiz p\u0113c aizz\u012bmogo\u0161anas tas tiek pak\u013cauts spriegumam. \u0160aj\u0101 rakst\u0101 m\u0113s p\u0113t\u0101m, k\u0101 p\u0101rbaud\u012bt <strong>karst\u0101s l\u012bm\u0113\u0161anas iztur\u012bba<\/strong> miltu iesai\u0146ojuma materi\u0101liem, iev\u0113rojot ASTM F1921 standartu, lai nodro\u0161in\u0101tu iepakojuma integrit\u0101ti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kas ir miltu iepakojuma karst\u0101s sa\u0137eres iztur\u012bba?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Karst\u0101s sa\u0137eres iztur\u012bba<\/strong> attiecas uz sp\u0113ku, kas nepiecie\u0161ams, lai atdal\u012btu divus karstum\u0101 hermetiz\u0113tus materi\u0101la sl\u0101\u0146us uzreiz p\u0113c hermetiz\u0101cijas, kam\u0113r materi\u0101ls v\u0113l atdziest. Attiec\u012bb\u0101 uz <strong>miltu iepakojums<\/strong>, \u0161\u012b iztur\u012bba ir \u013coti svar\u012bga, jo bl\u012bv\u0113jumam ir j\u0101noturas apst\u0101k\u013cos, kas rodas \u012bsi p\u0113c bl\u012bv\u0113\u0161anas procesa, pirms iepakojums piln\u012bb\u0101 atdziest.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Karst\u0101s sa\u0137eres iztur\u012bba ir \u012bpa\u0161i noz\u012bm\u012bga <strong>daudzsl\u0101\u0146u pl\u0113ves<\/strong> ko izmanto miltu iepako\u0161anai. Ja termiski herm\u0113tiski nosl\u0113gt\u0101 saite p\u0101rtr\u016bkst priek\u0161laic\u012bgi, var rasties t\u0101das probl\u0113mas k\u0101 pies\u0101r\u0146ojums, nopl\u016bde vai produkta boj\u0101\u0161an\u0101s, kas kait\u0113 produkta kvalit\u0101tei un der\u012bguma termi\u0146am.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Karst\u0101s sa\u0137eres test\u0113\u0161anas noz\u012bme miltu iepako\u0161an\u0101<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Hot Tack noz\u012bme un t\u0101s noz\u012bme<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pirms iztirz\u0101t, k\u0101 tiek veikta karst\u0101s pielip\u0161anas test\u0113\u0161ana, ir svar\u012bgi saprast, ko noz\u012bm\u0113. <strong>karst\u0101 l\u012bm\u0113\u0161ana<\/strong>. Vienk\u0101r\u0161oti run\u0101jot, tas attiecas uz aizz\u012bmogot\u0101 iepakojuma sp\u0113ju notur\u0113ties sasprindzin\u0101juma apst\u0101k\u013cos bl\u012bv\u0113\u0161anas procesa dzes\u0113\u0161anas f\u0101z\u0113. Tas ir \u013coti svar\u012bgi miltu iepakojumam, jo tam j\u0101saglab\u0101 integrit\u0101te pat tad, ja t\u016bl\u012bt p\u0113c aizz\u012bmogo\u0161anas notiek manipul\u0101cijas, piem\u0113ram, pild\u012b\u0161anas, p\u0101rkrau\u0161anas vai transport\u0113\u0161anas laik\u0101.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lai nodro\u0161in\u0101tu, ka <strong>miltu iepakojuma materi\u0101li<\/strong> var iztur\u0113t sp\u0113kus, ar kuriem t\u0101s saskaras p\u0113c bl\u012bv\u0113\u0161anas, ra\u017eot\u0101jiem j\u0101veic prec\u012bzi karst\u0101s sa\u0137eres iztur\u012bbas testi, jo \u012bpa\u0161i, ja tiek izmantotas daudzsl\u0101\u0146u pl\u0113ves. \u0160\u012bs pl\u0113ves parasti ietver polietil\u0113na, polipropil\u0113na vai citu specializ\u0113tu materi\u0101lu kombin\u0101cijas, kas paredz\u0113tas, lai nodro\u0161in\u0101tu barjeras \u012bpa\u0161\u012bbas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">ASTM F1921: Standarts karst\u0101s sa\u0137eres iztur\u012bbas test\u0113\u0161anai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/www.hottacktest.com\/lv\/astm-f1921-hot-tack-test-method\/\">ASTM F1921<\/a><\/strong>, ar nosaukumu <em>Termoplastisko pl\u0113vju karst\u0101s sa\u0137eres stipr\u012bbas standarta test\u0113\u0161anas metode<\/em>, sniedz vadl\u012bnijas un proced\u016bras