Sulphated fatliquor for all types of sheepskins The leather chemical Synthol SF 838 is a sulphated fatliquor for all types of sheepskins. Double face Synthol SF 838 is a sulphated fatliquor with deep and uniform penetration properties. This leather chemical should be used in combination with other anionic fatliquors, mainly for the final fatliquoring in the Suede Dyeing or in a separate fatliquor bath. Synthol SF 838 gives the leather a full warm and soft touch with a nice gloss. TDS request Request a TDS of product TDS Sample request Request a sample of product Request