Your Professional Graphite Sheet Supplier

 

Qingdao Jiuzhengyuan Graphite Technology Co., Ltd. was established in 2013 and located at No. 58 Jing'er Road, Pingdu Economic Development Zone, Qingdao, Shandong Province. It is a comprehensive enterprise integrating research and development, production, and processing, with advanced mechanical production and processing equipment.

 

Our product line includes conductive graphite sheets, conductive graphite films, flexible graphite papers, graphite bipolar plate pre-pressing plates, high-purity graphite, expandable graphite, flake graphite, graphite tapes, and graphite gaskets, among others.

 

 
  • Pure Expanded Flexible Graphite Sheet
    Pure Expanded Flexible Graphite Sheet is a high-purity flexible sheet material made from natural flake graphite that is chemically intercalated, expanded at high temperatures, and then rolled. It
  • High-purity Graphite Sheet
    High-purity graphite sheet, with ≥99% carbon content, boasts chemical inertness, 300℃ heat resistance and tight sealing. Ideal for chemical/energy sealing/anti-corrosion, ensuring stable equipment
  • Heat-Dissipating Graphite Sheet
    High-performance heat-dissipating graphite sheet features high in-plane thermal conductivity, low thermal resistance, ultra-thin and lightweight design. It supports high-temperature resistance and
  • Graphite Sheet Material
    Graphite Sheet Material: High-purity, flexible, ultra-thin thermal conductive sheet. Excellent heat dissipation, high conductivity, lightweight, corrosion-resistant. Ideal for electronics,
  • Thin Graphite Sheet
    Thin Graphite Sheet features ultra-thin profile, high in-plane thermal conductivity, excellent flexibility & chemical stability. Ideal for thermal management in electronics, automotive, aerospace.
  • Molded Graphite Sheet
    Molded Graphite Sheet is made from high-purity graphite powder via advanced pressing technology, featuring high thermal conductivity, excellent electrical insulation, wide temperature resistance,
  • Electrically Conductive Graphite Sheet
    Electrically Conductive Graphite Sheet, made of high-purity graphite via high-temp rolling/graphitization, features efficient conduction, flexibility, conduction-heat dual function, eco-friendliness,
  • Oxidation-resistant Graphite Sheet
    The oxidation-resistant graphite sheet is based on high-purity graphite, coated with a nano anti-oxidation layer. It resists high temperatures up to 1000°C, features strong thermal conductivity and
  • Thermally Conductive Graphite Sheet
    The highly thermally conductive, thin, light and flexible Thermally Conductive Graphite Sheet supports customization, adapts to complex structures, efficiently solves heat dissipation problems of
 
Why Choose us
 

Advanced Production Equipment
Our facility is equipped with an ultra-thin graphite paper production line, sealed graphite paper production line equipment, spherical graphite production line equipment, high-purity graphite production equipment, expandable graphite production line equipment, graphite drying equipment, high-temperature graphene expansion furnaces, high-density graphite block manufacturing equipment, and more.

 

Customer-focused
We have established a 12-hour customer response mechanism aimed at ensuring timely resolution of customer issues and enhancing overall customer satisfaction.

 

Excellent Team
Our company has assembled an expert team with many years of experience in research, development, and production. This team has contributed to the comprehensive enhancement of both production equipment and product performance.

 

Parameter

 

Parameter Category

Specific Details

Carbon Content

C≥99.9%

C≥99%

C≥95%

Temperature Resistance Range

Long-term -200~300℃, short-term ultimate temperature resistance 350℃

Density

1.8-2.1g/cm³

Thermal Conductivity (Room Temperature)

150-200W/(m·K)

Leakage Rate

≤0.01MPa (under static sealing conditions)

Corrosion Resistance

Soaked in 20% sulfuric acid/sodium hydroxide solution for 30 days, mass change rate ≤0.5%

Conventional Thickness

0.1-5mm, customizable with 0.05mm ultra-thin specifications or multi-layer composite structures

Maximum Size

Maximum single sheet size 1000×2000mm, supporting splicing processing

★Products support customization 

 

Customization Process

 
 
01
 

Communication Needs

Custom size can be tailored to meet specific customer requirements. Please provide your customization concepts and detailed specifications for further discussion.

 
02
 

Production Execution

Following the confirmed design, we implement meticulous production processes with strict quality control at every stage, ensuring consistency and precision before proceeding to mass production.

 
03
 

Quality Inspection and Packaging

Upon completion of the product, a comprehensive three-stage inspection process is conducted to ensure quality standards are met. Subsequently, the products are packaged in accordance with your specified requirements.

