{"id":1048,"date":"2025-12-12T01:01:28","date_gmt":"2025-12-12T01:01:28","guid":{"rendered":"https:\/\/www.materialstests.com\/?p=1048"},"modified":"2025-12-12T01:01:31","modified_gmt":"2025-12-12T01:01:31","slug":"how-to-measure-melt-flow-index-and-why-is-mfi-tester-important","status":"publish","type":"post","link":"https:\/\/www.materialstests.com\/lv\/resources\/how-to-measure-melt-flow-index-and-why-is-mfi-tester-important.html","title":{"rendered":"K\u0101 izm\u0113r\u012bt ku\u0161anas pl\u016bsmas indeksu un k\u0101p\u0113c ir svar\u012bgs MFI testeris?"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>K\u0101 izm\u0113r\u012bt ku\u0161anas pl\u016bsmas indeksu un k\u0101p\u0113c ir svar\u012bgs MFI testeris?<\/strong><\/h2>\n\n\n\n<p>Ku\u0161anas pl\u016bsmas indekss (MFI) ir polim\u0113ra masas m\u0113r\u012bjums, kas noteikt\u0101 temperat\u016br\u0101 un spiedien\u0101 izpl\u016bst caur kapil\u0101ru izm\u0113r\u012bt\u0101 laika period\u0101. Ku\u0161anas pl\u016bsmas indeksu parasti izmanto, lai izm\u0113r\u012btu polim\u0113ra ku\u0161anas pl\u016bsmas \u0101trumu (MFR).<\/p>\n\n\n\n<p>T\u0101d\u0113j\u0101di kaus\u0113\u0161anas pl\u016bsmas indekss jeb MFI ir standartiz\u0113ts polim\u0113ra masas m\u0113rs, kas noteikt\u0101 laika period\u0101 pl\u016bst caur kapil\u0101ru. Ku\u0161anas pl\u016bsmas indekss ir izkaus\u0113ta polim\u0113ra pl\u016bsmas \u0101truma m\u0113rs, un to parasti izmanto, lai nov\u0113rt\u0113tu polim\u0113ru partijas kvalit\u0101ti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ku\u0161anas pl\u016bsmas \u0101trums<\/strong><\/h2>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas \u0101trums (MFR) ir polim\u0113ra masa, kas testa laik\u0101 noteikt\u0101 laika period\u0101 pl\u016bst. Kaus\u0113juma pl\u016bsmas \u0101trums ir r\u0101d\u012bt\u0101js, ar k\u0101du vieglumu polim\u0113ru var apstr\u0101d\u0101t kaus\u0113jot. Ku\u0161anas pl\u016bsmas \u0101trumu var izm\u0113r\u012bt, izmantojot ku\u0161anas pl\u016bsmas indeksa testeri.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ku\u0161anas pl\u016bsmas indeksa testeris<\/strong><\/h2>\n\n\n\n<p>Port\u0101ls&nbsp;<strong>Ku\u0161anas pl\u016bsmas indeksa testeris<\/strong>&nbsp;sast\u0101v no ekstr\u016bdera, presformas un motora komplekta. Motora bloks darbina skr\u016bvi, kas virza polim\u0113ru caur presformu. Sprauslas atveres izm\u0113rs nosaka polim\u0113ra pl\u016bsmas \u0101trumu. Izkaus\u0113tais polim\u0113rs, kas iziet no presformas, nokr\u012bt uz sv\u0113r\u0161anas platformas, kur laika gait\u0101 re\u0123istr\u0113 polim\u0113ra masu. P\u0113c tam no re\u0123istr\u0113tajiem datiem apr\u0113\u0137ina kaus\u0113juma pl\u016bsmas \u0101trumu. Kaus\u0113juma pl\u016bsmas indekss ir noder\u012bgs kvalit\u0101tes kontrolei un polim\u0113ru apstr\u0101des apst\u0101k\u013cu noteik\u0161anai. To izmanto ar\u012b, lai sal\u012bdzin\u0101tu da\u017e\u0101du polim\u0113ru piem\u0113rot\u012bbu lietojumam.