... 3. Excellent quality with competitive price 1. Al base material,1 oz copper, board T1.6mm2. Black ... , Hasl lead free3. Excellent quality with competitive price4. Round pcb5. Certificate: ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing ... .85 °C/W – 0.4 °C/W al base material type1060 / 5050 / 5052surface disposalHASL/ OSP/ immersion gold ... more high pcb at the soonest Round 1.6mm aluminum base pcb board