Check the listing for details. 2Pcs 100x100x1mm Alumina Ceramic Sheet DIY Square Cooling Pad. Condition: New. Listed at 20.44 USD. Description:Alumina ceramic radiator sheet is a kind of thermal conductive and insulating material, which is used for electronic equipment requiring heat conduction, heat dissipation, insulation and high temperature resistance, and is widely used in high-power equipment, Mos, communication equipment, mechanical equipment, etc.The alumina ceramic sheet, is in size of : 100mm/4-inch length, 100mm/4-inch width, 1mm/0.04-inch thicknessAlumina ceramic sheet has high hardness and is a good heat dissipation and insulation material; Small size, light weight, uniform heating, good thermal conductivity; High temperature resistance, abrasion resistance, corrosion resistance and durabilitySteps of installation:1. Select ceramic insulating sheet with proper size; 2. InstallationPlease Note : Please select the proper size of ceramic insulating sheet.