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>MFI noz\u012bme<\/strong><\/h2>\n\n\n\n<p>Ku\u0161anas pl\u016bsmas indeksa testeri tiek izmantoti ku\u0161anas pl\u016bsmas indeksa m\u0113r\u012b\u0161anai, un tos var atrast daudz\u0101s laboratorij\u0101s un kvalit\u0101tes kontroles iest\u0101d\u0113s.<\/p>\n\n\n\n<p>Ku\u0161anas pl\u016bsmas indeksu var ietekm\u0113t daudzi faktori, piem\u0113ram, polim\u0113ra veids, polim\u0113ra molekulmasa, ku\u0161anas pl\u016bsmas indeksa testera iestat\u012bjumi un vides apst\u0101k\u013ci test\u0113\u0161anas laik\u0101. Ku\u0161anas pl\u016bsmas indekss ir svar\u012bgs polim\u0113ra kvalit\u0101tes r\u0101d\u012bt\u0101js.<\/p>\n\n\n\n<p>MFI testeri var izmantot, lai nov\u0113rstu ra\u017eo\u0161anas partijas probl\u0113mas vai uzraudz\u012btu izmai\u0146as polim\u0113ru formul\u0101s.<\/p>\n\n\n\n<p>K\u0101 min\u0113ts iepriek\u0161, kaus\u0113\u0161anas pl\u016bsmas indekss (MFI) ir polim\u0113ra masas m\u0113rvien\u012bba, kas noteikt\u0101 temperat\u016br\u0101 un spiedien\u0101 izpl\u016bst caur kapil\u0101ru izm\u0113r\u012bt\u0101 laika period\u0101. Kaus\u0113juma pl\u016bsmas indeksa testeri var izmantot, lai izm\u0113r\u012btu polim\u0113ra kaus\u0113juma pl\u016bsmas indeksu.<\/p>\n\n\n\n<p>Ku\u0161anas pl\u016bsmas indekss ir svar\u012bga \u012bpa\u0161\u012bba, jo t\u0101 ir saist\u012bta ar polim\u0113ra viskozit\u0101ti, kas savuk\u0101rt ietekm\u0113 polim\u0113ra apstr\u0101di.  T\u0101d\u0113j\u0101di ku\u0161anas pl\u016bsmas indeksu var izmantot, lai optimiz\u0113tu polim\u0113ru apstr\u0101des apst\u0101k\u013cus. T\u0101 k\u0101 kaus\u0113\u0161anas pl\u016bsmas indekss ir ar\u012b polim\u0113ra viskozit\u0101tes r\u0101d\u012bt\u0101js, to var izmantot, lai korel\u0113tu, p\u0113tot polim\u0113ra \u012bpa\u0161\u012bbas. K\u0101 zin\u0101ms, viskozit\u0101te ir kaus\u0113ta materi\u0101la sp\u0113ja pl\u016bst, kad tas atrodas zem spiediena. Materi\u0101la ku\u0161anas pl\u016bsmas indekss ir apgriezti proporcion\u0101ls viskozit\u0101tei.<\/p>\n\n\n\n<p>Turkl\u0101t kaus\u0113\u0161anas pl\u016bsmas indeksu var izmantot, lai klasific\u0113tu polim\u0113rus un izv\u0113l\u0113tos piem\u0113rotus polim\u0113rus konkr\u0113tiem lietojumiem. Ku\u0161anas pl\u016bsmas indekss ir svar\u012bga \u012bpa\u0161\u012bba daudzu iemeslu d\u0113\u013c, un, ja iesp\u0113jams, t\u0101 ir j\u0101m\u0113ra.<\/p>\n\n\n\n<p>MFI var izmantot ar\u012b, lai sal\u012bdzin\u0101tu molekulmasas sadal\u012bjumu.<\/p>\n\n\n\n<p>T\u0101d\u0113j\u0101di MFI var saist\u012bt ar da\u017e\u0101d\u0101m polim\u0113ra \u012bpa\u0161\u012bb\u0101m, piem\u0113ram, molekulmasu, viskozit\u0101ti un masas sadal\u012bjumu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&nbsp;<\/h2>\n\n\n\n<p><strong>Galvenie punkti MFI<\/strong><\/p>\n\n\n\n<p>Jo augst\u0101ks ir polim\u0113ra ku\u0161anas pl\u016bsmas indekss, jo zem\u0101ka ir t\u0101 molekulmasa.<\/p>\n\n\n\n<p>MFI ir apgriezti proporcion\u0101ls polim\u0113ra viskozit\u0101tei.<strong>.