Are you looking for the best copper foil shielding factories in China? If so, you’re in the right place. In this article, we’ll compare some of the top players in the industry, highlighting their specialties, production capacities, and the quality of their products. Let’s dive into the world of copper foil shielding and find out which factories stand out from the rest.

Copper Foil Shielding

Product Details: Copper foil shielding tape is a thin, conductive tape composed of a copper foil backing coated with an electrically conductive adhesive. It is typically 2.6 mils (0.066 mm) thick, with a 1.4 mil (0.036 mm) copper foil backing. The tape is supplied on a removable liner and is suitable for EMI/RFI shielding, static charge draining, cable wrapping, and surface contact to non-solderable materials. It is also flame retardant and meets UL510A standards[1][3].

Pros:
– High electrical conductivity and conformability
– Excellent shielding ability against EMI/RFI and magnetic fields
– Versatile applications including electrical grounding, cable wrapping, and shiel…
– Easy to handle and die-cut
– Resistant to weather and chemical corrosion
– Lightweight and inexpensive to produce, especially for high-frequency applicatio…

Cons:
– Not very durable and has fragile elements, poor flex life, and virtually no mech…
– Not suitable for high-flex applications
– May not provide the same level of mechanical strength as braided shielding
– Termination can be more challenging compared to braided shielding[4]

China Copper Foil Shielding & RF Shielded Doors factories

Popular Design for Excellent Shielding Performance EMI …

Product Details: The copper foil tape is designed for applications requiring reliable point-to-point electrical contact, particularly for EMI shielding, grounding, and static draining. It features a copper carrier with a coating of solvent glue, and it comes in single and double conductive tape varieties, with options for embossing and electrolysis/nickel plating. The tape is used mainly for various electric products, including transformer high frequency transmission and insulating interference of electromagnetic waves and radio waves.

Pros:
– Strong adhesive force and good electrical conductivity
– Excellent shielding performance against electromagnetic interference and radio f…
– Easy to fit and use, with anti-aging properties
– Suitable for tortuous use and various complex application environments
– Protects bodies from electromagnetic waves and avoids function affects from extr…

Cons:
– The conductive adhesive is not capable of carrying a significant amount of curre…
– No specific mention of durability or lifespan under extreme conditions

China Factory for Single Shiny Copper Foil – Shielded ED …

Product Details: The electrolytic copper foil for shielding produced by CIVEN METAL is made with high purity copper, allowing it to effectively shield electromagnetic signals and microwave interference. The foil is produced through an electrolytic process, enabling a maximum width of 1.2 meters (48 inches) and a thickness range of 9μm – 105μm. It has a flat shape and can be molded to other materials. The copper foil is resistant to high temperature oxidation and corrosion, making it suitable for harsh environments. It meets the requirements of IPC-4562 standard II and III. Key specifications include Cu content ≥99.8%, tensile strength ≥28 Kg/mm

at room temperature, and elongation ≥5.0% at room temperature. The foil also has good moisture resistance, chemical resistance, thermal conductivity, and UV resistance.

Pros:
– High purity copper for effective electromagnetic shielding
– Wide range of thickness (9μm – 105μm) and width (up to 1290mm)
– Resistant to high temperature oxidation and corrosion
– Good moisture resistance, chemical resistance, thermal conductivity, and UV resi…
– Meets IPC-4562 standard II and III
– Easy to etch and mold to other materials
– High peel strength and no copper powder transfer
– Suitable for various applications including transformers, cables, cell phones, c…

Cons:
– Quality assurance period is limited to 90 days from the date of receipt
– Rz value of copper foil gross surface is a test stable value, not a guaranteed v…

Copper Shielding Tape Price Size Customized

China Copper Foil Shielding Tape Manufacturers and Factory …

Product Details: Copper foil shielding tape is composed of a deadsoft copper foil backing with a pressure-sensitive acrylic adhesive. It is designed for EMI/RFI shielding and provides reliable metal-to-metal contact through its embossed pattern. The tape is supplied on a removable liner for easy handling and die-cutting. It is available in various widths and custom configurations. The tape is rated for applications requiring efficient shielding and conductive connections, such as in electronic devices, electrical connections, and industrial fields.

Pros:
– Excellent electrical conductivity for efficient current conduction and good elec…
– Efficient shielding effect against electromagnetic interference and radio freque…
– Good adhesion on various surfaces due to high-quality pressure-sensitive adhesiv…
– Strong durability and stability, capable of withstanding high temperature and hu…
– Versatile applications in electronic device protection, electrical connections,…

Cons:
– May require careful handling to avoid damage to the embossed pattern and adhesiv…
– Not suitable for corrosive conditions due to the use of unplated copper.
– Limited voltage rating; for example, the 3M 1181 tape is rated for 600V dry appl…

China Copper Foil Shielding Tape

Product Details: Copper foil shielding tape is made from high-quality copper foil coated with an electrically conductive acrylic adhesive. It typically has a foil thickness of 0.035mm (1.4 mil) and an adhesive thickness of 0.025mm (1.0 mil), resulting in a total thickness of 0.060mm (2.4 mil). The tape is supplied on a removable silicone liner and has good high and low temperature resistance (-20°C to +155°C or up to +311°F). It is RoHS compliant and meets various military and industrial standards such as MIL-T-47012 and UL510[1][3][5].

