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SMC Composite Manhole Trench Drain Grating Cover
Product description
Composite Manhole Chamber Details:
1. 4 panels are assembled with screws together, knock-down design make it easy for transportation and save 50% of the cost.
2. Strengthened vertical and horizontal beam makes the total chamber 50% stronger than normal HDPE material, the "cross" design increase installation efficiencies when improving overall body weight carrying load capacity versus concrete, polymer concrete and other body materials.
3. Rubber sealing between panels make the chamber water tight.
Materia
SMC is the short form of Sheet Molding Compound. It is composed of resin, fiberglass and other chemical polymer. This is a raw material for mold pressing.The core is chopped strand and unsaturated polyester resins paste that are covered by LDPE & HDPE sheet, With a thickness of 3mm-6mm , 600mm-1200mm width and is packed in rolls or boxes.
During production, to cut, weigh the raw material and then put it into a mold.. After a high pressure and temperature preservation for set time, final product is finished and will be transported to next working station.
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