... : NumberItem (PVC RESIN SG-7)Standard Grade1Mucosity (ml/g), Or K value87-95 (60-62)2Impurity number (Number <=)403Volatile ... content, % <=0.44Apparent density, g/ml >=0.455Remain(testing sieve ) ... 906Number of grain piece (number/400cm2, <=)507100g resin plasticizer absorbency (g, >=)148White degree(160℃ After 10min.), % >=70Usage:Good for ...