CPVC- C5107 INDEX: No. Item Unit Index/typical value Test Method 1 Appearance Powder 2 Specific Gravity g/cm3 1.46-1.50 GB/T1033.1-2008 3 Apparent density g/ml 0.60-0.64 GB/T20022-2005 4 Volatile content wt % 0.3 GB/T2914-2008 5 Vicat Softe