Catalog listing for thermosetting resin "Shellac" (product by Koyo Chemical Co.). Shellac is a "natural resin" obtained by refining a resinous substance secreted by an insect called the lac bug. Due to its excellent characteristics and safety, it is used in industrial applications as well as being permissible as a food additive.
MP GOKYO FOOD&CHEMICAL CO.,LTD
Shellac is obtained by extracting and refining the raw material "seedlac" through methods such as heat melting, alkaline extraction, and solvent extraction. At Koyo Chemical Co., we offer a variety of products, primarily "refined shellac" that has been purified to high quality using solvent extraction, and "white shellac" that has been bleached using alkaline extraction. We also have formulations of food additive grade products dissolved in ethanol. 【Features】 ■ It is a thermosetting resin unlike any other natural resin. ■ It can be easily thermally melted (it also has thermoplastic properties). ■ It readily dissolves in alcohol at room temperature and does not dissolve in other organic solvents. ■ It produces a smooth, glossy film with excellent adhesion and abrasion resistance. ■ Once thermoset, it becomes a tough film that is resistant to heat and solvents. ■ It can be easily dissolved in water. ■ It has excellent oil resistance. ■ It is an electrical insulator. 【Applications】 Paints, insulating varnishes, electrical adhesives (mica, tubes, coils, transformers), release agents (adhesive tape, masking tape, protective paper for synthetic resin sheets), adhesives, printing inks, tablet coatings (enteric), protective coatings for fruits, and polishing (chocolate, citrus fruits).
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