Engineering plastics muaj cov khoom zoo heev, muaj zog rigidity, tsis muaj creep, siab mechanical zog, zoo tshav kub, thiab zoo hluav taws xob rwb thaiv tsev.Lawv tuaj yeem siv tau ntev ntev hauv cov poj niam cov tshuaj lom neeg thiab lub cev ib puag ncig, thiab tuaj yeem hloov cov hlau ua cov khoom siv engineering.