
Super Flame Retardant Expandable Polystyrene Fs Grade for Thermal Insulation Material EPS Resin. Super Flame Retardant Grade: FS grade offers B1 flame retardant properties for superior safety. High Foaming Ratio: Achieves lighter weight foam particles in a single foaming process. Fast Foaming Speed: Ensures short curing time and reduced molding cycle for efficiency. Excellent Bonding Properties: Products feature strong bonding capabilities for durable assembly. Stable Material Properties: Smooth surface with no shrinkage or deformation issues. Wide Application Range: Suitable for packaging, marine buoys, furniture, and building materials. Original Factory Direct: Manufacturer offers high-quality products at competitive prices. Full Customization Available: Supports customization from samples, designs, and full customization.