... -Co colour scalemax1212Softening Point(R&B),°C min7878Acid Value,mgKOH/g min170170Tetrahydro resin acid, % ≥10.030.0~40.0Abietic acid,% ... 1.0Dehydroabietic acid, % max10.010.0Test of heat stability (200°C/2h) maxX XNote This series of products are refined from hydrogenated rosin ... melt adhesive and for the raw material of light-colored rosin resin. Specification of test of heat stability doesn't act as ...