Color index, number : 18 Hot alcoholInsolubile,% : 1.00 Application: 1. The plasticity and castability of heating, combined with its ability to absorb a large amount of infiltrated material, is of great value in the casting industry. 2. The lac resin is non-toxic. Based on the excellent characteristics listed above, the shellac resin is applied to alcohol paints, electrical insulating materials, printing inks, rubber fillers, and its use for oil and acid resistance. 3. Other industries: It has a wide range of important application value in many fields such as medicine, food, cosmetics, chemical industry, metallurgy, machinery, woodware, papermaking, electronics and military industry.