prec\u012bzai karst\u0101s lip\u012bbas stipr\u012bbas m\u0113r\u012b\u0161anai. \u0160is standarts pal\u012bdz ra\u017eot\u0101jiem nov\u0113rt\u0113t, cik labi iepakojuma materi\u0101li darbojas da\u017e\u0101dos bl\u012bv\u0113\u0161anas apst\u0101k\u013cos, kas ir \u012bpa\u0161i svar\u012bgi t\u0101diem produktiem k\u0101 milti, kuriem nepiecie\u0161ami dro\u0161i un ilgi notur\u012bgi bl\u012bv\u0113jumi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Testa metodes p\u0101rskats<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Testa laik\u0101 kontrol\u0113tos apst\u0101k\u013cos tiek herm\u0113tiski nosl\u0113gtas divas materi\u0101la sloksnes (viena un t\u0101 pati vai at\u0161\u0137ir\u012bga materi\u0101la pl\u0113ve) <strong>temperat\u016bra, spiediens un kontakta laiks<\/strong>. P\u0113c aizz\u012bmogo\u0161anas sloksnes tiek atdal\u012btas ar noteiktu \u0101trumu, un tiek m\u0113r\u012bts sp\u0113ks, kas nepiecie\u0161ams, lai t\u0101s atdal\u012btu. Sp\u0113ks tiek re\u0123istr\u0113ts ar da\u017e\u0101diem interv\u0101liem, ar <strong>karst\u0101s l\u012bm\u0113\u0161anas iztur\u012bba<\/strong> zi\u0146ots k\u0101 sp\u0113ks, kas vajadz\u012bgs, lai atdal\u012btu plombu noteikt\u0101 laik\u0101 p\u0113c \u017eok\u013cu atv\u0113r\u0161anas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Karst\u0101s sa\u0137eres test\u0113\u0161anas metodes<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Saska\u0146\u0101 ar ASTM F1921 ir divas galven\u0101s karst\u0101s lip\u012bbas test\u0113\u0161anas metodes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A metode (fiks\u0113ts aizkaves tips):<\/strong> Karst\u0101s sa\u0137eres stipr\u012bbas m\u0113r\u012bjumi tiek veikti noteiktos interv\u0101los p\u0113c \u017eok\u013ca atv\u0113r\u0161anas, s\u0101kot p\u0113c lietot\u0101ja noteikta kav\u0113\u0161an\u0101s perioda.<\/li>\n\n\n\n<li><strong>B metode (main\u012bgs aizkaves tips):<\/strong> M\u0113ra maksim\u0101lo karst\u0101s sa\u0137eres stipr\u012bbu p\u0113c main\u012bga kav\u0113\u0161an\u0101s perioda, fiks\u0113jot maksim\u0101lo sp\u0113ku parauga atdal\u012b\u0161anas laik\u0101.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lai veiktu prec\u012bzu test\u0113\u0161anu, abas metodes sniedz v\u0113rt\u012bgu ieskatu par <strong>pl\u0113ves veiktsp\u0113ja dzes\u0113\u0161anas laik\u0101<\/strong> un pal\u012bdz noteikt optim\u0101los bl\u012bv\u0113\u0161anas parametrus da\u017e\u0101du veidu miltu iepakojuma pl\u0113v\u0113m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Miltu iepakojuma karst\u0101s sa\u0137eres stipr\u012bbas test\u0113\u0161anas proced\u016bra<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Parauga sagatavo\u0161ana<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vispirms izgrieziet miltu iepakojuma pl\u0113ves sloksnes, nodro\u0161inot, ka t\u0101s ir vien\u0101da platuma (parasti aptuveni 25 mm). Atkar\u012bb\u0101 no iepakojuma konstrukcijas paraugs var b\u016bt viensl\u0101\u0146u vai daudzsl\u0101\u0146u pl\u0113ve. Lentes ir pareizi j\u0101orient\u0113, lai t\u0101s atbilstu bl\u012bv\u0113\u0161anas virzienam un cit\u0101m pl\u0113ves \u012bpa\u0161\u012bb\u0101m.