3M™ Aerospace Sealant AC-730 Class B is a two-component thixotropic paste. AC-730 Class B maintains flexibility throughout its service life. It is easily applied by extrusion, injection gun or spatula, and exhibits superb tooling properties. Class B version has no added solvents, which minimizes shrinkage to help reduce rework and improve processes.
Application Life: 1/2 Hour
Typical Tack Free Time: 4 Hours
Typical Cure Time: 6 Hours
Specific Gravity: 1.52