{"id":3268,"date":"2026-04-22T08:44:19","date_gmt":"2026-04-22T08:44:19","guid":{"rendered":"https:\/\/www.materialstests.com\/?post_type=application&#038;p=3268"},"modified":"2026-04-23T02:13:48","modified_gmt":"2026-04-23T02:13:48","slug":"astm-d2732","status":"publish","type":"application","link":"https:\/\/www.materialstests.com\/hu\/application\/astm-d2732.html","title":{"rendered":"ASTM D2732"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Az ASTM D2732 \u00e9s a film teljes\u00edtm\u00e9ny\u00e9ben bet\u00f6lt\u00f6tt szerep\u00e9nek meg\u00e9rt\u00e9se<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>ASTM D2732<\/strong> szabv\u00e1nyos\u00edtott m\u00f3dszert hat\u00e1roz meg a <em>korl\u00e1tlan line\u00e1ris h\u0151zsugorod\u00e1s<\/em> \u22640,76 mm vastags\u00e1g\u00fa m\u0171anyag f\u00f3li\u00e1k \u00e9s f\u00f3lialapok. Ez a m\u00f3dszer kritikus szerepet j\u00e1tszik annak \u00e9rt\u00e9kel\u00e9s\u00e9ben, hogy a f\u00f3li\u00e1k hogyan viselkednek h\u0151hat\u00e1s alatt - ami l\u00e9nyeges param\u00e9ter a csomagol\u00e1si, orvosi \u00e9s ipari alkalmaz\u00e1sokban.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A f\u00f3liagy\u00e1rt\u00e1s sor\u00e1n a gy\u00e1rt\u00f3k gyakran bels\u0151 fesz\u00fclts\u00e9geket vezetnek be a ny\u00fajt\u00e1si vagy orient\u00e1ci\u00f3s folyamatok r\u00e9v\u00e9n. Amikor a f\u00f3li\u00e1t megemelt h\u0151m\u00e9rs\u00e9kletnek teszik ki, ezek a fesz\u00fclts\u00e9gek felszabadulnak, \u00e9s m\u00e9retbeli zsugorod\u00e1st okoznak. Az ASTM D2732 szabv\u00e1ny ellen\u0151rz\u00f6tt keretet biztos\u00edt e viselked\u00e9s pontos sz\u00e1mszer\u0171s\u00edt\u00e9s\u00e9hez.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ezek az adatok lehet\u0151v\u00e9 teszik a m\u00e9rn\u00f6k\u00f6k \u00e9s a min\u0151s\u00e9gellen\u0151rz\u0151 csapatok sz\u00e1m\u00e1ra, hogy megj\u00f3solj\u00e1k a val\u00f3s termikus k\u00f6r\u00fclm\u00e9nyek k\u00f6z\u00f6tti teljes\u00edtm\u00e9nyt, biztos\u00edtva, hogy az anyagok deform\u00e1ci\u00f3, meghib\u00e1sod\u00e1s vagy t\u00f6m\u00edt\u00e9si probl\u00e9m\u00e1k n\u00e9lk\u00fcl megfeleljenek az alkalmaz\u00e1si k\u00f6vetelm\u00e9nyeknek.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Zsugorod\u00e1svizsg\u00e1lat \u00e9s zsugorod\u00e1si filmek tesztel\u0151je<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Zsugorod\u00e1svizsg\u00e1lat<\/strong> az ASTM D2732 szabv\u00e1ny szerint a filmmint\u00e1k meleg\u00edtett foly\u00e9kony k\u00f6zegbe val\u00f3 mer\u00edt\u00e9s\u00e9t jelenti a m\u00e9retv\u00e1ltoz\u00e1sok megfigyel\u00e9se c\u00e9lj\u00e1b\u00f3l. Megb\u00edzhat\u00f3 <strong>zsugorod\u00e1si filmek tesztel\u0151je<\/strong> k\u00f6vetkezetes h\u0151m\u00e9rs\u00e9klet-szab\u00e1lyoz\u00e1st \u00e9s megism\u00e9telhet\u0151 eredm\u00e9nyeket biztos\u00edt.