| BYK®-A 535 | BYK | Silicone-free defoamer / air release additive for solvent-free and solvent-borne epoxy and PUR-based adhesives and sealants. | |
| BYK®-A 550 | BYK | BYK®-A 550 shows a strong air release effect without creating a strong haziness effect. | |
| BYK®-A 555 | BYK | BYK®-A 555 shows the highest efficiency in various adhesive applications. |
