High Purity Graphite Powder Supplier

Product Details

High Purity Graphite Powder is a refined graphite material produced through raw material selection, grinding, classification, and purification processes designed to achieve higher carbon content and lower impurity levels. Compared with standard graphite powder, high purity grades place more emphasis on low ash content, controlled sulfur level, reduced contaminant profile, and stable batch consistency.

This product can be manufactured from selected natural graphite or other suitable graphite feedstocks and supplied in different grades according to carbon content, purity level, particle size distribution, and application requirements. It is commonly used in conductive materials, thermally conductive systems, powder metallurgy, refractory systems, controlled carbon addition, battery-related material evaluation, and selected high-requirement industrial formulations.

For industrial users, the value of High Purity Graphite Powder is not only its carbon content. Ash level, sulfur content, moisture, particle size distribution, tap density, and batch consistency can all influence processing behavior and final application performance. QDZRT Graphite can support specification review, pilot planning, and bulk supply according to different purity and particle size requirements.

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Key Features

High carbon content with low ash and reduced impurity levels
Suitable for applications requiring cleaner graphite sources and stable formulation quality
Good electrical and thermal functionality in selected industrial systems
Good chemical stability and thermal resistance in demanding processing environments
Available in different high-purity grades according to carbon content and impurity requirements
Better batch consistency for controlled industrial production and quality-sensitive applications
Suitable for conductive, metallurgical, refractory, battery-related, and specialty industrial material systems
Available for specification review, pilot planning, and bulk industrial supply

Technical Parameters

The following values are typical reference ranges for product selection. Final specifications may vary according to raw material source, purification route, particle size distribution, carbon level, ash level, sulfur requirement, and end-use application.

Item	Specification
Product Name	High Purity Graphite Powder
Appearance	Black to dark gray fine powder
Form	Graphite powder
Raw Material Source	Selected natural graphite or suitable graphite feedstock
Carbon / Fixed Carbon	Typically 99.0%–99.99%, depending on product grade
Particle Size D50	Approx. 2 μm – 40 μm depending on grade
Particle Size Distribution	D10 / D50 / D90 can be supplied according to specification requirements
Mesh Reference	325 / 500 / 800 / 1000 / 2000 / 3000 mesh for general commercial reference
Ash Content	Low ash; selected according to product grade and purity requirement
Moisture	Typically ≤0.1%–0.5%, depending on grade and packaging condition
Volatile Matter	Typically ≤0.1%–0.5%, depending on grade
Sulfur Content	Typically ≤0.03%–0.3%, depending on grade and application requirement
Tap Density	Typically 0.6–1.0 g/cm³, depending on particle size and grade
Resistivity	Low-resistivity / high-conductivity grades available upon request
pH Value	Typically 6–9 depending on grade
Application Grade	Conductive Grade / Thermal Grade / Metallurgical Grade / Battery-Related Grade / Customized Grade
Process Compatibility	Suitable for high-requirement industrial formulation and processing systems
Packaging	Standard packaging or customized packaging
Storage	Store sealed in a cool, dry place
MOQ	Negotiable according to grade and order requirement

Typical Commercial Specification Range

High Purity Graphite Powder can be supplied in different commercial grades according to carbon content, impurity control, particle size distribution, ash level, sulfur level, and application target. For fine powder selection, D50 and D90 values are usually more useful than mesh number alone.

Item	Typical Commercial Range	Common Grades / Typical Values
Carbon Content	99.0% – 99.99%	99.0% / 99.5% / 99.9% / 99.95% / 99.99%
Ash Content	≤0.1% – ≤0.01%	≤0.1% / ≤0.05% / ≤0.01%
Moisture	≤0.1% – 0.5%	≤0.1% / ≤0.3% / ≤0.5%
Volatile Matter	≤0.1% – 0.5%	≤0.1% / ≤0.3% / ≤0.5%
Particle Size D50	2 μm – 40 μm	2–4 μm / 5 μm / 10 μm / 20 μm / 40 μm
Mesh Reference	Commercial reference only	325 / 500 / 800 / 1000 / 2000 / 3000 mesh
Sulfur Content	≤0.03% – 0.3%	Low-sulfur grades available according to application
Tap Density	0.6 – 1.0 g/cm³	0.6 – 0.8 g/cm³ for common fine powder grades
Resistivity	Low-resistivity direction	High-conductivity grades available upon request
pH Value	6 – 9	Neutral to slightly alkaline depending on grade
Color	Black	Black powder
Form	Fine graphite powder	Particle behavior depends on raw material and processing route

Specific values can be adjusted according to raw material source, purity grade, particle size target, and end-use requirements. Customized specifications are available for different industrial and functional material applications.

