Electrolytic Tough Pitch Copper Foil Current Collector – 4.5–50 µm Thickness Roll for Lithium-Ion Electrode Fabrication

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Specification
Material	Electrolytic Tough Pitch Copper (≥99.8% purity)
Temper	H19
Structure	Copper foil
Thickness Options	4.5 µm / 6 µm / 9 µm / 12 µm / 25 µm / 50 µm
Width	80–280 mm (depending on thickness)
Length	According to selected thickness and width
Mass Resistivity	0.168 Ω·g/m²
Tensile Strength	360 MPa (4.5–6 µm), 410 MPa (9 µm), 450 MPa (12–25 µm)
Elongation (RT)	4.2%
Elongation (HT)	5.5%
Surface Roughness (Ra)	0.22–0.25 µm
Surface Roughness (Rz)	1.6 µm
Core Diameter	75 mm
Surface Property	25 µm single-side shiny; others double-side shiny
Packaging	Rolled on core

Thickness (µm)	Width (mm)	Length (m)	Net Weight (kg)
4.5	180	350	2.5
4.5	280	220	2.5
6	180	525	5
6	280	333	5
9	180	310	5
9	230	250	5
9	280	170	4
12	180	240	5
12	280	155	5
25	80	120	2–2.5
25	150	120	4
50	180	120	2