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A legfontosabb tesztel\u00e9si elvek a k\u00f6vetkez\u0151k:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Korl\u00e1tlan \u00e1llapot:<\/strong> A mintadarabnak k\u00fcls\u0151 er\u0151k n\u00e9lk\u00fcl, szabadon kell zsugorodnia.<\/li>\n\n\n\n<li><strong>Termikus egyens\u00faly:<\/strong> A mint\u00e1nak stabil h\u0151m\u00e9rs\u00e9kletet kell el\u00e9rnie a mer\u00edt\u00e9s sor\u00e1n<\/li>\n\n\n\n<li><strong>Ir\u00e1ny\u00edtott m\u00e9r\u00e9s:<\/strong> A zsugorod\u00e1st mind a g\u00e9pi ir\u00e1nyban (MD), mind a keresztir\u00e1nyban (TD) r\u00f6gz\u00edtik.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Egy olyan speci\u00e1lis eszk\u00f6z, mint a <strong>FST-01 Filmmentes zsugorod\u00e1si teszter<\/strong> jelent\u0151sen jav\u00edtja a vizsg\u00e1lati pontoss\u00e1got. A k\u00f6vetkez\u0151kkel rendelkezik:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PID h\u0151m\u00e9rs\u00e9klet-szab\u00e1lyoz\u00e1s (\u00b10,3\u00b0C)<\/strong> stabil f\u0171t\u00e9s<\/li>\n\n\n\n<li>Egyenletes folyad\u00e9kk\u00f6zeg a h\u0151m\u00e9rs\u00e9kleti gradiensek kik\u00fcsz\u00f6b\u00f6l\u00e9s\u00e9re<\/li>\n\n\n\n<li>Szabadon zsugorod\u00f3 tart\u00f3k a mechanikai k\u00e9nyszerek elker\u00fcl\u00e9se \u00e9rdek\u00e9ben<\/li>\n\n\n\n<li>Pontos id\u0151z\u00edt\u00e9s a k\u00f6vetkezetes tart\u00f3zkod\u00e1si id\u0151szakokhoz<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ezek a jellemz\u0151k k\u00f6zvetlen\u00fcl megfelelnek az ASTM D2732 k\u00f6vetelm\u00e9nyeinek, \u00e9s cs\u00f6kkentik a kezel\u0151 \u00e1ltal okozott v\u00e1ltoz\u00e9konys\u00e1got.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Az ASTM D2732 szabv\u00e1nyon alapul\u00f3 vizsg\u00e1lati elj\u00e1r\u00e1s<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A megfelel\u0151s\u00e9g \u00e9s a megism\u00e9telhet\u0151s\u00e9g biztos\u00edt\u00e1sa \u00e9rdek\u00e9ben a laborat\u00f3riumok struktur\u00e1lt elj\u00e1r\u00e1st k\u00f6vetnek:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Minta el\u0151k\u00e9sz\u00edt\u00e9se<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00e1gott p\u00e9ld\u00e1nyok <strong>100 mm \u00d7 100 mm<\/strong><\/li>\n\n\n\n<li>Vizsg\u00e1lati h\u0151m\u00e9rs\u00e9kletenk\u00e9nt legal\u00e1bb k\u00e9t mint\u00e1t kell k\u00e9sz\u00edteni<\/li>\n\n\n\n<li>Sz\u00fcks\u00e9g eset\u00e9n jel\u00f6lje meg az orient\u00e1ci\u00f3t (MD\/TD)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Tesztel\u00e9si l\u00e9p\u00e9sek<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Helyezze a mint\u00e1t egy szabad zsugorod\u00e1s\u00fa tart\u00f3ba.<\/li>\n\n\n\n<li>A mer\u00edt\u00e9s el\u0151tti f\u00fcrd\u0151h\u0151m\u00e9rs\u00e9klet r\u00f6gz\u00edt\u00e9se<\/li>\n\n\n\n<li>A mintadarabot kb. <strong>10 m\u00e1sodperc<\/strong><\/li>\n\n\n\n<li>Vegye ki, \u00e9s azonnal h\u0171tse le szobah\u0151m\u00e9rs\u00e9klet\u0171 folyad\u00e9kban.