Pros:
– Excellent electrical conductivity, efficiently conducting current and achieving…
– Efficient shielding effect against electromagnetic interference and radio freque…
– Good adhesion on various surfaces due to high-quality pressure-sensitive adhesiv…
– Strong durability and stability, capable of withstanding high temperature and hu…
– Versatile applications in electronic device protection, electrical connections,…
– Easy to handle, can be die-cut, and is solderable.

Cons:
– Requires warming up if stored below the minimum recommended temperature before u…
– May need up to 24 hours to reach optimal usability after warming up.
– Users must consult the Health & Safety Data Sheet before use.

Copper Foil Tape With Conductive Adhesive for EMI …

China Copper Tape Manufacturer, Adhesive …

Product Details: Self-adhesive copper tape is available in various thicknesses: 0.018 mm, 0.025 mm, 0.03 mm, 0.05 mm, 0.06 mm, 0.075 mm, 0.08 mm, 0.1 mm, 0.13 mm, 0.15 mm, and 0.2 mm. The width can be customized from 3 mm to 600 mm. The material is CU 99.98% with a conductive acrylic adhesive. It has a heat resistance range of -10℃ to 120℃, a breaking strength of 4.5-4.8 kg/mm, and an elongation of 7%. The tape is used for electromagnetic shielding, anti-static applications, grounding paths on transformers, and adhering LED strips to various surfaces[1][3][5].

Pros:
– High electrical conductivity and low resistance
– Excellent conformability and shielding ability
– Strong and long-lasting adhesion
– Good temperature resistance up to 120℃
– Versatile applications including EMI/RFI shielding, static charge draining, and…
– Durable and resistant to weather and chemical corrosion
– Competitive pricing without compromising on performance

Cons:
– No significant cons mentioned for the self-adhesive copper tape itself, but gene…

Professional China Ipc-4562 Copper Foilcopper Foil Shielding …

Product Details: The Hyper Very Low Profile Copper Foil is designed for high-speed digital applications. It features an ultra-low profile with high peel strength and good etchability, achieved through the use of low coarsening technology. The foil has a nominal thickness of 12, 18, or 35 μm and an area weight of 107±5, 153±7, or 285±10 g/m², respectively. The purity of the copper is ≥99.8%. The foil has a shiny side roughness of ≤0.43 μm and a matte side roughness of 1.5-2.0 μm. It exhibits tensile strength of ≥300 MPa at room temperature and ≥180 MPa at 180°C, with elongation of ≥5%

at room temperature and ≥6% at 180°C. The peel strength is ≥0.6 N/mm, and the foil is resistant to oxidation for 90 days at room temperature and 40 minutes at 200°C[3].

Pros:
– Ultra-low profile with high peel strength and good etchability
– Suitable for high-frequency transmission circuits and high-speed digital applica…
– High purity (≥99.8%) and good mechanical properties (tensile strength and elonga…
– Low roughness on both shiny and matte sides
– Resistant to oxidation
– Ideal for base stations, servers, and other high-speed digital products

Cons:
– Specific applications may require additional processing or treatment
– Higher cost compared to standard copper foils due to advanced technology and pro…
– Limited availability and specialized handling may be required

Comparison Table

Frequently Asked Questions (FAQs)

Frequently Asked Questions About Copper Foil Shielding Factories in China

What types of copper foil are typically produced by Chinese manufacturers?

Chinese manufacturers produce several types of copper foil, including electrodeposited copper foil, rolled annealed (RA) copper foil, high-temperature rolled annealed (HTRA) copper foil, and ultra-thin copper foil. Each type has its own unique characteristics and is suited for different applications, such as high-performance electronics, flexible printed circuit boards, and specialized uses like RFID tags and smart cards.

How is copper foil manufactured in these factories?

The manufacturing process involves several steps, including casting molten copper into large slabs, rolling the slabs to the desired thickness, and annealing to improve flexibility and remove internal stresses. The copper is then further processed to achieve specific surface qualities, such as matte, half-matte, or shiny finishes, before being spooled into rolls of varying widths and lengths.

What are the common applications of copper foil produced by these factories?

Copper foil from these factories is widely used in various applications. It is a crucial component in the manufacturing of printed circuit boards (PCBs), used in lithium-ion batteries as a current collector, and employed for electromagnetic shielding to prevent EMI and RFI. Additionally, it is used in electrical transformers, stained glass art, and other electronic devices.

How can I ensure the quality of the copper foil from a Chinese manufacturer?

To ensure quality, you should ask about third-party audits and quality control processes. Reputable manufacturers will have completed audits to confirm their ability to produce high-standard products. You can also inquire about their experience in supplying to different markets, as this can indicate their adherence to various quality standards.

Can I customize the copper foil to meet my specific needs?

Yes, many Chinese manufacturers offer customization options for copper foil. You can request specific thicknesses, surface finishes, and adhesive types to suit your project requirements. Manufacturers like Hopelight pride themselves on providing tailored solutions, ensuring the copper foil meets your unique needs for applications such as circuitry, electrical conductivity, or decorative purposes.