Profile: Surendra Composites manufactures composite material for electrical insulating applications. Our products include SUR wood, SUR lam, SUR glass, transformer insulation details, insulation details for motor, switchgears and generators. Our SUR wood includes transformer insulation boards, natural fiber thermo set composites and stud, nuts & washers. Our SUR lam includes cotton phenolic sheets, paper phenolic sheets, mica laminates and epoxy-coated nomex.