Your Professional Graphite Roll 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.
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![High-purity Graphite Roll]()
High-purity Graphite RollHigh-purity graphite roll with ≥99% carbon content offers high-temperature resistance, chemical inertness, and excellent thermal/electrical conductivity. Ideal for industrial sealing, electronic heat -
![Reinforced Graphite Roll]()
Reinforced Graphite RollReinforced Graphite Roll features high thermal conductivity, self-lubrication and excellent sealing performance. Custom sizes are available, widely used for flange and valve sealing in -
![Graphite Sealing Roll Material]()
Graphite Sealing Roll MaterialGraphite Sealing Roll Material, made from high-purity flake graphite, has good sealing, temperature resistance and flexibility, used in energy, petrochemical and other industries.. MOQ:2000㎡. -
![Corrosion-Resistant Graphite Roll]()
Corrosion-Resistant Graphite RollCorrosion-resistant graphite rolls are made from high-purity flake graphite via high-temperature expansion and rolling. They resist acid and alkali corrosion (pH 0-14), tolerate high and low -
![Graphite Roll Material]()
Graphite Roll MaterialGraphite roll material are made from high-purity flake graphite via high-temperature expansion and rolling, featuring high thermal conductivity , extreme temperature resistance , corrosion resistance
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 |
Specification |
|
Carbon Content |
C≥99.9% C≥99% C≥95% |
|
Density |
1.6-2.2 g/cm³ |
|
Operating Temperature |
-200℃ to 800℃ (≤1000℃ in inert environment) |
|
Thickness |
0.1-5mm (tolerance: ±0.05mm) |
|
Width |
500-2000mm |
|
Maximum Length |
50m (longer rolls customizable) |
|
Density |
1.8-2.1g/cm³ |
|
Thermal Conductivity |
150-250W/(m·K) (in-plane, room temperature) |
|
In-plane Resistivity |
≤0.002Ω·cm |
|
Compressibility |
20-30% (under 30MPa load) |
|
Creep Rate |
≤2% (under 30MPa pressure for 24 hours) |
|
Corrosion Resistance |
30-day immersion in 20% sulfuric acid/sodium hydroxide solution: mass loss ≤0.5% |
★Products support customization
Ordering Process
6 standardized and easy steps from getting a quote to shipment.
Get a Quote
Please request a quote through our website and inquire about customization options.
Request Sample
Please request samples in advance to gain a comprehensive understanding of the product's materials and features prior to placing bulk orders.
Place Your Order
Place an order of your choice after selecting your preferred shipping option.
Start Production
Production will commence after design approval; it takes about 3-4 weeks.
Quality Inspection
After production is complete, the products undergo quality testing.
Shipping
The order is ready for dispatch to your location. Once it has been shipped out, we will inform you of the tracking information.
Benefits of Graphite Roll
High-temperature resistance
One of the most notable properties of graphite is its ability to withstand extreme temperatures without degrading. In the automotive industry, parts such as gaskets, seals, and heat shields often face high temperatures, especially in engines, exhaust systems, and brakes. Pure graphite rolls can maintain their structural integrity even when exposed to high heat, making them ideal for high-performance automotive components. Their heat resistance ensures that critical parts continue to function optimally in extreme conditions.
Excellent lubrication properties
Graphite is known for its natural lubrication properties. When used in automotive applications, pure graphite rolls help reduce friction between moving parts, such as pistons, bearings, and camshafts. This not only improves the overall performance of the vehicle but also reduces wear and tear, extending the lifespan of critical engine components. In addition, graphite’s lubrication properties can help reduce fuel consumption by improving the efficiency of internal combustion engines.
Corrosion resistance
Automotive components are often exposed to moisture, salt, and various chemicals, all of which can lead to corrosion. Pure graphite rolls are highly resistant to corrosion, ensuring that components such as seals and gaskets maintain their functionality even in harsh environments. This makes graphite rolls an excellent choice for automotive applications where moisture and chemical exposure are a concern, such as in cooling systems and exhaust systems.
Lightweight and durable
In modern automotive design, weight reduction is a key factor in improving fuel efficiency and overall vehicle performance. Pure graphite is a lightweight material, which makes graphite rolls ideal for use in automotive parts that require strength without adding unnecessary weight. This characteristic helps manufacturers design more efficient, durable, and lightweight components, contributing to better fuel efficiency and performance.
Graphite Foil is an excellent graphite gasket sheet material, used in the automotive, petroleum and chemical, paper, and nuclear industries.
Acts as a thermal barrier at high temperatures to provide outstanding reflectivity.
Graphite Foil is used to make bipolar graphite plates in the fuel cell industry.
Excellent as Graphite Foil seals for sealing high temperature valves, shafts, and flanges.
Excellent linings and protective layer for vessels containing hot or corrosive fluids.
Shipping
We offer various shipping methods, including sea freight, air freight, and express delivery, depending on the order size and destination.
Shipping costs will be calculated based on the destination and weight of the package.
Customers will receive a tracking number once the package has been shipped, so they can track the status of their delivery.
We strive to ship all orders within 2 business days of receiving the payment.
In case of any delays or issues with shipping, our customer service team will promptly communicate with the customer to resolve the problem.
With our careful packaging and efficient shipping methods, you can trust that your products will arrive in perfect condition and on time.
FAQ
As one of the most professional graphite roll manufacturers in China, we're featured by cheap products and good service. Please rest assured to buy customized graphite roll at competitive price from our factory. Contact us for free sample.
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