Geben |
Synthetic Resin and Plastics |
Gum RosinPerformance characteristic:It is a kind of nutural resin,mainly composed of various kinds of resin acids,it can be dissolved easily in many organic solvents,and has special chemical activity.Specification:GradeXWWWGNMKAppearanceTransparent solidColorslightly yellowpale yellowyellowdeep yellowyellow brownyellow redCorrespond to the standard glass color piece of rosinSoftening point(R&B),767574Acid numbermgKOH/g166165164Alcohol insoluble substance, %0.030.030.04Unsaponifiable matter, %556Ash, (%)0.020.030.04