The technical term for cyanoacrylate frosting or blooming is chlorosis. It refers to when excess cyanoacrylate monomers vaporize or become airborne, reacting with moisture in the air. The monomers then cure into small particles that fall onto the area around the bond line. This is the white residue you often see on darker parts bonded with a cyanoacrylate.
This frosting or bloom residue is a by-product of an instant adhesive cure process and only occurs while the cyanoacrylate is curing. The worst cases of chlorosis happen when a part is packed into a container or plastic bag before the cyanoacrylate is fully cured or polymerized.
While frosting or blooming does not compromise the strength or integrity of a bond, it does disrupt the aesthetic appearance of an application. This can be an issue when smooth, clean lines are desired.
Contact us to discuss the best cyanoacrylate solution for your application.