Welflex Polymer Pvt. Ltd. Offers Flocked Rubber Channels for Smooth Sliding of Window Glass. Welflex Polymer Pvt. Ltd. Manufactures Metal Bonded Seals, Diaphragms, Canvas Impregnated Seals and Hydraulic Seals, Industrial O-Rings, Oil Seals, extruded sections and profiles in Natural, Synthetic, Nitrile, Neoprene, Viton and EPDM Rubbers etc. The Flocked Rubber Channels for Smooth Sliding of Window Glass use nylon fibre on the profile as they have high abrasion resistance and also as they do not retain dust or water. These nylon fibres are electro statically coated on to the surface of the required rubber profile. These profiles are used in windows for smooth sliding of the glass.