Black Epoxy, Encapsulating & Potting Compound 12.6 fl oz 2 Bottle Kit 832B potting and encapsulating compound is a black, general purpose, hard, two-part epoxy that offers extreme environmental, mechanical and physical protection for printed circuit boards and electronic assemblies. Due to its low mixed viscosity, 832B can easily penetrate small gaps and cavities. It also provides excellent electrical insulation and protects components from static discharges, vibration, abrasion, thermal shock, environmental humidity, salt water, fungus, and many harsh chemicals. This epoxy has a convenient 2:1 volume mix ratio, making it compatible with most dispensing equipment. 832B can be cured at room temperature or higher.