CPVC- C5122-O INDEX: NO ITEM UNIT STANDARD TEST METHOD 1 Appearance Powder 2 Specific Gravity g/cm 3 1.47-1.49 GB/T1033.1-2008 3 Performance density g/ml 0.60-0.62 GB/T20022-2005 4 Volatile content wt % 0.3 GB/T2914-2008 5 Vicat Softening T