Viton®Caulk & Adhesive:Designed to perform in high temperatures, aggressive vapors, and extreme environments. Excellent for bonding FKM to metal, these adhesives and caulks cure quickly at room temperature. Adhesive is available in quart and gallon cans, caulk in available in cartridges or tubes...
K.D. Staller: "Safe Decapsulation Techniques Using Viton Caulk," Proc. 40th Int. Symp. Test. Fail. Anal. (ISTFA 2014), Nov. 9-13, 2014 (Houston, Texas).