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BYK® -327

Technical Datasheet | Supplied by Byk (Altana Group)
BYK®-327 by Byk (Altana Group) acts as a defoamer/air release agent during production and application. It is polyether-modified polydimethylsiloxane with improved leveling & wetting properties. It can prevent the formation of benard cells. It slightly reduces the surface tension. BYK®-327 is suitable for filled systems due to slight turbidity. It is recommended for polyurethane and epoxy resin-based systems and thermosets. The dosage level of the grade is 0.05-0.3% as supplied based on the total formulation.
Product Type
  • Other Additives for Liquid Systems > Wetting Agents
  • Other Additives for Liquid Systems > Levelling Agents
  • Anti-foaming Agents / Defoamers > Defoamers
Chemical Composition
Physical Form
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