K45 Type: K3 Product Name : Lanpac Type K45 Physical Characteristics 8x6 表格 Type Packing Factor F(1/ft) Surface Area Surface Area (m^2/m^3) Void fraction % (Pcs/m^3) Number 2.3" 21 220 89 7060 3.5" 14 142 92.5 1765 ※Under conditions of “Random dumping”. for Plastic material.