Retanning co-polymer based upon synthetic and natural materials Characteristics A versatile retanning agent which guarantees a luxuriously soft handle while imparting a robust fullness to the leather. It aligns with current market trends towards emission free and bio-based leathers as it does not contain formaldehyde or bisphenol and is 30% biobased. Free of phenol, bisphenol & formaldehyde, offering an alternative to conventional syntans Excellent selective filling throughout a wide range of leathers Very good heat yellowing and lightfastness 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