Performance: Product has excellent normal temperature storage performance, high temperature oxidation resistance, product quality reach the IPC - 4562 standard Ⅱ, Ⅲ level requirements, meet the standard profile (S) high temperature ductility (frequently) characteristics of electrolytic copper foil Product use: Suitable for all kinds of resin system of double side, multi-layer printed circuit board. Advantages: This product adopts the special surface treatment technology, improve the product bottom corrosion resistance and reduce the risk of residual copper.