| Items | Specification |
| Appearance | 20~30 Mesh White Powder |
| Purity | ≥99.5% |
| B2O3 | ≥48.0% |
| Boron | ≥15% |
| Na2SO4 | ≤0.20% |
| Fe | ≤0.002% |
| Water Insoluble | ≤0.04% |
Borax Pentahydrate
+ Free ShippingEnglish name: Borax Pentahydrate
Other Names: Sodium Tetraborate
CAS No: 1303-96-4
EINECS No: 215-540-4
MF: Na2B4O7.10H2O
Molecular weight: 381.37
Appearance: Colorless translucent crystals
Certificate : COA
Application : Fertilize Glass and porcelain enamel industry






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