Kohlenwasserstoffharz

Hydrocarbon Resin C9 (Petroleum Resin) is made by C9 fraction. It is a transparent flake and granular solid with the color of light yellow to yellow. It has the properties of good solubility, mutual solubility, water resistance, insulation and very good chemical stability over acid and alkali, and good adhesive strength. The specification is as follows, Type C9 Softeing point: 100-140 C (as per customers' request) Color (sample: methylbenzene=1:1): 6#, 7#,8# or 10# (as per customers' request) Acid value (Mg. KOH/g): 0.3-1% Ash: 0.1% max