Marine oil based fatliquor for all types of sheepskins The leather chemical Sulphirol C is a marine oil based fatliquor for all types of sheepskins. Double face Sulphirol C should be used in combination with other anionic fatliquors in tannage, retannage, separate fatliquor bath or in dyeing. Sulphirol C gives exceptional softness with a round and warm handle. TDS request Request a TDS of product TDS Sample request Request a sample of product Request