94% bio-based retanning agentCharacteristicsBiosyn 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 leatherContributes to a uniform grain tightnessHigh light- and heat fastness profile and low in emissionsTDS requestRequest a TDS of productTDSSample requestRequest a sample of productRequest Part of Smit’s Renewability rangeDiscover our bio-based wet end solutions for excellent leather performance. Download brochure