Polybutene Cas 9003-28-5

Polybutene is commonly used as a plasticizer, an adhesive, a chemical intermediate for gasoline additives, and a sealant.
Adhesives, Sealants, and Asphalt Modification: Tackifying components for self-adhesive labels, pressure-sensitive adhesives, and butyl sealants; asphalt modifiers that enhance low-temperature toughness and crack resistance; additives for waterproofing membrane substrates.
Electrical Insulation: Impregnating oils for capacitors, insulating fillers for cables, and auxiliary insulating media for transformers; features stable dielectric properties and no wax precipitation.
Rubber and Plastic Modification Additives: Plasticizers and modifiers for PE, PP, EVA, and rubber; improves melt flow, toughness, and low-temperature crack resistance; used in stretch films and packaging film formulations.
Personal Care and Cosmetics: Thickening and film-forming agents for lipsticks, lip balms, and skincare creams; provides moisture retention and smooth film formation; compliant for use in color cosmetics.