Multigrade cyanoacrylates for adhesion featuring multiple viscosities are available from Dymax Corp. (Torrington, CT; 860/482-1010). For use with acetyl, nylon, rubber, polyethylenes, acrylics, and polycarbonates, the adhesives are solvent-free and compatible with most surfaces. The 222 Series provides high bond strengths and minimizes odor, blooming, and vapors during the bonding process. The supplier is ISO 10993 certified.