进口硼酸
硼酸是一种无机物,为白色粉末状结晶或三斜轴面鳞片状光泽结晶,有滑腻手感,无臭味。溶于水、酒精、甘油、醚类及香精油中,水溶液呈弱酸性。大量用于玻璃(光学玻璃、耐酸玻璃、耐热玻璃、绝缘材料用玻璃纤维)工业,可以改善玻璃制品的耐热、透明性能,提高机械强度,缩短熔融时间。
FRACTION OF TOTAL MASS,% | FREE FOLLOWING WHITE CRYSTALS |
MAIN SUBSTANCE (H3BO3) | 101,0 |
BORIC ANHYDRIDE (B2O3) | 56,9 |
IRON(Fe) | 0,0001 |
SULFATES(SO42-) | 0,003 |
CHLORIDES(Cl) | 0,0001 |
HEAVY METAI(Pb) | 0,0001 |
CALCIUM(Ca) | 0,005max |
ARSENIC(As) | 0,0001max |
PHOSPHATES(PO43-) | 0,001max |
INSOLUBLES IN WATER RESIDUE ON SIEVE:0,400MM OR 40 MESH,% 0,063MM OR 230 MESH,%
|
0,005max 2,8 75,6
|
RESIDUE UNDER SIEVE:0,063 MM OR 230 MESH,% | 21,6 |