<\/li>\n\n\n\n<li>M\u00e9rje meg a v\u00e9gleges m\u00e9reteket a stabiliz\u00e1l\u00e1s ut\u00e1n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Fontos megjegyz\u00e9sek<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ker\u00fclje a minta el\u0151meleg\u00edt\u00e9s\u00e9t a bemer\u00edt\u00e9s el\u0151tt.<\/li>\n\n\n\n<li>Megakad\u00e1lyozza a minta ny\u00fal\u00e1s\u00e1t a kezel\u00e9s sor\u00e1n<\/li>\n\n\n\n<li>Sz\u00fcks\u00e9g eset\u00e9n \u00e1ll\u00edtsa be a mer\u00edt\u00e9si id\u0151t a vastagabb anyagok eset\u00e9ben.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">A zsugorod\u00e1s eredm\u00e9nyeinek kisz\u00e1m\u00edt\u00e1sa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Az ASTM D2732 a zsugorod\u00e1st a m\u00e9retv\u00e1ltoz\u00e1s sz\u00e1zal\u00e9k\u00e1ban fejezi ki:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><math xmlns=\"http:\/\/www.w3.org\/1998\/Math\/MathML\"><semantics><mrow><mtext>Zsugorod\u00e1s (%)<\/mtext><mo>=<\/mo><mfrac><mrow><msub><mi>L<\/mi><mn>0<\/mn><\/msub><mo>\u2212<\/mo><msub><mi>L<\/mi><mi>f<\/mi><\/msub><\/mrow><msub><mi>L<\/mi><mn>0<\/mn><\/msub><\/mfrac><mo>\u00d7<\/mo><mn>100<\/mn><\/mrow><annotation encoding=\"application\/x-tex\">\\text{zsugorod\u00e1s (\\%)} = \\frac{L_0 - L_f}{L_0} \\times 100<\/annotation><\/semantics><\/math>Zsugorod\u00e1s (%)=L0L0-Lf\u00d7100<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hol:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>L\u2080<\/strong> = Eredeti hossz (jellemz\u0151en 100 mm)<\/li>\n\n\n\n<li><strong>L_f<\/strong> = V\u00e9gs\u0151 hossz zsugorod\u00e1s ut\u00e1n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ez a sz\u00e1m\u00edt\u00e1s egy\u00e9rtelm\u0171, mennyis\u00e9gi m\u00e9r\u0151sz\u00e1mot biztos\u00edt az anyag h\u0151terhel\u00e9s alatti viselked\u00e9s\u00e9r\u0151l.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Az ASTM D2732 jelent\u0151s\u00e9ge a min\u0151s\u00e9gellen\u0151rz\u00e9sben<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Az ASTM D2732 haszn\u00e1lhat\u00f3 betekint\u00e9st ny\u00fajt a k\u00f6vetkez\u0151kbe:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Feldolgoz\u00e1si konzisztencia:<\/strong> A f\u00f3lia orient\u00e1ci\u00f3j\u00e1nak \u00e9s a gy\u00e1rt\u00e1si k\u00f6r\u00fclm\u00e9nyeknek az elt\u00e9r\u00e9seinek felismer\u00e9se<\/li>\n\n\n\n<li><strong>H\u0151stabilit\u00e1s:<\/strong> A polimer \u00e1tmenetekhez kapcsol\u00f3d\u00f3 zsugorod\u00e1si k\u00fcsz\u00f6b\u00e9rt\u00e9kek azonos\u00edt\u00e1sa<\/li>\n\n\n\n<li><strong>V\u00e9gfelhaszn\u00e1l\u00f3i teljes\u00edtm\u00e9ny:<\/strong> A csomagol\u00e1s integrit\u00e1s\u00e1nak biztos\u00edt\u00e1sa, k\u00fcl\u00f6n\u00f6sen a h\u0151re zsugorod\u00f3 alkalmaz\u00e1sokn\u00e1l<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A t\u00falzott zsugorod\u00e1s p\u00e9ld\u00e1ul a k\u00f6vetkez\u0151kh\u00f6z vezethet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A csomagol\u00e1s torz megjelen\u00e9se<\/li>\n\n\n\n<li>Az