
Rigid High Grade Fireproof B1 Grade Polyol for Exterior Wall Panels. B1 Fireproof Grade: Polyol designed for exterior wall panels with B1 fire resistance classification. Metal Panel Application: Specifically formulated for production of metal faced continuous sandwich panels. High Compressive Strength: Delivers 0.12-0.20MPa compressive strength for durable insulation panels. Fast Lead Time: Production completed within 3-5 days after payment confirmation. OEM/ODM Services: Offers full customization, minor customization, and flexible customization options. High Cell Content: Features 93% close cell content for superior thermal insulation performance. Long Shelf Life: Isocyanate component offers one-year shelf life under proper storage conditions.