Product Name | Borax Pentahydrate | |
Items | Indicators | Result |
(Na2B4O7·10H2O)% | ≥99.5% | 99.6% |
B | ≥14.9% | 15% |
(B2O3)% | ≥48% | 48.1% |
Na2O | ≥21.1%min | 21.2% |
Water-Insoluble matter | ≤0.02% | 0.01% |
SO42- | ≤0.004% | 0.004% |
Fe2O3 | ≤0.003% | 0.003% |
Heavy metal ( Pb) | ≤0.003% | 0.0008% |
Fe | ≤0.002% | 0.002% |
Cl- | ≤0.025% | 0.003% |