orvosi tasakok z\u00e1r\u00e1si hib\u00e1ja<\/li>\n\n\n\n<li>Mechanikai fesz\u00fclts\u00e9g lamin\u00e1lt szerkezetekben<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A t\u00f6bb h\u0151m\u00e9rs\u00e9kleten v\u00e9gzett tesztel\u00e9ssel a m\u00e9rn\u00f6k\u00f6k meg\u00e1llap\u00edthatnak egy <strong>zsugorod\u00e1si profilg\u00f6rbe<\/strong>, lehet\u0151v\u00e9 t\u00e9ve a pontos anyagv\u00e1laszt\u00e1st \u00e9s a folyamat optimaliz\u00e1l\u00e1s\u00e1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mi\u00e9rt v\u00e1lassza a fejlett tesztel\u00e9si megold\u00e1sokat, mint az FST-01<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gyakorlati laborat\u00f3riumi k\u00f6rnyezetben a k\u00e9zi m\u00f3dszerek gyakran k\u00f6vetkezetlens\u00e9geket okoznak. A <strong>FST-01 <a href=\"https:\/\/www.materialstests.com\/hu\/products\/fst-01-film-free-shrink-tester.html\/\" target=\"_blank\" data-type=\"products\" data-id=\"3069\" rel=\"noreferrer noopener\">Filmmentes zsugorod\u00e1si tesztel\u0151<\/a><\/strong> ezekkel a kih\u00edv\u00e1sokkal foglalkozik:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Megism\u00e9telhet\u0151 f\u0171t\u00e9si felt\u00e9telek<\/strong> a t\u00e9telek k\u00f6z\u00f6tt<\/li>\n\n\n\n<li><strong>Cs\u00f6kkentett emberi hiba<\/strong> az id\u0151z\u00edt\u00e9s \u00e9s a kezel\u00e9s ter\u00e9n<\/li>\n\n\n\n<li><strong>Fokozott biztons\u00e1g<\/strong> z\u00e1rt olajf\u00fcrd\u0151s rendszerekkel<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A csomagol\u00f3anyag-, gy\u00f3gyszer- \u00e9s elektronikai gy\u00e1rt\u00f3k sz\u00e1m\u00e1ra az ilyen m\u0171szerek biztos\u00edtj\u00e1k az ASTM D2732 szabv\u00e1nynak val\u00f3 megfelel\u00e9st, mik\u00f6zben jav\u00edtj\u00e1k az \u00e1tereszt\u0151k\u00e9pess\u00e9get \u00e9s a megb\u00edzhat\u00f3s\u00e1got.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Az ASTM D2732 vizsg\u00e1lat alkalmaz\u00e1sai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Az ipar\u00e1gak az ASTM D2732 szabv\u00e1nyra t\u00e1maszkodnak:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rugalmas csomagol\u00f3f\u00f3li\u00e1k (PET, PE, PVC)<\/li>\n\n\n\n<li>Orvosi \u00e9s gy\u00f3gyszer\u00e9szeti sterilz\u00e1rak<\/li>\n\n\n\n<li>H\u0151zsugor\u00edt\u00f3 h\u00fcvelyek \u00e9s cs\u00f6vek<\/li>\n\n\n\n<li>Ipari stretch \u00e9s csomagol\u00f3 f\u00f3li\u00e1k<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A zsugorod\u00e1si viselked\u00e9s minden esetben k\u00f6zvetlen\u00fcl befoly\u00e1solja a term\u00e9k funkcionalit\u00e1s\u00e1t \u00e9s vizu\u00e1lis min\u0151s\u00e9g\u00e9t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">GYIK<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. Mit m\u00e9r az ASTM D2732?<\/strong><br>A k\u00e9sz\u00fcl\u00e9k a m\u0171anyag f\u00f3li\u00e1k korl\u00e1tlan line\u00e1ris h\u0151zsugorod\u00e1s\u00e1t m\u00e9ri, amikor szab\u00e1lyozott h\u0151hat\u00e1snak vannak kit\u00e9ve.