High Temperature Resistant Copper Foil

High-temperature resistant copper foil is a critical material for industries that demand reliable performance under extreme thermal conditions. Its ability to maintain electrical conductivity, mechanical strength, and oxidation resistance at high temperatures makes it indispensable for advanced applications in electronics, aerospace, automotive, and energy systems. As technology advances, the demand for such specialized materials is expected to grow, driving further innovation in this field.

 

With the rapid advancement of modern technology, the use of high-temperature resistant copper foil has expanded significantly. Today, this material is not only found in traditional industries like circuit boards, batteries, and electronics but also plays a crucial role in cutting-edge fields such as new energy, integrated circuits, advanced communication systems, and aerospace. As the demand for these applications grows, so do the performance requirements for both the end products and their manufacturing materials.

 

HSMetal's high-temperature resistant copper foil stands out due to its specialized surface coating treatment, which ensures exceptional performance under extreme thermal conditions. This treatment effectively prevents discoloration and enhances corrosion resistance, making the foil highly durable during high-temperature processing or use. As a result, it is an ideal choice for terminal products that operate in high-temperature environments, whether during production, processing, or everyday use.

 

 

 

 

ITEM	One side polished/Two sides polished/Two sides coarse							One side polished One/two polished
Surface(g/m2)	8um	9um	12um	15um	20um	25um	30um	10um	12um
Tensile Strength(kg/mm2)	70-75	85-90	100-105	128-133	175-181	220-225	265-270	95-100	105-110
Extensibility(%)	>=30.0	>=30.0	>=30.0	>=30.0	>=30.0	>=30.0	>=30.0	>=25.0	>=25.0
Oxidation resistance(160ºC/10min)	>=3.0	>=3.0	>=3.0	>=6.0	>=8.0	>=8.0	>=8.0	>=2.5	>=2.5
Width Tolerance(mm)	±1mm

 

 

• Exceptional Thermal Stability

Retains its properties at temperatures significantly higher than standard copper foil, often exceeding 200°C to 300°C or more.

• High Electrical Conductivity

Maintains excellent electrical conductivity even under high temperatures, ensuring reliable performance in electronic and electrical applications.

• Mechanical Strength

Exhibits enhanced tensile strength and durability to resist deformation or degradation at elevated temperatures.

• Oxidation Resistance

Resists oxidation and corrosion in high-temperature environments, extending its lifespan and reliability.

• Flexibility and Thinness

Available in thin, flexible forms, making it suitable for applications requiring precise and lightweight materials.

• Adhesion Properties

Provides strong adhesion to substrates, even under thermal stress, which is critical for laminated or coated applications.

 

 

• Alloying

Copper is often alloyed with elements like nickel, chromium, or titanium to improve its high-temperature performance.

• Surface Treatments

Coatings or platings (e.g., nickel, tin, or silver) are applied to enhance oxidation resistance and thermal stability.

• Lamination

Combined with high-temperature-resistant polymers or ceramics to create composite materials for specialized applications.

• Annealing

Heat treatment processes are used to optimize the foil's mechanical and thermal properties.

 

 

High Temperature Resistant Copper Foil Produced via electrodeposition from a copper sulfate solution onto a rotating titanium or stainless steel drum.The deposited copper is peeled off, then treated (roughening, heat resistance, anti-corrosion).

Rolled Copper Foil Made by cold-rolling high-purity copper cathodes into thin sheets, followed by annealing.Surface can be further treated (e.g., oxidation resistance coating).

 

PRODUCTION PROCESS FLOW CHART

 

 

 

 

 

• Superior performance in high-temperature environments.
• Longer lifespan and reliability under thermal stress.
• Maintains electrical and mechanical properties at elevated temperatures.
• Versatile for use in demanding industries such as aerospace, automotive, and energy.

 

 

 

 

• Electronics and Electrical Systems

Used in printed circuit boards (PCBs), flexible circuits, and high-temperature electronic components.

Ideal for power electronics, such as inverters and converters, where heat generation is significant.

• Aerospace and Defense

Employed in avionics, satellite systems, and other aerospace applications where materials must withstand extreme thermal conditions.

• Automotive Industry

Used in electric vehicles (EVs) for battery systems, motor controllers, and other high-temperature components.

• Energy and Power Generation

Applied in solar panels, wind turbines, and power distribution systems where high thermal resistance is required.

• Industrial Equipment

Utilized in high-temperature sensors, heaters, and industrial machinery components.

• Telecommunications

Used in high-frequency communication devices and antennas that operate under thermal stress.

 

 

 

Q1: What info. should I let you know if i would like to get a quotation for the the Electrolytic copper foil?

A1: The material size (Thickness*Width*Length and total Qty). If possible, it would be more better to advise the application of the product

Then we can recommend the most suitable products with details for confirmation.

 

Q2:How long is your delivery time?

A2:Generally it is 5-10 days base on we have stock on hand. or 15-20 days if no inventory, then need check with our production team for lead time according to the quantity.

 

Q3: Do you provide samples ?

A3:Yes, if standard sizes sample is free but buyer need to pay freight cost.

 

Q4:What is your terms of payment ?

A4: Normal payment term is 30%TT, 70% before shipment get ready to ship

 

Q5: How do you guarantee the quality of the products?

A5: Each step of production and finished products will be carried out inspection by QC department before storing to the warehouse. NG products are not allowed in the completed goods warehouse.

 

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