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Karst\u0101s takel\u0101\u017eas testera iestat\u012b\u0161ana<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Izmantojot <strong>karst\u0101s l\u012bm\u0113\u0161anas testeris<\/strong>, piem\u0113ram. <strong><a href=\"https:\/\/www.hottacktest.com\/lv\/\">\u0160\u016bnu instrumenti<\/a> HTT-01<\/strong>, j\u016bs varat prec\u012bzi kontrol\u0113t test\u0113\u0161anas apst\u0101k\u013cus, lai imit\u0113tu re\u0101l\u0101s pasaules bl\u012bv\u0113jumu. Lai nodro\u0161in\u0101tu optim\u0101lu bl\u012bv\u0113\u0161anas veiktsp\u0113ju, p\u0101rliecinieties, ka temperat\u016bras, spiediena un kontakta laika iestat\u012bjumi atbilst pl\u0113ves ra\u017eot\u0101ja specifik\u0101cij\u0101m. Apr\u012bkojuma kalibr\u0113\u0161ana ir \u013coti svar\u012bga, lai garant\u0113tu prec\u012bzus rezult\u0101tus.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bl\u012bv\u0113\u0161ana un test\u0113\u0161ana<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1. solis:<\/strong> Ievietojiet sagatavot\u0101s pl\u0113ves sloksnes karst\u0101s l\u012bmpl\u0113ves testera spail\u0113s.<\/li>\n\n\n\n<li><strong>2. solis:<\/strong> Uzliec sloksnes ar siltumu un spiedienu uz vajadz\u012bgo laiku.<\/li>\n\n\n\n<li><strong>3. solis:<\/strong> P\u0113c bl\u012bv\u0113\u0161anas procesa spailes atveras, un aizz\u012bmogot\u0101s sloksnes ar kontrol\u0113tu \u0101trumu tiek atdal\u012btas ar rokturiem.<\/li>\n\n\n\n<li><strong>4. solis:<\/strong> Re\u0123istr\u0113jiet sp\u0113ku, kas nepiecie\u0161ams, lai atdal\u012btu bl\u012bv\u0113jumu da\u017e\u0101dos dzes\u0113\u0161anas interv\u0101los (atkar\u012bb\u0101 no izmantot\u0101s metodes). Sp\u0113ka datus izmanto, lai apr\u0113\u0137in\u0101tu <strong>karst\u0101s l\u012bm\u0113\u0161anas iztur\u012bba<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Rezult\u0101tu nov\u0113rt\u0113\u0161ana<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Lai izveidotu karst\u0101s lip\u012bbas l\u012bkni, grafik\u0101 tiek att\u0113lots sp\u0113ks, kas nepiecie\u0161ams, lai atdal\u012btu bl\u012bv\u0113jumu. \u0160\u012b l\u012bkne sniedz v\u0113rt\u012bgus datus par <strong>bl\u012bv\u0113juma iztur\u012bba laika gait\u0101<\/strong>, kas \u013cauj ra\u017eot\u0101jiem optimiz\u0113t bl\u012bv\u0113\u0161anas procesus. Liel\u0101kais sp\u0113ks, kas nov\u0113rots pirms bl\u012bv\u0113juma atdal\u012b\u0161anas, tiek izmantots k\u0101 m\u0113r\u012b\u0161anas sp\u0113ks. <strong>karst\u0101s l\u012bm\u0113\u0161anas iztur\u012bba<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ieteicamais apr\u012bkojums: Cell Instruments HTT-01<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Port\u0101ls <strong>\u0160\u016bnu instrumenti HTT-01 <a href=\"https:\/\/www.hottacktest.com\/lv\/\">Karst\u0101s takel\u0101\u017eas testeris<\/a><\/strong> ir lielisks r\u012bks \u0161ai test\u0113\u0161anai. Tas \u013cauj prec\u012bzi kontrol\u0113t temperat\u016bru, spiedienu un notur\u0113\u0161anas laiku, nodro\u0161inot prec\u012bzus un atk\u0101rtojamus rezult\u0101tus. . <strong>HTT-01<\/strong> atbalsta ar\u012b <strong>A metode<\/strong> un <strong>B metode<\/strong>, kas nodro\u0161ina daudzpus\u012bbu da\u017e\u0101d\u0101m testa pras\u012bb\u0101m.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">K\u0101p\u0113c miltu iesai\u0146o\u0161anai ir svar\u012bga karst\u0101s sa\u0137eres test\u0113\u0161ana<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Test\u0113\u0161ana <strong>karst\u0101s l\u012bm\u0113\u0161anas iztur\u012bba<\/strong> no <strong>miltu iepakojums<\/strong> ir iz\u0161\u0137iro\u0161a noz\u012bme, lai nodro\u0161in\u0101tu iepakojuma neskartu iztur\u012bbu, kas rodas p\u0101rkrau\u0161anas un izplat\u012b\u0161anas laik\u0101. Ja nav pietiekamas karst\u0101s sa\u0137eres iztur\u012bbas, z\u012bmogs var neiztur\u0113t, un t\u0101d\u0113j\u0101di var tikt apdraud\u0113ta iepakojuma integrit\u0101te un produkta kvalit\u0101te.