Nws yog cov khoom siv uas tsis yog xim hlau nrog kev ua tau zoo. Nws muaj ntau yam zoo, xws li zoo rwb thaiv tsev, muaj zog tiv tshav kub, kev txhim kho corrosion zoo thiab siab txhua yam lub zog, tab sis qhov tsis zoo yog tias nws nkig thiab hnav tsis kam yog qhov tsis zoo. Nws yog tsim xya yam ntawm ore ntawm pyrophyllite, quartz xuab zeb, limestone, dolomite, borosilicate thiab borax ua cov khoom nyoos los ntawm high-temperature melting, kos duab, winding thiab nws. Qhov lub cheeb ntawm monofilament yog ob peb. Micron mus rau nees nkaum micrometers, sib npaug rau 1 / 20-1 / 5 ntawm ib qho plaub hau, txhua pob ntawm cov plaub hau strands muaj ntau pua lossis ntau txhiab tus monofilaments. Cov iav fiber feem ntau siv los ua cov khoom coj los siv rau hauv cov ntaub ntawv sib txuas, cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob rwb thaiv tsev, cov kab hluav taws xob thiab lwm cov teb ntawm kev lag luam hauv teb chaws.
Lub Kaum Hlis 27, 2017, Lub Tsev Haujlwm Saib Xyuas Kev Noj Qab Haus Huv Thoob Ntiaj Teb Kev Tshawb Nrhiav Kab Mob Cancer tau tshaj tawm cov npe thawj ntawm cov carcinogens, cov hom phiaj tshwj xeeb xws li E-iav thiab '475' fiberglass hauv cov npe ntawm Chav Kawm 2B carcinogens, cov ntawv fiberglass txuas ntxiv ntawm 3 hom carcinogens.
