What is polymer composite cable trench cover plate?
But on the actual sales market, the BMC material plus steel pressed into the cover plate, glass fiber reinforced plastic grille also become high polymer composite material cover plate.
From the point of view of cost performance, the general FRP grille grille cover is more economical and durable.This answer is recommended by the questioner
Strictly speaking, should be unsaturated resin and glass fiber and other SMC sheet made of high temperature molding of the cover plate, there is no reinforcement inside, high strength.
