
Anti-Corrosion Graded Pipe Insulation Polyurethane/Polyisocyanurate Composite Sandwich Panel. B1 Fire Resistance: Meets ASTM standards with an oxygen index of 27.6 for superior fire safety. Low Thermal Conductivity: Thermal conductivity is 0.023 W/(m.k) ensuring high energy efficiency. Customizable Shapes: Professional design team available to customize shapes based on customer drawings. Low Water Absorption: Water absorption rate is only 3.9% with a 96.2% closed-cell ratio. High Compression Strength: Delivers 233 Mkpa compression strength for durable performance. Global Standards Compliance: Complies with ASTM C591 and CINI 2.7.01 standards for quality assurance. OEM and ODM Services: Full customization available from samples and designs with professional support. Fast Delivery Time: Typical lead time is 15-30 days after receiving advance payment.