BN Boron Nitride Ceramic Sheet, Circular Square Processing Plate, High Temperature Resistant Insulating Sheet 1pc. Color: White Shape option: Circular Square Material: Alumina Ceramic Characteristics: Exceptional Strength: With high compressive strength, BN Boron Nitride Ceramic Sheet withstand heavy loads and pressures without deformation. Material: High Temperature Resistant Insulating Sheet is made of Alumina Ceramic as the main material, rare metal oxide as flux and calcined by more than 1 thousand degrees. Application: Processing Plate is widely used in high-power equipment, Mos, communication equipment, mechanical equipment, etc. Packing Content: 1pc of BN Boron Nitride Ceramic Sheet.