Technical datasheet

BYK® -A 555

Supplied byBYK- Last Updated on Jun 27, 2025

BYK® -A 555 by BYK is a solution of foam-destroying polymers, silicone-free. Acts as an air release agent. It shows a good efficiency in various adhesive applications. It should be stirred into the resin prior to the addition of other formulation components. Used in solvent-borne and solvent-free adhesives. It is suitable for epoxy systems and PUR systems. BYK® -A 555 recommended level is 0.1 - 0.5% based upon total formulation.
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For which system

Solvent-based Adhesives|
Adhesives|
Solvent-free (100% Solid) Adhesives|
Reactive Systems

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BYK® -A 555 properties

Other properties

PropertiesValue & unitTest conditionTest method
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