JIS Z 8901 Class 16 Calcium Heavy Technical Sheet

JIS Z 8901 Class 16 Calcium Carbonate (Heavy): A standardized test powder with a particle density of 2.7–2.8 g/cm³. Composed of 54–56% CaO, 0–3% MgO, and 0–4% SiO₂. Used for dust separator tests, filtration efficiency, and instrument calibration, adhering to JIS Z 8901 standards.