Main Applications

Battery-Related and Electrochemical Materials: High Purity Graphite Powder can be used in selected battery-related and electrochemical material systems where higher carbon content, low ash, and reduced impurity levels are required. The suitable grade should be evaluated according to particle size distribution, purity level, process compatibility, and application target.
Electronic Conductive and Low-Contamination Carbon Systems: This product can be used in selected conductive compounds, anti-static systems, conductive pastes, and electronic material formulations where low impurity content and stable electrical performance are more important than ordinary graphite filler cost efficiency.
Powder Metallurgy and Controlled Carbon Addition: In powder metallurgy and related metallurgical systems, High Purity Graphite Powder can serve as a cleaner carbon additive where tighter impurity control, stable particle behavior, and consistent carbon contribution are required.
Refractory, Metallurgical, and Continuous Casting Materials: It can be used in selected refractory formulations, metallurgical auxiliaries, and continuous casting material systems where high-temperature stability, carbon consistency, and lower impurity levels are important.
Semiconductor-Related and Photovoltaic Process Materials: Selected high-purity grades may be used in supporting material systems related to semiconductor and photovoltaic processing, where cleaner carbon materials and lower contaminant levels are required.
Chemical and Corrosion-Resistant Material Systems: High Purity Graphite Powder may also be used in selected chemical processing, corrosion-resistant compounds, and specialty industrial formulations where chemical stability and raw material cleanliness are important.
High-Purity Sealing and Specialty Carbon Materials: It is suitable for selected high-purity sealing compounds, specialty carbon formulations, and graphite-based industrial materials that require lower ash and more consistent batch quality.

Product Advantages

Higher carbon purity than standard graphite powders
Lower ash, sulfur, and impurity levels for quality-sensitive applications
Cleaner carbon source for conductive, electrochemical, metallurgical, and specialty industrial systems
Suitable for applications where contamination control and batch consistency are important
Flexible specification options for purity grade, ash level, sulfur level, and particle size
Available for specification review, pilot planning, and bulk industrial supply

Recommended Industries

Battery-related and electrochemical materials industry
Electronic conductive materials industry
Semiconductor-related and photovoltaic process materials industry
Powder metallurgy and sintered materials industry
Refractory and continuous casting materials industry
Metallurgical carbon additive industry
Chemical corrosion-resistant materials industry
High-purity sealing materials industry
Specialty carbon materials industry

How to Select the Right High Purity Graphite Powder

Selection should not be based on carbon content alone. Buyers usually need to consider particle size distribution, ash level, sulfur content, moisture, tap density, conductivity requirement, and compatibility with the final process. For fine powder applications, D50 and D90 values are generally more useful than mesh descriptions.

For conductive and electrochemical systems, carbon content, impurity level, particle size, and dispersion behavior should be evaluated together. For powder metallurgy and refractory applications, ash level, sulfur content, carbon contribution, and processing stability may be more important. For cleaner industrial systems, contaminant control and batch consistency should be confirmed before bulk supply.

Inquiry Information Needed

Target application, such as conductive material, battery-related system, powder metallurgy, refractory, or specialty carbon formulation
Required carbon content or purity grade
Particle size requirement, preferably D50 / D90 values if available
Ash content, sulfur content, moisture, tap density, or conductivity requirement
Trial quantity, bulk order quantity, and packaging preference
Any special impurity control, dispersion, or process compatibility requirement

Packaging & Storage

This product is available in standard packaging and customized packaging options, including small-lot packaging, small-batch supply, and bulk industrial packaging. Packaging can be arranged according to grade, particle size, order quantity, transport method, and customer handling requirements.

High Purity Graphite Powder should be stored in a sealed, cool, dry, and well-ventilated environment, protected from moisture and contamination. Proper storage helps maintain product consistency, purity stability, and application performance during practical use.

Customization Service

QDZRT Graphite can provide suitable High Purity Graphite Powder specifications according to different application requirements, including purity grade, carbon content, particle size distribution, ash level, sulfur level, packaging format, and supply volume. Specification review, pilot planning, and bulk order services are available for industrial users, manufacturers, and formulation development customers.

For faster grade matching, buyers are encouraged to provide the target application, required carbon content, expected D50 or D90 value, ash and sulfur requirement, current material reference, trial quantity, and packaging preference. These details help recommend a more suitable high purity graphite powder grade for conductive materials, battery-related systems, powder metallurgy, refractory applications, high-purity sealing, and other industrial uses.

FAQ

What is the difference between high purity graphite powder and standard graphite powder?

High purity graphite powder has higher carbon content and lower ash or impurity levels than standard graphite powder. It is usually selected for applications where cleaner carbon sources, better batch consistency, and lower contamination risk are required.

Is carbon content the only factor when selecting high purity graphite powder?

No. Carbon content is important, but ash content, sulfur content, moisture, particle size distribution, tap density, conductivity requirement, and process compatibility should also be considered according to the final application.

Should I choose by mesh size or D50 value?

For fine graphite powder, D50 and D90 values are usually more useful than mesh size alone. Mesh descriptions can be used as a commercial reference, but particle size distribution data provides a better basis for product selection.

Can high purity graphite powder be used in battery-related materials?

Selected grades can be used in battery-related or electrochemical material systems, depending on purity, particle size distribution, impurity control, and process requirements. Final suitability should be evaluated according to the specific formulation and testing target.

Can the purity and particle size be customized?

Yes. Carbon content, ash level, sulfur level, and particle size distribution can be selected or adjusted according to application requirements. Buyers can provide target specifications or current grade references for matching.

What information should I provide before requesting a quotation?

Please provide the target application, required carbon content, D50 or D90 particle size, ash and sulfur requirements, trial quantity, bulk order quantity, and packaging preference. If there are special impurity or conductivity requirements, those should also be provided.