... solved and expanded. 3.Specifications : Type: SG5Viscosity, ml/g(or K value) 118-107 (68-66)Volatiles content %, ≤0.40Apparent density ... . To avoid rain and dust. Store in dry and ventilative warehouse..This goods could not be air storage. Avoiding rain, snow ... , sunshine, throwing and other mechanical damage Suspension PVC Resin SG5 K value 67 for PVC pipe, profile