Universal pickle, tanning and retanning fatliquor The leather chemical Synthol PF 991 is a universal pickle, tanning and retanning fatliquor. Suitable applications include: automotive upholstery, furniture upholstery, shoe upper, garment and double face. Characteristics Its electrolyte resistance makes Synthol PF 991 eminently suitable for application during pickling, tanning and retanning. Synthol PF 991 reduces friction during processing. Synthol PF 991 has high emulsifying properties and effectively distributes natural grease while limiting the risk of fatty spews. It promotes an even penetration of the chrome tanning agent. During sammying water is removed more easily and uniformly with Synthol PF 991 applied. Wet-blue fatliquored with Synthol PF 991 has a low tendency to dry out on the edges. Synthol PF 991 has excellent fogging, light fastness and heat resistance. TDS request Request a TDS of product TDS Sample request Request a sample of product Request