Product Description
Product Name: Boric acid
Purity: 95% ,98%,99%, 99.5%,99.9%
MF: H3BO3
Melting point: 169 °C
Boiling point: 300 °C
Relative molecular mass: 61.83
Appearance:white crystalline powder or flake triclinic axis, shiny crystals, a creamy feel, no odor.Soluble in water, alcohol, glycerol, and essential oils in a weak acid solution. Large for the glass (optical glass, acid glass, heat resistant glass, glass fiber insulation materials) industry, to improve the heat glass, transparent performance, increase mechanical strength, shorten the melting time.
Boric acid Specifications:
(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 |
SO42- (%) ≤ | 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 |