Upholstery fatliquor for a pronounced milling grain SULPHIROL CLWN can be used as a single fat liquor in the production of upholstery leather. It can be easily mixed with all our other anionic fat liquors. Bio-based Upholstery Applying SULPHIROL CLWN as a single, or as the main, fat liquor gives upholstery leather a bold and pronounced milling grain. Leather fatliquored with SULPHIROL CLWN has a very full and round handle. SULPHIROL CLWN exhibits a deep and uniform softness. TDS request Request a TDS of product TDS Sample request Request a sample of product Request Part of Smit’s Renewability range Discover our bio-based wet end solutions for excellent leather performance. Download brochure