Lightweight Reliable Flame-Retardant Foam Solutions for Industrial Use. B2 Flame Retardant Grade: F-Grade material meets B2 standard for safe insulation in buildings and instruments. 90-Day Warranty Coverage: Replacement or refund for defects within 90 days, excluding improper storage. 24/7 Technical Support: Round-the-clock consultation with 12-hour response and 24-hour solution time. Customization Options: Full customization available from samples, designs, or specific requirements. High Strength & Flexibility: Foamed beads offer high fusion, dimensional stability, and excellent mechanical strength. Fast Pre-Expansion Speed: Optimized for rapid expansion rates between 35 to 75 times for efficient production. ISO Management Certified: Certified under ISO9001, ISO45001, ISO14001, and ISO50001 standards. Free Sample Availability: Free 1 kg sample provided; buyer covers shipping costs.