Master Bond Master Sil 702 is ready-to-use, one component high performance silicone elastomer compound for bonding and sealing which fully meets MIL-A-46146 Type I specification. Master Sil 702 is heat resistant to 450°F. It is supplied as an easy to apply paste and reacts with moisture in the air to form a durable silicone rubber. Master Sil 702 compound will adhere to many substrates including glass, ceramics, metals, silicone rubber and most plastics. Adhesion can be enchanced with Master Sil Primer 718 adhesion promoter. It features excellent physical strength properties and is a superior electrical insulator. Because its non-corrosive by products of cure, it is also most useful for electrical encapsulation and/or sealing.