<\/strong><\/p>\n\n\n\n<p>Viena materi\u0101la ku\u0161anas pl\u016bsmas indeksa v\u0113rt\u012bbas pie da\u017e\u0101diem gravimetriskajiem svariem var izmantot, lai noteiktu test\u0113jam\u0101 polim\u0113ra molekulmasas sadal\u012bjumu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">&nbsp;<\/h2>\n\n\n\n<p><strong>MFI un polim\u0113ra molekulmasa<\/strong><\/p>\n\n\n\n<p>Ku\u0161anas pl\u016bsmas indekss ir tests, ko izmanto, lai noteiktu termoplastisk\u0101 polim\u0113ra vid\u0113jo molekulmasu. Ku\u0161anas pl\u016bsmas indeksa testu veic, polim\u0113ra paraugu uzkars\u0113jot l\u012bdz noteiktai temperat\u016brai un izm\u0113rot laiku, kas nepiecie\u0161ams, lai polim\u0113rs izpl\u016bstu caur nelielu atveri. Ku\u0161anas pl\u016bsmas indekss ir apgriezti proporcion\u0101ls polim\u0113ra vid\u0113jai molekulmasai, t\u0101p\u0113c augsts ku\u0161anas pl\u016bsmas indekss nor\u0101da uz zemu vid\u0113jo molekulmasu, bet zems ku\u0161anas pl\u016bsmas indekss nor\u0101da uz augstu vid\u0113jo molekulmasu. Ku\u0161anas pl\u016bsmas indeksu parasti izmanto k\u0101 plastmasas kvalit\u0101tes kontroles r\u0101d\u012bt\u0101ju, jo tas ir tie\u0161i saist\u012bts ar plastmasas fizik\u0101laj\u0101m un sint\u0113tiskaj\u0101m \u012bpa\u0161\u012bb\u0101m. Augsts ku\u0161anas pl\u016bsmas indekss nor\u0101da, ka plastmasa ir labas kvalit\u0101tes un ir piem\u0113rota lieto\u0161anai, savuk\u0101rt zems ku\u0161anas pl\u016bsmas indekss nor\u0101da, ka plastmasa ir sliktas kvalit\u0101tes un nav piem\u0113rota lieto\u0161anai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kaus\u0113juma pl\u016bsmas indeksa test\u0113\u0161anas metode<\/strong><\/h2>\n\n\n\n<p>MFI ir termoplastisk\u0101 polim\u0113ra ku\u0161anas un pl\u016bsmas viegluma r\u0101d\u012bt\u0101js. Ku\u0161anas pl\u016bsmas indeksa v\u0113rt\u012bbu ieg\u016bst no izkaus\u0113ta polim\u0113ra ekstr\u016bzijas \u0101truma caur presformu noteiktos temperat\u016bras, slodzes un atveres diametra apst\u0101k\u013cos. Ku\u0161anas pl\u016bsmas indeksu izsaka k\u0101 polim\u0113ra svaru gramos, kas desmit min\u016bt\u0113s izpl\u016bst caur presformu.<\/p>\n\n\n\n<p>Kaus\u0113\u0161anas pl\u016bsmas indeksa testu veic, iel\u0101d\u0113jot paraugu Kaus\u0113\u0161anas pl\u016bsmas indeksa tester\u012b temperat\u016br\u0101, kas ir augst\u0101ka par t\u0101 ku\u0161anas temperat\u016bru.<\/p>\n\n\n\n<p>Kaus\u0113\u0161anas pl\u016bsmas indeksators sast\u0101v no elektriski apsild\u0101mas \u0101r\u0113j\u0101s zonas un iek\u0161\u0113j\u0101s presformas.<\/p>\n\n\n\n<p>Paraugu ievieto iek\u0161\u0113j\u0101 presform\u0101 un \u013cauj da\u017eas min\u016btes piln\u012bb\u0101 izkaus\u0113ties.<\/p>\n\n\n\n<p>P\u0113c tam tiek iesl\u0113gts kaus\u0113\u0161anas pl\u016bsmas indeksators, un skr\u016bv\u0113jamais perforators ar nemain\u012bgu \u0101trumu s\u0101k kust\u0113ties uz leju, izspie\u017eot izkaus\u0113to polim\u0113ru caur atveri presformas apak\u0161da\u013c\u0101.<\/p>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas \u0101trumu apr\u0113\u0137ina, pamatojoties uz laiku, kas nepiecie\u0161ams, lai 10 g polim\u0113ra izpl\u016bstu caur presformu.