... This form is of my company's process capacity for your reference, for more messages, pls contact with us freely!ItemSpecification MaterialFR ... , reject tin on pad Pad Open reject soldermask inside the hole on both side Solder Mask Thickness0.7mil,raised H ... testing pass percent97% pass for the first time,+/-2%(tolerance) Certificate SGS,ISO,ROHS,UL, Welcome to visit WALBOND ! 2L PCB for home appliance