Products

Soft Copper Foil

Grade:T2,C1100
Hardness:1/2 Hard,1/4Hard,Soft
Surface:Smooth,Bright and Clean
Tolerance±0.01-0.1mm
Feature:High Tensile Strength
Cu(Min):99.90%/Customized
Sample:Sample is available
Delivery Time:7-15 Days after received deposit

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Soft Copper Foil Product Catalog

Description

The high-precision Soft Copper Foil in our production can be divided into oxygen free copper series, electrolytic tough copper series, phosphorus deoxidized copper series, lead frame belt series. Soft Copper Foil is widely used in various electrical, chemical industry, RF cable, terminal, radiator, transformer, lead frame, electronic and electrical connectors and other fields.

Products Parameters

1.Electrolytic copper foil (ED)

Property Category		Weight Per Unit Area (g/m²)	Tensile Strength (kg/mm²)		Elongation(%)		Roughness(μm)		High Temperature Oxidation Resistance
Property Category		Weight Per Unit Area (g/m²)	Normal Temperature	180℃	Normal Temperature	180℃	Smooth Surface (Ra)	Matte Surface (Rz)	High Temperature Oxidation Resistance
6μm	High Tensile Strength Copper Foil	50-55	≥45	/	≥2.0	/	≤0.43	1.0-3.0	No Oxidation Discoloration Under Constant Temperature(145℃/15℃min), in compliance with national industry standards《SJ/T11483-2014》Electrodeposited Copper foil for lithium ion battery
6μm	Double Sided Glossy Copper foil	50-55	≥30	/	≥3.0	/	≤0.43	1.0-3.0
8μm	High Tensile Strength Copper Foil	70-75	≥45	/	≥2.5	/	≤0.43	1.0-3.0
8μm	Double Sided Glossy Copper foil	70-75	≥30	≥20	≥5.0	≥3.0	≤0.43	1.0-3.0
9μm	High Tensile Strength Copper Foil	85-90	≥45	/	≥3.0	/	≤0.43	1.0-3.0
9μm	Double Sided Glossy Copper foil	85-90	≥30	≥20	≥5.0	≥3.0	≤0.43	1.0-3.0
10μm	High Tensile Strength Copper Foil	85-90	≥25	≥15	≥2.5	≥2.0	/	/
	Single/Double Sided Roughness Copper Foil	95-100	≥25	≥15	≥2.5	≥2.0	/	/
	Double Sided Roughness Copper foil	95-100	≥25	/	≥3.0	/	/	/
12μm	High Tensile Strength Copper Foil	100-105	≥45	/	≥4.0	/	≤0.43	≤5.1
	Double Sided Glossy Copper foil	100-105	≥30	≥20	≥5.0	≥3.0	≤0.43	1.0-3.0
	Single/Double Sided Roughness Copper Foil	105-110	≥25	≥15	≥2.5	≥2.0	/	/
15μm	Double Sided Roughness Copper foil	105-110	≥25	/	≥3.0	/	/	/
	High Tensile Strength Copper Foil	128-133	≥45	/	≥4.0	/	≤0.43	≤5.1
	Double Sided Glossy Copper foil	128-133	≥30	≥20	≥6.0	≥3.0	≤0.43	1.0-3.0
18μm	High Tensile Strength Copper Foil	157-163	≥45	/	≥5.0	/	≤0.43	≤5.1
18μm	Double Sided Glossy Copper foil	157-163	≥30	≥20	≥8.0	≥2.0	≤0.43	1.0-3.0
20μm	Single/Double Sided Roughness Copper Foil	120-125	≥30	≥20	≥5.0	≥3.0	/	/
	High Tensile Strength Copper Foil	175-181	≥45	/	≥5.0	/	≤0.43	≤5.1
	Double Sided Glossy Copper foil	175-181	≥30	≥20	≥8.0	≥3.0	≤0.43	1.0-3.0
25μm	Double Sided Glossy Copper foil	220-225	≥30	≥20	≥8.0	≥4.0	≤0.43	1.0-3.0
30μm	Double Sided Glossy Copper foil	265-270	≥30	≥20	≥9.0	≥5.0	≤0.43	1.0-3.0
35μm	Double Sided Glossy Copper foil	285-290	≥30	≥20	≥9.0	≥5.0	≤0.43	1.0-3.0

2.Rolled Copper Foil (RA)

Classification			Unit	6μm	9μm	12μm	18μm	35μm	50μm	70μm
1	Cu Purity(Grade:C1100)		%	Min.99.97
2	Thickness Tolerance		μm	±0.1	±0.2	±0.3	±0.4	±0.5	±0.8	±1.0
3	Tensile Strength	Hard(H)	N/mm²	420-450	420-450	440-470	450-480	440-460	420-450	380-410
3	Tensile Strength	Soft(O)	N/mm²	160-180	160-180	160-180	170-190	180-210	200-220	210-240
4	Elongation Rate	Hard(H)	%	1.0-1.1	1.0-1.2	1.0-1.2	1.1-1.4	1.1-1.4	1.1-1.5	1.2-1.8
4	Elongation Rate	Soft(O)	%	≥6	≥7	≥7	≥8	≥11	≥13	≥20
5	Surface Roughness		μm	Max.0.2
6	Surface Quality			No Wrinkle,No Color Difference,No Scratche,No Pit and Salient Point
7	Storage Condition			Temperature≤25℃,Relative Humidity≤60%,180 days

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Application of Soft Copper Foil

-Radio frequency cable

-Transformer

-Lead frame

-Copper cladding aluminum

-Water heater exchanger

-Automotive manufacturers

Application

Test Equipments

Test Equipment

Packages

Copper foil Package

Certificates

Company Profile

HSMetal is a technology-driven enterprise dedicated to the design, R&D, manufacturing, and sales of advanced copper foil products. Our portfolio features a range of high-end copper foil solutions such as ultra-thin flexible lithium battery copper foil, HVLP high-frequency high-speed ultra-low profile foil, RTF reverse treated foil, ultra-thin carrier foil (peelable copper), blackened foil, buried resistance foil, and microporous copper foil.

With years of specialized experience in R&D and production of ultra-thin flexible copper foil for lithium batteries, we have built a strong track record of delivering high-performance products alongside comprehensive technical support and customized solutions to clients worldwide.

The ultra-thin electronic copper foil series developed by our company exhibits outstanding stability and reliability, making it suitable for a wide array of applications. These include multi-layer printed circuit boards (PCBs), flexible circuit boards, IC packaging substrates, 5G smartphones, servers, base stations, AI-integrated systems, automotive radar, medical devices, and aerospace technologies.

As a critical material in both the lithium battery and electronics industries, copper foil plays an essential role in enabling technological progress. We remain committed to advancing innovation through sustained R&D, continuously improving product quality, and expanding our development of lithium-ion battery materials. Our goal is to consistently provide superior customer service and contribute to the sustainable, high-quality growth of the industry.