<\/p>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas \u0101trumu var izmantot, lai prognoz\u0113tu vair\u0101kas materi\u0101la \u012bpa\u0161\u012bbas, piem\u0113ram, apstr\u0101des \u012bpa\u0161\u012bbas, ilgtermi\u0146a viskoelast\u012bbu, stabilit\u0101ti galapat\u0113ri\u0146a laik\u0101 utt. T\u0101p\u0113c tas ir svar\u012bgs daudzu polim\u0113ru un plastmasas materi\u0101lu kvalit\u0101tes kontroles parametrs.<\/p>\n\n\n\n<p>T\u0101tad, lai nov\u0113rt\u0113tu plastmasas granulu piem\u0113rot\u012bbu lietojumam, pamatojoties uz to ku\u0161anas pl\u016bsmas indeksu, tiek veikts ku\u0161anas pl\u016bsmas indeksa tests. .&nbsp;<strong>Ku\u0161anas pl\u016bsmas indeksa testa rezult\u0101ti<\/strong>&nbsp;analiz\u0113 kvalit\u0101tes kontroles noda\u013ca, lai izlemtu, vai test\u0113jamais paraugs ir vai nav piem\u0113rots lieto\u0161anai. Ku\u0161anas pl\u016bsmas indeksa tests ir svar\u012bgs instruments, lai noteiktu termoplastisk\u0101 materi\u0101la piem\u0113rot\u012bbu lietojumam.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Kaus\u0113\u0161anas pl\u016bsmas indeksa test\u0113\u0161anas priek\u0161roc\u012bbas<\/strong><\/h2>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas indeksa test\u0113\u0161ana ir izplat\u012bta metode, ko izmanto, lai nov\u0113rt\u0113tu termoplasta pl\u016bsmas \u012bpa\u0161\u012bbas.<\/p>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas indekss ir viegluma m\u0113rvien\u012bba, ar k\u0101du materi\u0101ls pl\u016bst, un to nosaka, izm\u0113rot izkaus\u0113ta polim\u0113ra ekstr\u016bzijas \u0101trumu caur kapil\u0101ro presformu noteiktos apst\u0101k\u013cos. Kaus\u0113juma pl\u016bsmas indeksa test\u0113\u0161anu parasti izmanto kvalit\u0101tes kontrolei ra\u017eo\u0161anas laik\u0101, k\u0101 ar\u012b p\u0113tniec\u012bbas un izstr\u0101des nol\u016bkos.<\/p>\n\n\n\n<p>Kaus\u0113\u0161anas pl\u016bsmas indeksa test\u0113\u0161ana sniedz daudz priek\u0161roc\u012bbu, tostarp iesp\u0113ju sal\u012bdzin\u0101t materi\u0101lus produktu izstr\u0101des vajadz\u012bb\u0101m, piem\u0113ram:<\/p>\n\n\n\n<p>Nov\u0113rt\u0113t jauno materi\u0101lu pieg\u0101d\u0101t\u0101ju paraugus<\/p>\n\n\n\n<p>Lai nov\u0113rt\u0113tu pl\u016bsmas \u012bpa\u0161\u012bbas vienk\u0101r\u0161iem ekstr\u016bzijas procesiem<\/p>\n\n\n\n<p>lai prognoz\u0113tu polim\u0113ra uzved\u012bbu noteikt\u0101m apstr\u0101des metod\u0113m.<\/p>\n\n\n\n<p>Lai veiktu \u0101trus sal\u012bdzin\u0101jumus kvalit\u0101tes un ra\u017eo\u0161anas kontrolei.<\/p>\n\n\n\n<p>Turkl\u0101t kaus\u0113\u0161anas pl\u016bsmas indeksa test\u0113\u0161anu var izmantot, lai p\u0101rbaud\u012btu materi\u0101la atbilst\u012bbu anal\u012bzes sertifik\u0101tam.<\/p>\n\n\n\n<p>ar\u012b, lai at\u0161\u0137irtu materi\u0101lu \u0161\u0137iras.<\/p>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas indeksa test\u0113\u0161ana ir b\u016btisks r\u012bks jebkuram uz\u0146\u0113mumam, kas str\u0101d\u0101 ar termoplastiskiem materi\u0101liem. T\u0101 k\u0101 ku\u0161anas pl\u016bsmas indeksa tests ir \u013coti univers\u0101ls, tam ir daudz priek\u0161roc\u012bbu, kas padara to noder\u012bgu da\u017e\u0101diem lietojumiem produktu izstr\u0101d\u0113, kvalit\u0101tes kontrol\u0113 un materi\u0101lu izv\u0113l\u0113.