Vlp ed copper foil Specifications: Thickness: 1/4oz~3oz(9µm~105µm) Max size: 1295mm×1295mm Performance: ClassificationUnit9µm12µm18µm35µm70µm105µm Cu content%=99.8 Area weigthG/m280±3107±3153±5283±7585±10875±15 Tensile strengthR.T.(23?)Kg/mm2=28 H.T.(180?)=15=18=20 ElongationR.T.(23?)%=5.0=6.0=10 H.T.(180?)=6.0=8.0 RoughnessShiny(ra)µm=0.43 Matte(rz)=3.5 Peel strengthR.T.(23?)Kg/cm=0.77=0.8=0.9=1.0=1.5=2.0 Degraded rate of hcl(18%-1hr/25?)%=7.0 Change of color(e-1.0hr/200?)%Good Solder floating 290?Sec.=20 Appearance(spot and copper powder)----None PinholeEaZero Size toleranceWidthMm0~2mm LengthMm---- CoreMm/inchInside diameter 79mm/3 inch