... .3105°C Volatile,% ≤0.6Bulk density ,g/ml0.76Settling value,ml/g ≥2.2-2.4Average Grain(D50),μm ≤3.0 ... ,% ≤45μm test sieve,% ≤00Whiteness(R457),% ≥94Absorption oil Number(DOP),ml/100g ≤90AppearancePOWDER3. Main application:It is widely used as filler ... .73%18Bulk Density0.7-0.9g/ml19Tapped1.0-1.4g/ml Number ItemResults1Appearancecomplies2heavy metals<0.001%3whiteness94.00%4caco3 content98.550 ...