Kayan yau da kullun na jigilar sarkar farantin karfe

Polyoxymethylene (POM), wanda kuma aka sani da acetal polyacetal, da polyformaldehyde, thermoplastic injiniyan injiniya ne da ake amfani dashi a daidaitattun sassan da ke buƙatar babban taurin kai, ƙananan juzu'i da ingantaccen kwanciyar hankali. Kamar yadda yake tare da sauran nau'ikan polymers na roba, kamfanoni daban-daban na sinadarai ne ke samar da shi tare da dabaru daban-daban kuma ana sayar da su iri-iri ta irin waɗannan sunaye kamar Delrin, Kocetal, Ultraform, Celcon, Ramtal, Duracon, Kepital, Polypenco, Tenac da Hostaform. POM yana da ƙarfin ƙarfinsa, taurinsa da tsayin daka zuwa -40 ° C. POM yana da farin ciki mai banƙyama saboda babban abun da ke ciki na crystalline amma ana iya samar da shi a cikin launuka iri-iri. POM yana da yawa na 1.410-1.420 g/cm3.

Polypropylene (PP), wanda kuma aka sani da polypropene, polymer thermoplastic ne da ake amfani dashi a aikace-aikace iri-iri. Ana samar da shi ta hanyar polymerization na ci gaban sarkar daga monomer propylene.Polypropylene na cikin rukunin polyolefins ne kuma wani yanki ne crystalline kuma maras iyakacin duniya. Kaddarorinsa sun yi kama da topolyethylene, amma yana da ɗan wuya kuma ya fi jure zafi. Farar abu ne mai karko kuma yana da babban juriya na sinadarai.

Nylon 6 (PA6) ko polycaprolactam polymer ne, musamman semirystalline polyamide. Ba kamar sauran nailan ba, nailan 6 ba polymer condensation ba ne, amma a maimakon haka an kafa shi ta hanyar polymerization na buɗewa; wannan ya sa ya zama lamari na musamman a cikin kwatancen tsakanin kwandon ruwa da ƙari na polymers.