The raw material components of borosilicate glass include quartz sand, borax, boric acid, aluminum hydroxide, sodium chloride, calcium oxide, sodium oxide and polytetrafluoroethylene, the high borosilicate glass by weight, the raw material components include: quartz sand 100 parts, borax 6-10 parts, boric acid 5-9 parts, aluminum hydroxide 2-4 parts, sodium chloride 1-3 parts, calcium oxide 0.5-1 part, sodium oxide 4-7 parts, polytetrafluoroethylene 0.3-0.7 parts.
