High Density Fireproof Subway Tunnel Heat Insulation Board for Public Transport

High Density Fireproof Subway Tunnel Heat Insulation Board for Public Transport. Long Service Life: Engineered for 50+ years of service life with minimal maintenance requirements. High Impact Resistance: Combination of rigid base material and flexible finish enhances impact resistance. Cost-Effective Installation: Modular design reduces project costs by up to 30% and construction timelines. Excellent Corrosion Resistance: Resists acids, alkalis, salt spray, and moisture with excellent durability. Customizable Options: Supports LOGO, color, appearance, and size customization on demand. Sound Insulation: Provides sound insulation of 20-40dB and sound absorption of 40%-80%. Anti-Static & Dust Repellent: Fluorocarbon coating reduces light pollution, provides anti-static protection, and repels dust.