... )Base Material:fr-4,cem-1,cem-3,ceramics,high tg cooper(CCL)5)Board Thickness:0.2mm-4.5mm6)Min ... Abrasion:>5H 20)Inflammability:94vo21)Certificate:ISO9002,UL,SGS22)Special Technology:blind and buried vias,impedance control,BGA,semiconductor vias,silver ...