
2026 New FRP Manhole Cover 900mm Round Watertight SMC Manhole Cover D400 Anti-Corrosion Manhole Cover Lockable. 100% Waterproof Design: Unique rubber hollow design with EPDM material and double sealing rings ensures complete watertight performance. UV Resistance & No Fade: Exclusive recipe prevents fading for more than 3 years, solving the traditional SMC product fading problem. D400 Loading Capacity: Meets EN124 D400 standard, suitable for road traffic safety and heavy load environments. Long Service Life: Designed for over 30 years of service with anti-corrosion and UV-resistant properties. Anti-Slip Surface: Special surface design enhances safety and prevents slipping in various weather conditions. OEM/ODM Customization: Flexible customization options available including color, loading class, and usage scenarios. Lightweight Composite: Structural design and material composition provide excellent lightweight characteristics for easy installation.