750Ml B2 Grade Fire Resistant Sealant Foam Polyurethane Pu Foam for Window and Door

Description:

Engineered as a high-performance polyurethane foam, this product complies with DIN 4102 B2 flame-retardant standards, achieving instant self-extinguishing once the ignition source is removed. Specialized for fireproof sealing applications, it effectively blocks smoke and gas leakage while delivering exceptional bonding, fixing, and thermal insulation performance. Ideal for filling gaps, sealing cracks, and soundproofing projects, it expands on application to form durable seals and is environmentally safe with zero CFC content.

Features & Benefits:

Self-extinguishing per DIN 4102 B2 standards
B2 fire rating (DIN 4102-1) for enhanced fire safety
Enhanced thermal insulation performance
Closed-cell foam structure: water absorption resistant, with high rigidity and structural stability
Superior installation efficiency for quick on-site operations
User-friendly application process
High expansion rate for comprehensive gap filling
Effective sound dampening and thermal insulation dual performance
Superior adhesive strength to various substrates
Strong dimensional stability (no shrinkage post-curing)

Application:

Installation and sealing of fireproof doors and windows
Fire and smoke retardant sealing for joints between walls, floors, and ceilings
Sealing of all openings and penetrations in roof construction systems
Gap filling and bonding for fire-rated applications such as pipe penetrations and cold storage insulation projects

Technical parameters: