When you are in need of an encapsulating compound, Tough-Seal 21 of the Key Polymer Corporation is the company to help. Tough-Seal is the perfect encapsulating compound for you electrically conductive materials because it forms the tough seal coatings, but protects the components during all types of weather and expansion and contraction of high and low temperature. Key Polymer’s adhesives and chemical compounds have been providing the industrial workplace and customers with high standard equipment for 45 years. Please purchase an evaluation kit for your project to ensure that your encapsulating compound is the best. The encapsulation product is available in a number of sizes. For more information, please email toughseal@keypolymer.com, or call 888- KEYPOLY