B2 Grade Factory Price Polyurethane Insulation Foam Manufacturer Spray PU Foam

B2 Grade Factory Price Polyurethane Insulation Foam Manufacturer Spray PU Foam. B2 Grade Fire Safety: Meets B2 grade fire resistance standards for building wall insulation applications. High Compressive Strength: Compressive strength reaches 235 kPa, ensuring structural stability under load. Fast Curing Process: Cream time 0-1s, Gel time 2-3s, and Rise time 4-6s for efficient construction. Strong Adhesion: Features strong adhesive force and seamless application for building walls. Long Service Life: Designed for long-term durability and dimensional stability in insulation systems. Flexible Customization: Offers full customization, minor customization, and flexible options from samples.