Two-component polyurethane fire door adhesive is a foaming-cure bonding system engineered specifically for UL10B/UL10C and EN 1634-1 rated fire door assemblies. The adhesive bonds fire-resistant core materials (rock wool, ceramic fibre, glass wool, perlite board) to steel or wood door skins, forming a bond that does not melt, drip or produce toxic fumes at temperatures up to 200 degrees C. Foaming expansion during cure fills manufacturing gaps and voids that would otherwise create fire penetration paths, making it the standard adhesive technology for fire-rated door manufacturing lines worldwide.
Polyurethane Fire Door Adhesive
Two-component polyurethane adhesive engineered for UL10B/UL10C fire doors and composite insulation panels. Foaming cure fills gaps completely, forming non-melting bonds rated to 200 °C. Compatible with rock wool, ceramic wool, glass wool and EPS substrates. MOQ 500 kg, 15-day delivery, ISO 9001 certified.
Technical Specifications
| Type | Polyurethane + isocyanate copolymer |
| Appearance | Brown viscous liquid |
| Application | Manual smear |
| After Cure | Foaming, non-melting, insoluble |
| Temperature Resistance | High and low temperature resistant |
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Key Features
- Foaming after cure fills gaps completely
- Non-melting, insoluble bond for fire safety
- Compatible with rock wool, ceramic wool, glass wool, EPS
- Metal-to-metal bonding capability
Applications
- Fire doors
- Security doors
- Insulation panels
- Composite panel assembly
Frequently Asked Questions
What is the Polyurethane Fire Door Adhesive used for?
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Does the Polyurethane Fire Door Adhesive come with certifications?
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What fire rating standards does this adhesive support?
Can this adhesive bond rock wool and ceramic fibre insulation?
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