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. Mi\u00e9rt fontos a zsugorod\u00e1s vizsg\u00e1lata a csomagol\u00f3f\u00f3li\u00e1k eset\u00e9ben?<\/strong><br>Biztos\u00edtja a f\u00f3li\u00e1k m\u00e9retstabilit\u00e1s\u00e1t \u00e9s a t\u00f6m\u00edt\u00e9s integrit\u00e1s\u00e1t a feldolgoz\u00e1s vagy a v\u00e9gfelhaszn\u00e1l\u00e1s sor\u00e1n t\u00f6rt\u00e9n\u0151 h\u0151hat\u00e1s sor\u00e1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Mi az ASTM D2732 szabv\u00e1nyos mintam\u00e9rete?<\/strong><br>A szabv\u00e1nyos m\u00e9ret 100 mm \u00d7 100 mm a pontos \u00e9s k\u00f6vetkezetes m\u00e9r\u00e9s \u00e9rdek\u00e9ben.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Mennyi ideig kell a mint\u00e1t belem\u00e1rtani?<\/strong><br>\u00c1ltal\u00e1ban 10 m\u00e1sodperc, de a vastagabb anyagokn\u00e1l sz\u00fcks\u00e9g lehet valid\u00e1l\u00e1sra a megfelel\u0151 h\u0151egyens\u00faly el\u00e9r\u00e9s\u00e9hez.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. Milyen felszerel\u00e9s aj\u00e1nlott <a href=\"https:\/\/store.astm.org\/d2732-14r25.html\" target=\"_blank\" rel=\"noreferrer noopener\">ASTM D2732<\/a> tesztel\u00e9s?<\/strong><br>Az olyan speci\u00e1lis zsugorod\u00e1si f\u00f3lia tesztel\u0151, mint az FST-01, pontos h\u0151m\u00e9rs\u00e9klet-szab\u00e1lyoz\u00e1st \u00e9s megism\u00e9telhet\u0151 eredm\u00e9nyeket biztos\u00edt.<\/p>","protected":false},"excerpt":{"rendered":"<p>Az ASTM D2732 szabv\u00e1nyos\u00edtott m\u00f3dszert hat\u00e1roz meg a m\u0171anyag f\u00f3li\u00e1k korl\u00e1tlan termikus zsugorod\u00e1s\u00e1nak \u00e9rt\u00e9kel\u00e9s\u00e9re, a mint\u00e1k meleg\u00edtett k\u00f6zegbe val\u00f3 mer\u00edt\u00e9s\u00e9vel \u00e9s a m\u00e9retv\u00e1ltoz\u00e1s m\u00e9r\u00e9s\u00e9vel.<\/p>","protected":false},"featured_media":3270,"parent":0,"template":"","meta":{"_acf_changed":false},"standard":[1012],"class_list":["post-3268","application","type-application","status-publish","has-post-thumbnail","hentry","standard-astm"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/hu\/wp-json\/wp\/v2\/application\/3268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/hu\/wp-json\/wp\/v2\/application"}],"about":[{"href":"https:\/\/www.materialstests.com\/hu\/wp-json\/wp\/v2\/types\/application"}],"version-history":[{"count":2,"href":"https:\/\/www.materialstests.com\/hu\/wp-json\/wp\/v2\/application\/3268\/revisions"}],"predecessor-version":[{"id":3271,"href":"https:\/\/www.materialstests.com\/hu\/wp-json\/wp\/v2\/application\/3268\/revisions\/3271"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.materialstests.com\/hu\/wp-json\/wp\/v2\/media\/3270"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/hu\/wp-json\/wp\/v2\/media?parent=3268"}],"wp:term":[{"taxonomy":"standard","embeddable":true,"href":"https:\/\/www.materialstests.com\/hu\/wp-json\/wp\/v2\/standard?post=3268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}