Sheet type silicone thermal gel sheets control and dissipate heat in electronic components. Applications include computer internal components such as CPU, motherboards, power transformers, power supply equipment, and electronic parts such as semiconductors. Sheets sold in 400 x 400 mm (15.7 x 15.7 in.) size and in 0.5 mm to 3 mm thickness. RoHS controlled substance and usable over temperature range: -40°C to +200°C (-40°F to +392°F). There are 5 gel sheets identified as the V30Z62MCH. Thermal conductivity ranges between 1.8 and 6.5 W/m • k. Considered environment-friendly.