SMC Composite materials round manhole covers D400 with seal ring (clear open 800mm)

1. Against theft ---CHRS SMC manhole cover is non-metallic, non-conductive and non-sparking. It has no value of recycling, thus completely solving the problems caused by theft.

2. High load capacity ---Its main components are fibreglass and unsaturated resin. CHRS's existing moulds load capacity are A15, B125, C250, D400, E600.

3. Free design---Such as Color, Logo, Panel, Load and Dimension can be desigened according to the requirements of customer.

4. long service life --- Through the use of high-performance resin, glass fiber and a special production process recipe, make sure that the penetration of the resin in the fiberglass, greatly enhancing the internal bond strength, the product has a high fatigue strength in a given payload under the influence of frequency, its life is not less than 20 years.

5. Well sealed ---It can be used hermetically, and effectively prevent those poisonous gases leaking out from cesspool. Well sealed, no noise pollution or rebound.

6. good wear resistance---Reasonable structural design and the use of highly wear-resistant materials, effectively prevent the product key parts of wear and tear in the course of its overall use is better than cast iron products.

7. High and low temperature resistance ---Excellent insulator against heat ( from -40° C to 200° C)

8. Lighter weight and more competitive price--- the weight of composite manhole cover especially SMC manhole cover is lighter. The composite manhole cover is more convenient to transport, install and repair.

9. anti-static performance.

10. environmentally friendly products: 

no noise: not issue sound very harsh, especially in the residential environment;refined aesthetic appearance;production, unlike cast iron manhole cover that cause environmental pollution.