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>MFI testera lietojumi<\/strong><\/h2>\n\n\n\n<p>T\u0101d\u0113j\u0101di ar kaus\u0113\u0161anas pl\u016bsmas indeksa testu, kas paz\u012bstams ar\u012b k\u0101 kaus\u0113\u0161anas pl\u016bsmas \u0101trums (MFR), m\u0113ra izkaus\u0113ta polim\u0113ra ekstr\u016bzijas \u0101trumu caur noteikta diametra un garuma kapil\u0101ru. Ieg\u016bto v\u0113rt\u012bbu izsaka k\u0101 laika vien\u012bb\u0101 ekstrud\u0113t\u0101 polim\u0113ra svaru gramos 10 min\u016bt\u0113s.<\/p>\n\n\n\n<p>MFR v\u0113rt\u012bbas var sniegt noder\u012bgu inform\u0101ciju par materi\u0101la kvalit\u0101ti un atbilst\u012bbu. Piem\u0113ram, augsta MFR v\u0113rt\u012bba nor\u0101da uz materi\u0101lu ar lab\u0101m pl\u016bstam\u012bbas \u012bpa\u0161\u012bb\u0101m, savuk\u0101rt zema MFR v\u0113rt\u012bba nor\u0101da uz materi\u0101lu ar slikt\u0101m pl\u016bstam\u012bbas \u012bpa\u0161\u012bb\u0101m.<\/p>\n\n\n\n<p>Ku\u0161anas pl\u016bsmas indeksa testus bie\u017ei izmanto<\/p>\n\n\n\n<p><strong>plastmasas r\u016bpniec\u012bb\u0101, lai kontrol\u0113tu termoplastisko materi\u0101lu kvalit\u0101ti.<\/strong><\/p>\n\n\n\n<p>.<\/p>\n\n\n\n<p>Turkl\u0101t kaus\u0113\u0161anas pl\u016bsmas indeksa testus var izmantot ar\u012b cit\u0101s r\u016bpniec\u012bbas nozar\u0113s. Piem\u0113ram, kaus\u0113\u0161anas pl\u016bsmas indeksa testus var izmantot, lai noteiktu sve\u0137u vai termoplastisko materi\u0101lu atbilst\u012bbu katrai partijai. T\u0101p\u0113c kaus\u0113\u0161anas pl\u016bsmas indeksa testi ir svar\u012bgs kvalit\u0101tes kontroles instruments da\u017e\u0101d\u0101s nozar\u0113s.<\/p>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas indeksa testu izmanto, lai klasific\u0113tu termoplastiskos materi\u0101lus un noteiktu to kvalit\u0101ti.<\/p>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas indekss ir materi\u0101la pl\u016bsmas pretest\u012bbas r\u0101d\u012bt\u0101js, un t\u0101p\u0113c tas ir svar\u012bgs faktors daudzos r\u016bpnieciskos lietojumos. Piem\u0113ram, kaus\u0113\u0161anas pl\u016bsmas indeksu var izmantot, lai optimiz\u0113tu plastmasas apstr\u0101di.<\/p>\n\n\n\n<p>To var izmantot ar\u012b, lai nov\u0113rstu ra\u017eo\u0161anas probl\u0113mas un izv\u0113l\u0113tos materi\u0101lus konkr\u0113tiem galapat\u0113ri\u0146a veidiem.<\/p>\n\n\n\n<p>Turkl\u0101t kaus\u0113\u0161anas pl\u016bsmas indeksu var izmantot k\u0101 kvalit\u0101tes kontroles r\u012bku, lai nodro\u0161in\u0101tu materi\u0101lu partiju atbilst\u012bbu specifik\u0101cij\u0101m.<\/p>\n\n\n\n<p>T\u0101p\u0113c kaus\u0113\u0161anas pl\u016bsmas indeksa tests ir b\u016btisks instruments daudz\u0101s nozar\u0113s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Starptautiskie standarti kaus\u0113\u0161anas pl\u016bsmas indeksa test\u0113\u0161anai<\/strong><\/h2>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas indeksa testi, kas paz\u012bstami ar\u012b k\u0101 kaus\u0113juma pl\u016bsmas \u0101truma testi, ir b\u016btisks kvalit\u0101tes kontroles pas\u0101kums daudziem plastmasas ra\u017eot\u0101jiem. \u0160ie testi pal\u012bdz noteikt izkaus\u0113tas plastmasas pl\u016bstam\u012bbas \u012bpa\u0161\u012bbas, kas ir svar\u012bga inform\u0101cija gan izstr\u0101d\u0101juma projekt\u0113\u0161anai, gan ra\u017eo\u0161anai.