Syncotan APS

Retanning co-polymer based upon synthetic and natural materials


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

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Part of Smit’s Renewability range

Discover our bio-based wet end solutions for excellent leather performance.

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