Cov khoom siv PA66: 1, muaj cov rwb thaiv tsev zoo thiab cov khoom siv hluav taws xob, kev siv kev nyab xeeb thiab kev nyab xeeb.2, muaj kev tiv thaiv zoo thaum tshav kub kub, nplaim retardant.
Nickel plating txheej txheem: txhim kho qhov hnav tsis kam ntawm cov khoom nto, corrosion kuj.
Dav siv nyob rau hauv lub zog cia, roj teeb, lub thawv ntim khoom, cov tshuab thiab cov cuab yeej siv siab, thiab lwm yam xwm txheej.