J. Rettenmaier offers a comprehensive range of natural and synthetic fiber additives designed for various industrial formulations. Their natural fibers include cellulose-based products derived from renewable plant materials. Natural fibers offer reinforcement, improved flowability, thickening, stabiliziation, lightweighting, and ehanced drying properties. J. Rettenmaier's synthetic fibers made from recycled nylon, polyester, and polyethylene. For plastic and elastomer applications these synthetic fiber additives to improve mechanical properties, reduce noise, and enhance surface texture.