1.polishing surface 2.high corrosion resistance 3.99.9% purity 4.100* ... .We also manufacture the products as follows:² titanium,nickel,zirconiumsheet/plate,tube/pipe,bar/rod: gr1,gr2,gr5,gr7,gr9,monel400 ... copper:Tu2,Tu3,sheet,bar,tube² Titanium,nickel,zirconium,chromium standard parts:M4-M15,DIN933,934,6921,7991,7984,JIS