SPECIFICATION:
- Thicknesses : 8 um, 10 um, 12 um, 16 um
- Standard Width : 200 mm
- Weight : 2kg
- Composition : Cu ≥99.9%, Fe < 0.0010%, Bi < 0.00020%, Pb < 0.0005%
- High temperature tensile strength (180℃) : ≥147 MPa
- High temperature elongation (180℃) : 2%
- Anti oxidisation (heating at 180℃ for 1 hr) : No oxidation of points on the surface, the colour does not change
- Surface roughness : Less than 0.3 um (drum side), Less than 3.0 um (matte side)
Unit Spec | Area Weight (g/㎡) | Shiny side Ra (μm) Rz (μm) | Matt side Ra (μm) Rz (μm) | Penetration Points (pcs/㎡) | Tensile Strength (N/m㎡) | Elongation Rate (%) | Thickness (μm) | Anti-oxidation (180℃,30min) |
7μm | 60~65 | ≤0.3 <2 | ≤0.3 <2 | No | ≥300 | >3.5 | ≤9 | OK |
8μm | 70~75 | ≤0.3 <2 | ≤0.3 <2 | No | ≥300 | >3.5 | ≤10 | OK |
9μm | 86~90 | ≤0.3 <2 | ≤0.3 <2 | No | ≥300 | >4 | ≤11 | OK |