Industrial Grade (General Purpose): Industrial-grade purity, primarily used in modified alkyd resins, surfactants, rubber antioxidants, plasticizers, lubricants, metalworking fluids, etc. Refined Grade: Even purer composition, primarily used in cosmetics, high-grade detergents, dimer acids, and high-quality alkyd resins. Soap Grade: Raw material for soap making, used to produce soap, laundry soap, transparent soap, etc., with strong detergency.