K7 型號: K7 品名: 雙星球型 K7 物性表 8x6 表格 Size(mm) Surface Area (m^2/m^3) Void Volume% Packing Number (pieces/m^3) Packing Density (kg/m^3) Dry Packing Factor (m^-1) 25 85 90 81200 81 28 50 48 93 11500 62 16 95 38 95 1800 45 12 ※Under conditions of “Random dumping”. (於不規則充填時) for Plastic material.