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Certificate of Analysis
Product Name: Zinc borate Catalogue Number: GR-167155
Batch Size: 800KG Lot Number: 20230105
CAS Number: 1332-07-6 Production Date:
Molecular Formula: 2ZnO·3B2O3·3.5H2O Report Date: 2023-01-05
Molecular Weight: 434.62 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Zno% 35.5-39.5 37.89
B₂O₃% 45.0~49.0 47.85
Surface water% <1.0 0.008
Particle size (325 mesh sieve residue)% <1.0 0.008
Loss of weight on burning% 13.5~15.5 13.85
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Date: Date: Date:
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