Waterproofing fatliquor for the highest requirements The leather chemical Synthol DS 600 is a waterproofing fatliquor for the highest requirements. Suitable applications include shoe upper. Synthol DS 600 is used when the highest standards in waterproofing have to be met. Characteristics Synthol DS 600 is used when the highest standards in waterproofing have to be met. Leathers have medium softness with a full and rubbery handle. The grain remains very tight, even when higher amounts of the product are applied. The grain has a pleasant and smooth handle. 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