Ceramic encapsulants, casting compounds, and potting systems provide electrical protection at very high temperatures, usually up to around 3,000 °F or 1,649 °C. They adhere well to a range of substrates such as glass, quartz, ceramic, and most metals, with good thermal conductivity and electrical insulation capabilities. Ceramic encapsulants are often used in heat elements, lighting, sensors, resistors, igniters, and similar applications. Ellsworth Adhesives supplies ceramic encapsulants for high temperature environments from Sauereisen.