... products, under RoHS, UL, SGS etc. certififcated Copper Clad Laminates sheet.Include CEM1, FR1, FR2, CEM3, FR4 . ... other thickness is according to order .Face: 1 and 2 .Size: 1020mm*1220mm .Features: 1) The ... , pin hole, deep nick, pitting and glue spot on the copper foil covered face is not allowed. ... such as bubble, impressed pitting, nick and glue lack and outer impurity which retard its use are ...