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High-Density Fire Resistant Calcium Silicate Tunnel Panel for Railway Wall Protection. High Durability: Engineered for 50+ years of service life with minimal maintenance requirements. 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 performance. Customizable Options: Supports customization for LOGO, color, appearance, and size. Sound Insulation: Provides sound insulation of 20-40dB and sound absorption of 40%-80%. Anti-Static & Dust Repellent: Fluorocarbon coating reduces light pollution and repels dust effectively.