B2 Fire Rated PU Expanding Foam Manual Type is an one-component, B2 fire class polyurethane foam. The foam will expand and cure by moisture in the air. It is fitted with a plastic adapted head for use with a foam application straw. B2 Fire Rated PU Expanding Foam with excellent adhesion to the working surface, good filling ability and meet fire safety requirements.Mainly used for installation, fixing and insulation of door and window frames; filling and sealing of gaps, joints, openings and cavities.
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