Hebei Mingda International Trading Co., Ltd.  

Product Name: 450*450mm Handle Square Resin Manhole Cover Certification: ISO, CE Shape: Square Material: SMC Carrying Capacity: 15 Kn Color: Black Manufacturing Technique: Film Pressure Under The High Temperature Application Field: Electrical Power System Trademark: Mingda Transport Package: Standard Export Package Specification: 450*450mm Origin: Hebei, China Product Description Composite Manhole CoverThe main material is one kind of Fiberglass / Glass-fiber Reinforced Polyester (FRP / GRP), with supplementary materials, such as: calcium power, poly-styrene, reinforcing steel bar and etc., the process is compression moulding method, using special steel mould, pressurized by hydraulic pressure machine with heat 180~220 Degree.More excellence for composite resin material:1. Against theft: the Regenerated Resin material is no use for 2nd time, thus no recycled if stolen it2. With good loading capacity, it has strength as steel products, but more tenacity, it will not brake into pieces3. Long service working life than iron products'4. Suitable for any temperature5. The unit weight is lighter than iron material's at the same size & loading6. Sealed better between the cover & frame than iron material product's, so, no noise pollution in using7. Various color for good decorative effect8. Good wearable performance, good corrosion resistance, good insulation and never rust. There is more using area than iron products.Application:Suitable for using in footway, pavements, carriageway, parking area as same as iron products', and more, in corroding areas such as: chemical factories, in watery area such as: park, garden, even under-water, etc.Products show