... 2.Cooper thinkness 1.0 oz 3.HASL 4.Certification: UL,ROHS,ISO9001, 5.Competitive price MORE SPECIFICATIONS1.LAYER 1--122.BOARD ... ,OSP13.SOLDER MASK COLOR GREEN,BULE,WHITE,YELLOW,BLACK14.CERTIFICATE UL,ROHS,ISO9001,15.ASSEMBLY LEAD FREE,NOT LEAD FREE