Glass fiber aka haife shi a 1930s. Yana da wani irin inorganic ba na ƙarfe ba abu samar da pyrophyllite, ma'adini yashi, farar ƙasa, dolomite, calcite, brucite, boric acid, soda ash da sauran sinadaran da albarkatun kasa. Yana yana da haske nauyi, high ƙarfi, high da kuma low zafin jiki juriya, corrosio ...
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