Our insulative cable trench cover is a patent products, made from fiber glass reinforcedplastic, the main materials are fiber glass and resin.Its structure is a rectangle board with empty interspace.Among the interspace, it symmetrically distributes five pieces of vertical reinforced ribs.In the surface, there is concave-convex rectangle anti-slip pattern. The advantages of our cable trench cover: 1. Light weight.It’ s easy to move, installate and repair the facility when used in substation and power station. 2. Insulation.The mass resistivity of our cable trench cover is no less than 4× 1010© • m, has good insulation function. 3. Fire-proof.Its oxygen Index value is more than 26% , achieved the Grade 2 of building materials fire-proof function. 4. Elegant appearance The length and color of the cable trench cover can be required by customers. 5. Corrosion-resistant for acid, alkali and gas; oxidation resisitant, long service life for 20 years.