Copper foil ,Copper fin

Alloy Condition

ASTM-C11000-O61

Oxygen-free copper, soft temper, Cu content ≥99.99%

Dimension (mm)

Thickness: 0.08~0.25; Width: 80~600;

Custom slitting length available upon request

Roll Inner Diameter (Φ)

76mm, 152mm

Compatible with mainstream processing equipment reel specifications

Roll Outer Diameter (Φ)

200~1000mm

Adjustable according to order quantity and packaging requirements

Tensile Strength (N/mm²)

195~235

ASTM B370

Elongation (%)

≥30

Gauge length 50mm, room temperature test

Bulge Height (mm)

≥7

Erichsen Test

Vickers Hardness (HV)

50~55

Load 100g, dwell time 10s

Yield Strength (N/mm²)

≥65

Maximum bearing strength in elastic stage

Elastic Modulus (GPa)

110~115

Parameter of material's elastic deformation capacity

Chemical Composition

Copper (Cu) Content

≥99.99% (ASTM B152)

Total Impurity Content

≤0.01%

Physical Properties

Density (g/cm³)

8.96 (20℃)

Melting Point (℃)

1083~1085

Thermal Conductivity (W/(m·K))

≥390 (25℃)

Electrical Conductivity (IACS %)

≥100 (20℃)

Coefficient of Linear Expansion (10⁻⁶/℃)

16.5 (20~100℃)

Corrosion Resistance

Atmospheric Corrosion Resistance

Excellent, no oxidation peeling tendency

Fresh Water Corrosion Resistance

No obvious corrosion (ASTM G31)

Surface Quality

Surface Condition

Smooth and clean, no scratches, oxide spots, or oil stains

Roughness (Ra)

≤0.1μm

Processing Precision

Thickness Tolerance (mm)

±0.005 (Thickness ≤0.15mm)

Width Tolerance (mm)

±1.0 (Width 800~600mm)

Packaging Method

Inner Packaging

Vacuum PE film wrapping, moisture-proof and oxidation-resistant

Outer Packaging

Rigid paper tube + corrugated carton, with desiccant

Weight per Roll (kg)

50~200 (Adjustable according to outer diameter)

Storage Conditions

Environmental Requirements

Temperature 10~30℃, Humidity ≤60%, No acid-base corrosion