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What are the main components of the glass fiber?
The main composition of silica, alumina and boron oxide and magnesium oxide, calcium oxide, sodium oxide, etc., according to the amount of alkali content, in the glass can be divided into non-alkali glass fiber (0% ~ 2% sodium oxide, aluminum borosilicate glass), the alkali glass fiber (8% ~ 12% sodium oxide, boron or boron sodium calcium silicate glass) and high alkali glass fiber (more than 13% sodium oxide, sodium calcium silicate glass).