... insulativity,stability and thermoplasticity.Apparent density is 0.42-0.62 g/ml.Not dissoluble in water,alcohol and gas.In ether ... could be solved and expanded. 3.Specifications : Type: SG5Viscosity, ml/g(or K value) 118-107 (68-66)Volatiles content %, ≤0 ... .40Apparent density g/ml≥0.42Residual 0.25mm mesh ≤ 0.063mm mesh ≥ 2 ...