The Universal Selection Source:
Adhesives Ingredients

BYK® -066 N

Technical DataSheet | Supplied by Byk (Altana Group)

BYK® -066 N by Byk Altana Group is a solution of foam-destroying polysiloxanes. Acts as a defoamer. This additive contains fluoro-modified silicone. The binders preferred for it are chlorinated rubber and self-crosslinking acrylates. In BYK® -066 N, separation or turbidity may occur at temperatures below 5°C. It is highly efficient and offers optimum defoaming while utilizing only minimal quantities of incompatible substances. It is recommended for PUR-based adhesives and also found suitable for epoxy-based adhesives. Used in solvent-borne and solvent-free adhesives. Its recommended level is 0.1 - 0.7% based upon total formulation.

BYK® -066 N Product details

Product Type
Chemical Composition
Product Status
Applications/ Recommended for
  • xxxxxxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxxxxxxxxxxxxxx
  • xxxxxxxxxxxx

BYK® -066 N Properties


Value & Unit
Test Condition
Test Method
Density @ 20°C
xxxx g/ml
Non Volatile mater
xxx %
Flash point
xx °C
Last edited Mar 29, 2017
Back to Top