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Composition of hot melt butyl adhesive material
Release time:
2025-07-17
Hot melt butyl rubber is a hot melt sealing material made from butyl rubber as the base material, supplemented with reinforcing agents, thickening agents, and thermoplastic resins.
Hot melt butyl rubber is a hot melt sealing material made from butyl rubber as the base material, supplemented with reinforcing agents, thickening agents, and thermoplastic resins. Its uniqueness lies in the thermal sensitivity of butyl rubber - it softens but does not melt after heating, and recovers high elasticity after cooling, making it a core material in the field of hollow glass sealing. In a typical formula, butyl rubber (such as PB402) accounts for 40% -60%, thickening agents (such as EVA and random polypropylene) account for 20% -30%, and reinforcing agents (such as carbon black) account for 10% -20%. Performance optimization is achieved through melt blending technology.
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