... , ROHS compliant,SGS Test 2.Aluminum material Aluminum Based, copper based, Iron Basesd LED boardWhat we can do for you:1.Excellent Quality ... LED products.3. Board thickness: 0.4~3.2 mm Aluminum board4. Copper thickness: 17~210 um 5. Surface finishing: ... Red,White, Blue, Matt Green, Matt Black etc.Surface FinishingHASL,Immersion Silver/Gold, OSP,Plate Gold, Gold Finger aluminum printed circuit board