... .8mm,1.0mm,1.2mm,1.6mm,2.0mm .Thickness of copper:18um, 35um, other thickness is according to order. Face ... and 2 Size: 1020mm*1220mm Features: 1) The end face of foil covered board should be tidy without any delamination and ... outer impurity which retard its use are not allowed .4) Usually used in PCB of computers, home electric appliances and other lines. FR4 ...