Kwatanta Kumfa Polyethylene Da Kumfa Polyurethane: Maɓalli Maɓalli

Menene Bambanci Tsakanin Polyurethane da Polyethylene Foam?

Ko da yake sunayensu sunyi daidai, polyurethane da polyethylene kumfa sun bambanta sosai a cikin abun da ke ciki da kuma aiki. Dukansu suna cikin babban dangin kayan kumfa, amma suna hidima daban-daban. Fahimtar waɗannan bambance-bambance yana da mahimmanci yayin zabar kumfa mai kyau-ko kuna zayyana ɓangaren samfur ko zaɓi marufi mai kariya.

Waɗannan su ne ainihin halaye na nau'ikan kumfa guda biyu da aka fi amfani da su.

Menene Polyurethane Foam?

Kumfa polyurethane abu ne mai laushi, ƙarancin ƙarancin ƙima wanda aka rarraba shi azaman kumfa mai buɗewa . Tsarin tantanin halitta ba shi da haɗin kai, yana barin iska ta ratsa cikin 'yanci. Wannan yana ba da kumfa mai sassauƙa, mai matsewa lokacin da aka matsa lamba. An san shi da kyakkyawan yanayin girgizawa da juriya na harshen wuta (gama da ka'idodin aminci na UL 94), kumfa polyurethane kuma yana da sauƙin yankewa da siffa, yana sa ya zama mai sauƙin gaske don aikace-aikace iri-iri.

An rarraba kumfa polyurethane gabaɗaya zuwa manyan nau'ikan biyu:

1.Ester-based polyurethane yana da tsarin tsarin kwayar halitta mafi kyau, yana ba shi ƙarfi, ƙarin jin daɗin tallafi da ƙarfin hali. Duk da yake yana ba da mafi girman ɗaukar girgiza, yana da matukar rauni ga danshi da lalacewar ruwa.

2.Ether-based polyurethane yana da tsarin kwayar halitta mafi girma, yana ba da damar yawan iska da juriya na danshi. Yana ba da laushi mai laushi, mai sauƙi idan aka kwatanta da polyurethane na tushen ester.

Ana amfani da polyurethane sosai a cikin kayan kwalliya da sauran aikace-aikace.

Menene Kumfa Polyethylene?

Polyethylene kumfa wani abu ne mai yawa, rufaffiyar sel wanda aka sani don ƙarfinsa da kyakkyawan juriya ga hydrolysis - ba zai ragu ba lokacin da aka fallasa shi ga ruwa ko danshi. Wannan dorewa yana fitowa ne daga tsarin rufaffiyar tantanin halitta, wanda ke hana wucewar iska da ruwa.

Kumfa na polyethylene da aka haɗe da faɗaɗawa suna da kyau don ɗaukar zafi da dampness na sauti. Hakanan ana iya lakafta waɗannan kumfa don haɓaka kariya daga zafi, iskar gas, da sauran abubuwa masu tsauri.

Wani bambance-bambancen, kumfa polyethylene beaded, abu ne mai wuya amma mara nauyi wanda ya kasance mai sassauƙa da sauƙin ƙirƙira. Ba shi da ƙura, mara wari, kuma mai insulator mai tasiri sosai, yana mai da shi musamman amfani a aikace-aikacen ruwa don duka tallafi da jin daɗi.

Yin amfani da polyurethane da polyethylene foams tare

A wasu aikace-aikacen, ana amfani da kumfa na polyurethane da polyethylene tare don haɓaka aiki. Misali na yau da kullun shine a cikin samfuran kwantar da hankali, inda tushen kumfa mai laushi na polyurethane ke shimfiɗa a ƙarƙashin saman kumfa polyethylene mai ƙarfi. Wannan haɗin gwiwa yana haifar da fage mai ƙarfi tare da ta'aziyya mai ma'ana da ɗaukar girgiza, yana mai da shi manufa don wurin zama, kayan wasan motsa jiki, da makamantan amfani.

Kuna buƙatar taimako don zaɓar kumfa polyurethane ko polyethylene daidai don aikin ku? Kwararrun masana kimiyyar kumfa a TOPSUN suna nan don taimakawa. Tuntube mu a yau!