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Molecular Structure:

Product description: Appearance:white powder Purity(B2O3) : ≥98.5% SiO2 : ≤0.30% Al2O3 : ≤0.20%; CaO : ≤0.05%; Fe2O3: ≤0.10% ; Na2O : ≤0.10%; H2O : ≤0.60%; Granularity(<246um): ≥95%