Item | specification for 95% | specification for 99.9% |
Borax decahydrate | ≥95% | ≥99.9% |
B2O3 | ≥36.47% | ≥37-38% |
Na2O | ≥16.47% | ≥16-17% |
Na2CO3 | ≤0.2% | ≤0.1% |
Chloride(NaCl) | ≤0.5% | ≤0.03% |
Iron(Fe) | ≤0.005% | ≤0.002% |
Water insoluble | ≤0.04% | ≤0.04% |
Bulk density | ≥1 | ≥1 |
FEATURES
1> water insoluble
2> Pro-environment
3> Insect-proofing
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