
Must Have Easy Cutting Fire Rated Duct Insulation for Ventilation Shafts. Fire Safety Compliance: Meets GB 50016 and EN 1366 standards with 1-2 hours fire resistance rating. Customizable Thickness: Available in 25, 40, and 50 mm thickness with width customization options. Versatile Surface Options: Choose between plain white or silver single-sided aluminum foil facing. OEM and ODM Services: Full customization available including brand, surface, and design modifications. Free Sample Availability: Free samples up to 20x20mm (2 pieces) available, freight collect. Wide Application Range: Ideal for high-rise buildings, malls, hospitals, and subway fire exhaust systems. Easy Installation: Simple to install by wrapping and fixing with steel wire or bands.