... .6mm 2.Transparent solder mask,HASL lead-free 3.Fast delivery time,with competitive pricing 1. FR4 white material,1oz ... 6mm2. Transparent solder mask,HASL lead-free3. Fast delivery time,with competitive pricing4. Certificate: ROHS, UL, ISO9001-2000, ISO14001Our ... 1.6mm Copper thickness: 1ozSurface finished: HASL lead free Lead time:5 working daysPrototype for standard process specificationFast delivery ...