... material,1 oz copper, board T1.6mm 2. Green ink, Immersion gold 3. Excellent quality with competitive price 1. Al base material,1 ... pcsQTY: 10pcs Board size: 100mm x 150mmNO Layer: doublelayer Material: FR4 or ALBoard thickness: 1.6mm Copper thickness: 1ozSurface finished: HASL lead ... layers pcb, and 120 hours delivery for ten layer or more high pcb at the soonest 2 Layer 1.6mm aluminum base pcb board