BYK-A 555

BYK A 555 is a silicone-free polymer-based air release additive suitable for all types of unsaturated polyester resins and processing methods. BYK A 555 displays the highest efficiency in deaerating virtually all unsaturated polyester resins used in industrial applications. It prevents air entrapment during the manufacture and application of composite systems. BYK A 555 helps improve mechanical properties, durability and reduces porosity in finished parts. Its unique foam-destroying mechanism ensures enhanced performance, quality and lifetime of composite materials used in critical industrial components and equipment.