Itme Quality specification Test means Melting Point(Deg. C) 56-58 GB/T2539 Oil Content 0.5 max GB/T3554 Color 28-+30 GB/T3555 Light Stability 4 max SH/T0404 Needle Penetration (25Deg. C 100g) 15max GB/T4985 Odor 2 max SH/T0414 Mechanical Impurity & Moisture NO Water-solubility Acid & Base NO SH/T0407 Kinematic Viscosity (100Deg. C/mm2/s GB/T265. 25/50KGS Per bag.