ProductDescription Material:Bergquistaluminumbaseboard BoardThickness:1.5mm Copperthickness:1OZ SolerMask:White Finish:ImmersionGold/HALLeadFree Profile:Punching E-test:100%Fixture BergquistAluminumbasecopper-cladlaminatehaveexcellentflameretardant,highmechanicalstrength,dimensionalstabilityetc.Especiallyithasverygoodheatsink,electromagneticshieldingandsolderfloat. It'swidelyusedforthemodifierandsparkeronfireformotorcycleandmobile,powerLED,soundbox,powersupplymoduleandacousticsshieldingsystemetc. ShenzhenLongkunTechnologyCo.,Ltdwillchoosethebestmaterialsforallofourproducts.