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Test\u0113\u0161anas laik\u0101 bie\u017ei konstat\u0113t\u0101s probl\u0113mas<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Karst\u0101s pielip\u0161anas test\u0113\u0161ana var pal\u012bdz\u0113t identific\u0113t \u0161\u0101das probl\u0113mas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>V\u0101ji bl\u012bv\u0113jumi<\/strong> kas neiztur minim\u0101lu slodzi.<\/li>\n\n\n\n<li><strong>Nesaska\u0146ota bl\u012bv\u0113juma veiktsp\u0113ja<\/strong> temperat\u016bras, spiediena vai pl\u0113ves \u012bpa\u0161\u012bbu sv\u0101rst\u012bbu d\u0113\u013c.<\/li>\n\n\n\n<li><strong>Materi\u0101lu nesader\u012bba<\/strong> kas ietekm\u0113 bl\u012bv\u0113juma iztur\u012bbu.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Risinot \u0161os jaut\u0101jumus, ra\u017eot\u0101ji var uzlabot savu izstr\u0101d\u0101jumu kop\u0113jo veiktsp\u0113ju. <strong>miltu iepakojums<\/strong> un izvair\u012bties no d\u0101rgiem iepakojuma boj\u0101jumiem.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Secin\u0101jums<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nobeigum\u0101, <strong>karst\u0101s l\u012bm\u0113\u0161anas iztur\u012bba<\/strong> ir iz\u0161\u0137iro\u0161a noz\u012bme, lai nodro\u0161in\u0101tu kvalit\u0101ti un iztur\u012bbu. <strong>miltu iepakojums<\/strong>. Sekojot <strong>ASTM F1921<\/strong> un izmantojot prec\u012bzu test\u0113\u0161anas apr\u012bkojumu, piem\u0113ram, <strong>\u0160\u016bnu instrumenti HTT-01<\/strong>, ra\u017eot\u0101ji var optimiz\u0113t bl\u012bv\u0113\u0161anas procesus un nodro\u0161in\u0101t, ka iepakojums atbilst nepiecie\u0161amajiem produktu aizsardz\u012bbas un dro\u0161\u012bbas standartiem.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Kas ir karst\u0101s pielip\u0161anas testeris | ASTM F1921 | Karst\u0101s pielip\u0161anas un nolob\u012b\u0161anas testeris\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/BrWEqIbLUgI?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/06\/flour-packaging-Hot-Tack-tester-htt-01-768x1024.jpg\" alt=\"\" class=\"wp-image-557\" srcset=\"https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/06\/flour-packaging-Hot-Tack-tester-htt-01-768x1024.jpg 768w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/06\/flour-packaging-Hot-Tack-tester-htt-01-225x300.jpg 225w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/06\/flour-packaging-Hot-Tack-tester-htt-01-1152x1536.jpg 1152w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/06\/flour-packaging-Hot-Tack-tester-htt-01-1536x2048.jpg 1536w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/06\/flour-packaging-Hot-Tack-tester-htt-01-9x12.jpg 9w, https:\/\/www.hottacktest.com\/wp-content\/uploads\/2025\/06\/flour-packaging-Hot-Tack-tester-htt-01-scaled.jpg 1920w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>Flour packaging plays a crucial role in maintaining the product\u2019s freshness, protecting it from contaminants, and ensuring it stays intact during transport and storage. One of the key factors in ensuring reliable packaging is hot tack strength\u2014the ability of a heat-sealed material to hold together when subjected to stress immediately after sealing. In this article, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-534","post","type-post","status-publish","format-standard","hentry","category-hot-tack-test"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Flour Packaging Hot Tack Testing Guide with ASTM F1921 - Hot Tack Test<\/title>\n<meta name=\"description\" content=\"Test the hot tack strength of flour packaging according to ASTM F1921. 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