Sintex`s cable trays [grp] do not rust, corrode or rot and are not affected by solar radiation, outdoor exposure or chemical pollution and have excellent electrical insulating properties. These cable trays are strong but light-weight material, high strength to weight ratio. It is of light weight [approx. 1/4th of m.S.], fire retardant and stable at high atmospheric temperatures· these cable trays are also non-sparking, non-magnetic, maintenance-free and no painting or repainting is necessary.