Glass fiber mụrụ na 1930s.Ọ bụ ụdị inorganic na-abụghị ọla nke pyrophyllite, quartz ájá, limestone, dolomite, calcite, brucite, boric acid, soda ash na ihe ndị ọzọ na-emepụta kemịkalụ.Ọ nwere obere arọ, ike dị elu, elu na obere okpomọkụ na-eguzogide, corrosio ...
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