Looking for ceramic insulator pcs.- Material: AL2O3 (Aluminium-oxide ceramics 96% purity of ceramic)Properties:1. dielectric strength: 10 kv mm2. thermal resistance: (AOS 3) 0.3KW3.Thermal conductivity: 25W mk- Thickness 1 mm- Flatness 0.05mm- PLC (Product Life Cycle) is more than 3 years- Rohs compliance