China Boric Acid Powder and Chunk, Find details about China Boric Acid, Boric Acid Powder from Boric Acid Powder and Chunk
H3BO3)≥ | 98% | 99.5% | 99.9% | ||
Color | White | White | White | White | White |
Appearance | Granular | Powder | Granular | Powder | Powder |
Size | 2-4 mm | 60-80 mesh | 2-4 mm | 60-80 mesh | 60-80 mesh |
B (%) ≥ | 17±0.1 | 17±0.1 | 17.5±0.1 | 17.5±0.1 | 17.6±0.1 |
B2O3 (%) ≥ | 55.2±0.1 | 55.2±0.1 | 56.1±0.1 | 56.1±0.1 | 56.3±0.1 |
SO4 2- (%)≤ | 0.035 | 0.0005 | 0.0002 | ||
Cl - (%)≤ | 0.0018 | 0.0001 | 0.0001 | ||
Fe (%) ≤ | 0.0006 | 0.0002 | 0.0001 | ||
Heavy metals (Pb) % ≤ | 0.0008 | 0.0002 | 0.0001 | ||
Water insoluble (%) ≤ | 0.01 | 0.005 | 0.001 |