Fire Barrier Putty Pads Soundproof Fireproof Adhesive Putty for Sockets Junction Boxes Wall Openings Building

Fire Barrier Putty Pads Soundproof Fireproof Adhesive Putty for Sockets Junction Boxes Wall Openings Building. Long Service Life: Designed for a 50-year service life with durable silicon rubber material. Fire & Smoke Protection: Blocks smoke, flames, sound, and airflow; rated for up to 4 hours fire resistance. Moldable & Reusable: Soft, non-setting formula allows easy hand shaping and re-service without tools. Strong Adhesion: Bonds firmly to concrete, metal, brick, and various enclosures without corrosion. Customizable Sizes: Available in standard sizes like 170x170mm or fully customized to requirements. Eco-Friendly & Safe: Non-toxic, water-resistant, and meets strict VOC and formaldehyde emission limits. Versatile Application: Ideal for AC holes, wall cracks, toilets, sewers, and electrical cabinet sealing.