DM 2552-A Glycol Thornley Company Defoamers / Anti-Foaming Agents ADHESIVE Low viscosity glycol type defoamer providing excellent knockdown and smooth film surfaces in adhesive resins. It is particularly suited to adhesive formulations based on dextrines. Low viscosity glycol defoamer for adhesives. Provides good knockdown and smooth film surfaces. Suits to adhesive formulations based on dextrines.