BMC 450x450mm manhoel cover pass load 3tons

BMC 450x450mm manhoel cover pass load 3tons

BMC (Bulk Molding Compound / group-like plastic)make the unsaturated resin as matrix material, with 30-50mm short fiber materials as the reinforcing material, with CaCO3 as filler, as prefabricated molding. BMC molding covers--- mold plastic with reinforced ,then under a certain temperature and pressure to be formed ) that covers are made of reinforcing material ,which is a short 30-50mm staple fiber composite material formed of continuous fiber strength of only 20-30%), the structure of the composite Manhole Cover with the ribs as flat bottom .All the materials are composite and environmental.

Zibo Best Energy-Saving Materials Co., Ltd have more than 10years, main products is manhole cover, Trench Cover, drainers and grating. Welcome to inquiry