High strength chemgrate Grp fiberglass Frp molded  Manhole cover process:

Molded grating process

Molded grating is manufactured by laying continuous glass fibres in the mould in the direction of vertical and horizontal, and througly wetted out with resin, layer by layer. When the weaving process is completed, the mould is heated to cure the panel. After curing, the panel is ejected from the mould. The standard panel would have meniscus (concave) top surface. Any process such as post applied grit could be bonded after as a secondary operation. This continuous process produces an integral, one piece panel, which offers excellent corrosion resistance as well as bi-directional strength.Fiberglass Reinforced Plastic Grating/FRP Molded Grating Walkways/Flooring 

Excellent properties

1) corrosion/slip resistant 2) fire/impact retardant 3) high strength-to-weight ratio 4) easy to install and to maintain

High strength chemgrate Grp fiberglass Frp molded  Manhole cover specification:

• Techinical: Moulded, Plutruded 
• Color: Yellow, Green, Grey, Red, Black or as you request
• Mesh Size: 1.5*1.5" (38mm*38mm),    2.0*2.0" (50.8mm*50.8mm),    40mm*40mm,       20mm*20mm,    0.75*0.75" (19mm*19mm),   1"*4"(25.4mm*101.6mm),     1"*6"(25.4mm*152.4mm)
• Standard panel size: 3'x10', 3'x12', 4'x8', 4x10', 4'x12, 5'x13' Other size as your request.
• Surface: Gritted, Concave, Flat, Checker Plated
• Resin: Ortho Polyester(GP), Vinyl Ester(VE), Phenolic

 High strength chemgrate Grp fiberglass Frp molded  Manhole cover size:

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