Technical datasheet

BYK® -354

Supplied byBYK- Last Updated on Sep 1, 2025

BYK® -354 by BYK is a polyacrylate-based, surface additive. It is used as an anti-cratering & leveling additive, increases gloss and also has a deaerating effect as a result of its high molecular weight and non-polar structure. This thermally stable additive only reduces surface tension slightly.
  • It is recommended for all ambient curing resin systems such as unsaturated polyester resins and epoxy resins.
  • The recommended level is 0.1-1.5% additive (as supplied) based upon total formulation.
  • It is listed in EINECS, TSCA, DSL, AICS, PICCS, IECSC, ENCS, NZIoC and ECSI.
  • It is in line with EU Directive 2011/65/EC (RoHS 2), EU Directive 2002/96/EC (WEEE), EU Directive 94/62/EC (Packaging Waste) and CONEG Toxics in Packaging.
  • It complies with REACH Regulation (EC) No 1907/2006.
  • The shelf life of BYK®-354 is 60 months.
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BYK® -354 properties

Other properties

PropertiesValue & unitTest conditionTest method
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