RDS phenolic cotton tubes are manufactured using cotton cloth impregnated with phenolic resin and wound into cylindrical form before heat curing. These tubes feature excellent toughness, shock absorption, and electrical insulation, making them ideal for bushings, rollers, sleeves, and electric motor liners. Their machinability ensures easy customization for complex components. RDS offers a wide selection of inner and outer diameters, wall thicknesses, and cut-to-length services to accommodate high-volume or precision-based industrial projects.