
Resistant Strong Alkalis Fatigue Resistance Rubber PTFE EPDM Manhole Seal Ring. Dual Material Composition: Combines High-Temperature Nitrile or EPDM core with PTFE envelope for superior chemical resistance. Leak-Proof Sealing: Engineered to create a tight, leak-proof seal for manholes, preventing infiltration and exfiltration. Customizable Design: Supports customization of LOGO, color, appearance, and size to meet specific client requirements. Durable PTFE Coating: Features a 0.5mm thick PTFE layer encapsulated on three sides for enhanced durability and corrosion resistance. Easy Installation: Lightweight and flexible design allows for quick and straightforward installation in existing systems. Cost-Effective Maintenance: Long-lasting performance reduces the need for frequent replacements and lowers overall maintenance costs. Versatile Applications: Ideal for wastewater management, stormwater systems, municipal projects, and industrial facilities.