 
04
 

Delivery Assurance

We ensure timely delivery of the products within the agreed timeframe as per the contract terms.

Oxidation-resistant Graphite Sheet

Benefits of Graphite Sheet

 
Heat Management

Graphite sheets are excellent at managing heat. They assist in the reduction of high temperature zones in a machine to minimize the common problem of wearing out of machines. This makes them especially suitable for use in electronics and other products that are sensitive to heat.

Stopping power

Graphite sheets are versatile and effective at preventing leaks in various systems. This ability to stop leakage makes them valuable in plumbing, automotive, and industrial applications where maintaining integrity is crucial.

Reduced thermal expansion

One of the standout features of graphite sheets is their stability under temperature changes. Unlike many materials that expand or contract with heat, graphite sheets remain stable. This prevents distortion and maintains the integrity of the parts they are used in, ensuring consistent performance.

Chemical resistance

Graphite sheets are chemically stable, meaning they can resist damage and maintain their properties even under extreme conditions. This resistance makes them hardier and more reliable in harsh environments, where other materials might fail.

 

Types of Graphite Sheets

Flexible graphite sheets

These sheets are of fine finish and can be used as sealing gaskets.

 

Thermal graphite sheets

Unlike other materials it is designed and utilized for controlling heat in a precise manner; that is why it was applied in such areas as electronics or motor production for heat transfer.

 

High-Temperature Graphite Sheets

These sheets can withstand high heat temperatures, and are usually placed in areas of high temperatures.

Electrical Conductive Graphite Sheets

These sheets are for transferring electricity and are employed in electric items.

Synthetic Graphite Sheets

They are synthesized in laboratories and are chemically more refined and possess characteristics that fit the required uses.

Graphite Foil Sheets

These are vey thin and flexible, employed in relatively close tolerance extrusions for thermal and electrical uses.

 

Application of Graphite Sheet
 

Thermal Management

Manufacturers usually use these conductive materials in making thermal interface materials. They help to transfer heat away from components in devices, which ensures the best performance and prevents overheating.

 

Sealing and Gasketing

In various machinery and industrial applications, flexible graphite is frequently used as seals and gaskets. These provide resistance against high temperatures and corrosion. That’s why these are suitable for applications in the automotive, petrochemical industries, and aerospace.

 

Lubrication

Lubrication is an ordinary property of graphite sheets. It makes it effective in reducing friction in moving parts. Manufacturers widely use the carbon-based sheet in machinery components and automotive parts to improve performance and reduce wear and tear.

 

The fuel cells and storage devices

Battery storage methods often include conductive graphite sheet. For the anodes of lithium-ion batteries, these are crucial. Lithium ions must flow across them for energy to be stored and released.Fuel cellsuse them because of their conductive qualities.

 

Composite Materials

Composite substances are used in the sheets. Further, these substance enhances the health and thermal durability. Almost all industries all over the world are using thesesheetsin products. Lightweight and durable are the characteristics due to which it is used in wide areas.

 

Renewable Energy

The demand for green power keeps growing rapidly. The sheets of graphite are vital in this transformation. Moreover, solar panels and wind turbines are made up of these graphite sheets. Because they are carbon-based materials that enhance energy conversion, resulting in more effective and sustainable renewable energy technologies.

 

Additional Information

 

Shipping

We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination.

Terms Of Payment

We usually accept T/T, L/C, Paypal, Credit card, etc. If you prefer other payments terms, please feel free to discuss with us

FAQ

 

Q: Is the High Temperature Suitable for Graphite Sheets?

A: Yes, it is to be noted that graphite sheets possess the ability to work at relatively high temperatures and therefore can cater extreme conditions such as aerospace and automotive industries.

Q: Are Graphite Sheets Conductive?

A: Yes, they conduct both electricity and heat, making them useful for electronics and thermal management.
Understanding graphite sheets helps you choose the right solution for managing heat or creating seals in your projects.

Q: Is graphite stronger than aluminum?

A: On the Mohs scale, Aluminum ranges between 2.5 and 3. This makes it more durable and able to withstand deformation better than graphite.

Q: Is graphite corrosive to aluminum?

A: Graphite is the material used in pencils and, surprisingly enough, is extremely corrosive to the aluminum and aluminum alloys that are used to create metal roofs.

As one of the most professional graphite sheet manufacturers in China, we're featured by cheap products and good service. Please rest assured to buy customized graphite sheet at competitive price from our factory. Contact us for free sample.

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