... point ≥ 118 ° C, insoluble in water, ethanol, soluble in hot organic solvents and acids. In case of cold jelly heating dissolved ... plastic specific level; main dispersing agent, heat stabilizer used in the petrochemical industry, production of polyethylene, polystyrene, polyvinyl ... effective lubricant, but also, more importantly, as a valid color powder in the melt can color degradation can be avoided ...