<\/p>\n\n\n\n<p>Ku\u0161anas pl\u016bsmas indeksa test\u0113\u0161anai ir divi starptautiski standarti:&nbsp;<strong>ASTM D1238 un ISO 1133.<\/strong>&nbsp;\u0160ie standarti nosaka gan iek\u0101rtu specifik\u0101cijas, gan izmantojam\u0101s test\u0113\u0161anas metodes.<\/p>\n\n\n\n<p>Zi\u0146ojot par kaus\u0113\u0161anas pl\u016bsmas indeksa testa rezult\u0101tiem, ir svar\u012bgi nor\u0101d\u012bt izmantotos konkr\u0113tos testa parametrus, piem\u0113ram, svaru un temperat\u016bru. Tas ir t\u0101p\u0113c, ka da\u017e\u0101diem materi\u0101liem ir nepiecie\u0161ami at\u0161\u0137ir\u012bgi apst\u0101k\u013ci, lai ieg\u016btu prec\u012bzus r\u0101d\u012bjumus. Iev\u0113rojot \u0161os starptautiskos standartus, ra\u017eot\u0101ji var nodro\u0161in\u0101t, ka vi\u0146u veiktie kaus\u0113\u0161anas pl\u016bsmas indeksa testi ir uzticami un prec\u012bzi.<\/p>\n\n\n\n<p>\u0160ie standarti tiek izmantoti, jo tie nosaka gan iek\u0101rtu specifik\u0101cijas, gan test\u0113\u0161anas metodes. Ir svar\u012bgi zi\u0146ot par testa parametriem un rezult\u0101tiem. Tas ir oblig\u0101ti, jo da\u017e\u0101diem materi\u0101lu tipiem ir ieteicamas da\u017e\u0101das masas un temperat\u016bras.<\/p>\n\n\n\n<p>Ku\u0161anas pl\u016bsmas indeksu var noteikt ar\u012b, nov\u0113rojot svara izmai\u0146as laika gait\u0101, k\u0101 nor\u0101d\u012bts ISO 11357-3. \u0160aj\u0101 standart\u0101 ir defin\u0113ti tr\u012bs testu veidi: kaus\u0113\u0161anas pl\u016bsmas \u0101trums, kaus\u0113\u0161anas tilpuma \u0101trums un kaus\u0113\u0161anas masas \u0101trums, kas visi ir viena indeksa m\u0113r\u012bjumi. Galven\u0101s at\u0161\u0137ir\u012bbas ir izmantoto veid\u0146u specifik\u0101cij\u0101s un svar\u0101. Ku\u0161anas tilpuma \u0101truma testam izmanto ISO 11357-1, bet ku\u0161anas masas \u0101truma testam - ISO11357-2. Lai p\u0101rr\u0113\u0137in\u0101tu starp \u0161iem r\u0101d\u012bt\u0101jiem, j\u0101\u0146em v\u0113r\u0101 izzuvu\u0161ie polim\u0113ri, jo tie neiziet cauri presformas atv\u0113rumam.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Kopsavilkums<\/strong><\/h3>\n\n\n\n<p>Kaus\u0113juma pl\u016bsmas indeksa tests ir labi paz\u012bstams tests, ko izmanto termoplastisko materi\u0101lu kvalit\u0101tes noteik\u0161anai. To parasti izmanto ar\u012b, lai p\u0101rbaud\u012btu sve\u0137u vai termoplastisko materi\u0101lu konsistenci no partijas uz partiju. \u0160\u0101 testa pamat\u0101 ir princips, ka polim\u0113ra ku\u0161anas pl\u016bsmas \u0101trums ir saist\u012bts ar t\u0101 molekulmasu. Parasti polim\u0113riem ar lielu molekulmasu parasti ir liel\u0101ka pretest\u012bba pl\u016bst, bet polim\u0113riem ar maz\u0101ku molekulmasu - maz\u0101ka pretest\u012bba pl\u016bst. T\u0101p\u0113c \u0161is tests ir svar\u012bgs r\u012bks tiem, kas darbojas plastmasas r\u016bpniec\u012bb\u0101 un kam j\u0101nodro\u0161ina savu produktu kvalit\u0101te un viendab\u012bgums.