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Bonding, Filling & Sealing

• Download TDS - Fire Retardant Foam
• Download MSDS - Fire Retardant Foam

Fire Retardant (B1) Expanding Foam

Larsen Fire Retardant Expanding foam is a one component polyurethane foam which is designed to make a fire retardant seal between ‘stony’ construction parts.

It is used to produce a high quality rigid polyurethane foam which bonds, seals and insulates most construction materials offering a fire rating of up to 80 minutes. The cured foam is resistant to most chemicals.

• Excellent seal against smoke and gas
• CFC free
• Excellent adhesion
• Tack free in 15min
• Flammability Class B1 (DIN4102)

Pack Size - 750 ml aerosol can

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