Anhydrous sodium tetraborate(Anbydrous Borax)
| The inspection items |
Test indicators |
The inspection results |
| Appearance |
White crystal particles |
White crystal particles |
| Anbydrous Borax (Na2B4O7 ) |
≥99.50% |
99.65% |
| Sodium Oxide (Na2O ) |
≥31% |
31.16% |
| Boron Oxied(B2O3 ) |
≥68% |
68.24% |
| lron(Fe) |
≤18ppm |
0.0016% |
| Water insoluble matter |
≤920ppm |
0.060% |
| Sulfate(SO4 ) |
≤135ppm |
0.011% |
| Chloride(Cl) |
≤70ppm |
0.006% |
| moisture content |
≤1 % |
0.8% |
| Average e particle size h Mesh number |
40-60 |
| The inspection items |
Test indicators |
The inspection results |
| Appearance |
White powder |
White powder |
| Anbydrous Borax (Na2B4O7 ) |
≥95% |
95.24% |
| Sodium Oxide (Na2O ) |
≥31% |
31.05 |
| Boron Oxied(B2O3 ) |
≥68% |
68.11 |
| Sodium Carbonate(Na2CO3 ) |
≤0.4% |
0.30% |
| Water insoluble matter |
≤0.06% |
0.055% |
| Sulfate(SO4 ) |
≤0.4% |
0.24% |
| Chloride(Cl) |
≤0.03% |
0.012% |
| moisture content |
≤0.5% |
0.45% |
| lron(Fe) |
≤0.005% |
0.0047% |
| Average e particle size h Mesh number |
40-60 |
For customer reference only.
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