<\/p>\n\n\n\n<p>M\u0113s atbalst\u0101m savus pirc\u0113jus ar ide\u0101li augstas kvalit\u0101tes produktiem un augsta l\u012bme\u0146a apkalpo\u0161anu. K\u013c\u016bstot par profesion\u0101lu ra\u017eot\u0101ju \u0161aj\u0101 jom\u0101, m\u0113s esam uzkr\u0101ju\u0161i bag\u0101t\u012bgu praktisko pieredzi.&nbsp;<a href=\"https:\/\/www.materialstests.com\/lv\/products\/mct-01-motorized-cap-torque-tester.html\/\">Pude\u013cu v\u0101ci\u0146u griezes momenta testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/mct-01-motorized-cap-torque-tester.html\/\">Griezes momenta test\u0113\u0161anas iek\u0101rta<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/btt-01-ball-tack-tester.html\/\">Bumbi\u0146u stiprin\u0101juma testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/fpt-01-friction-and-peel-tester.html\/\">Berzes un nolob\u012b\u0161anas testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/melt-flow-rate-tester.html\/\">Kaus\u0113juma pl\u016bsmas \u0101truma testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/wtt-wall-thickness-tester.html\/\">Sienas biezuma testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/tt-01-torque-tester.html\/\">Elektroniskais griezes momenta testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/tst-01-tensile-tester.html\/\">Stiepes testera ra\u017eot\u0101js<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/texture-analyzer.html\/\">Tekst\u016bras analizators<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/sld-01-elmendorf-tear-tester.html\/\">Elmendorfas asaru testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/pit-01-film-pendulum-impact-tester.html\/\">Pl\u0113ves sv\u0101rsta trieciena testeris<\/a>,<a href=\"https:\/\/www.materialstests.com\/lv\/products\/per-01-bottle-perpendicularity-tester.html\/\">Pudeles perpendikularit\u0101tes testeris<\/a>&nbsp;ra\u017eo\u0161ana un vad\u012bba<\/p>","protected":false},"excerpt":{"rendered":"<p>K\u0101 izm\u0113r\u012bt ku\u0161anas pl\u016bsmas indeksu un k\u0101p\u0113c ir svar\u012bgs MFI testeris? Ku\u0161anas pl\u016bsmas indekss (MFI) ir polim\u0113ra masas m\u0113r\u012bjums, kas noteikt\u0101 temperat\u016br\u0101 un spiedien\u0101 izpl\u016bst caur kapil\u0101ru izm\u0113r\u012bt\u0101 laika period\u0101. Ku\u0161anas pl\u016bsmas indeksu parasti izmanto, lai izm\u0113r\u012btu kaus\u0113\u0161anas pl\u016bsmas \u0101trumu (MFR) [...].<\/p>","protected":false},"author":3,"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-1048","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts\/1048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/comments?post=1048"}],"version-history":[{"count":0,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/posts\/1048\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/media?parent=1048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/categories?post=1048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.materialstests.com\/lv\/wp-json\/wp\/v2\/tags?post=1048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}