Special fatliquor blend for extremely soft and light weight leathers The leather chemical Synthol YY 707 is a special fatliquor blend for extremely soft and light weight leathers. Suitable applications include bag leather, shoe upper, garment, upholstery and double face. Characteristics Synthol YY 707 gives an exceptional deep inner softness. Synthol YY 707 reacts with the fibers instead of merely depositing between them. This causes the specific fluffy fullness and light weight handle associated with Synthol YY 707. The complete relaxation of the fibers causes the excellent milling properties of Synthol YY 707. TDS request Request a TDS of product TDS Sample request Request a sample of product Request