Borax
Inspection Items | Unit | Decahydrate | Pentahydrate | Anhydrous |
Purity | %≥ | 99.5 | 99.5 | 95.0 |
B2O3 | %≥ | 36.5 | 48.5 | 68.0 |
Boron | %≥ | 11.0 | 15.0 | 21.0 |
Na2O | %≥ | 16.5 | 21.5 | 30.0 |
Fe | %≥ | 20ppm | 20ppm | 5ppm |
Water-insoluble | %≥ | 0.04 | 0.04 | 0.01 |
Appearance | Crystalline Granular | Grey-white Powder | White Powder |