Fatliquor for waterproofing The leather chemical Synthol RW New is a fatliquor for waterproofing. Suitable applications include bag leather and shoe upper. Characteristics Synthol RW New adds genuine body and roundness to the leather. Synthol RW New gives the leather a medium soft handle and good grain tightness. Good waterproofing effect is achieved when Synthol RW New is used as a single fatliquoring agent and a final treatment with metal salts is given. The strong fiber binding of Synthol RW New makes it suitable for the production of washable articles. TDS request Request a TDS of product TDS Sample request Request a sample of product Request Water resistant portfolio This product is part of our Water resistant portfolio. With our product portfolio of water resistant chemicals for retanning, wet end and finishing stages we offer a complete range to optimize your waterproof leather recipe. Download the brochure