94% bio-based retanning agent Bio-based Automotive Bags & leather goods Garment Shoe Upper Splits Upholstery Biosyn AP 82L can be used where good roundness and fullness are demanded. It is recommended to use quantities from 4% to 8% of Biosyn AP 82L as re-tanning agent in different leather articles. BioSyn AP82L has a very high renewability score from a completely eco-sustainable nature. Gives a pleasant full and round handle to the leather Contributes to a uniform grain tightness High light- and heat fastness profile and low in emissions 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