High Purity Graphite Powder
High Purity Graphite Powder is a refined graphite material with high carbon content, low ash, controlled impurity levels, and selectable particle size for conductive, metallurgical, refractory, battery-related, and specialty industrial applications.
Low Ash Control
Conductive Material Use
Custom Grade Selection
PARTICLE SIZE
D50 2–40 μm by Grade
PURITY / FIXED CARBON
99.0%–99.99% Carbon by Grade
ASH CONTENT
Low Ash / Sulfur Controlled by Grade
MOISTURE
≤0.1%–0.5% by Grade
PRODUCT SPECIFICATIONS AND 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 sample evaluation, pilot testing, and bulk supply according to different purity and particle size requirements.
Table of Contents
Show Table of Contents
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 sample testing, pilot trials, 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
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 sample evaluation, pilot validation, 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
- Sample quantity, 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 sample 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. Sample support, pilot testing, 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.
PRODUCT
Synthetic Graphite Powder
Synthetic Graphite Powder is an engineered carbon material with high carbon content, low ash options, controlled particle size, and stable conductive performance for conductive fillers, friction materials, metallurgy, battery-related materials, and industrial compounds.
PRODUCT
Natural Graphite Powder
Natural Graphite Powder is a carbon-based industrial raw material processed from natural flake or amorphous graphite for refractory materials, friction products, conductive fillers, sealing compounds, metallurgy, and general industrial carbon systems.
PRODUCT
Micronized Graphite Powder
Micronized Graphite Powder is a fine graphite material with controlled particle size distribution for coatings, inks, lubricants, conductive fillers, polymers, friction materials, and industrial formulations.
PRODUCT
Natural Flake Graphite
Natural Flake Graphite is a natural crystalline graphite material with distinct flake-like morphology, commonly specified by flake size, carbon content, ash level, and downstream processing requirements. It is suitable for refractories, friction materials, conductive systems, lubricants, sealing materials, battery-related processing, and other industrial formulations.
PRODUCT
Expandable Graphite
Expandable Graphite is an intercalated flake graphite material that expands under heat, forming a worm-like carbon structure for flame-retardant systems, sealing materials, graphite foil production, coatings, and industrial formulations.