... scattering and conducting, tight inside structure, good density, corrosion resistance Aluminum heatsink for electrical productsAlloy: 6063, 6006, 6061, 6005, 6082 Different ... ,drilling,punching,bending,CNC machining and etc.Finish: mill finish,anodizing,powder coating,painting,shot blasting,fluorocarbon sprayingCertificate : ISO9001 2008 , SGS ...