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