Premium Fiberglass Reinforced Plastic FRP Solid Cable Tray GRP Trunking Insulated Premium Fiberglass Reinforced Plastic (FRP) Solid Cable Tray Durable GRP Trunking Insulated Fire Retardant Construction Use Product Name FRP Trough Type Cable Tray Materials Glass Fiber Reinforced Plastics Specification Thickness: 3 mm - 5 mm Height: 25 mm - 500 mm (Light, Medium, Heavy Duty) Width: 50 mm - 1000 mm Length: 2-6M (can be produced according to appointed length) Finished: Basic