K305B
Compaction density (g/cm ³): 5.9-6.4; Loose density (g/cm ³): 2.8-3.6; Specific surface area (m ²/g): 0.4-0.55; Drying loss at 110 ℃ (%): ≤ 0.1; Burning loss 538 ℃ (%): ≤ 1.0

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Indicator Parameters
Solid density (g/cm3 5.9-6.4
Loose density (g/cm3 2.8-3.6
Specific surface area (m2/g) 0.4-0.55
Drying loss 110 ℃ (%) ≤0.1
Burning loss 538 ℃ (%) ≤1.0
Particle size distribution (Malvern 3000)
D10 (μm) ≥0.5
D50 (μm) 1.5-1.7
D100 (μm) ≤4.5