Thanks to inherent high conductivity aln aluminum nitride, globaltop materials thermal conductive and electrical insulating tcpa 3030 series are ideally designed for replacement of heat sink and featured with electrical insulated properties for applications in power related industry.. Globaltop materials there are three models available now for different k selection: tcpa3020a, tcpa3025a, and tcpa3030a. Flame retardant and good for mold injection process. We also provide the consulting service for led bulb design in different power watt . 25 kg /bag packed /vacuum.