Premium fine-grained graphite substrates are available in TSK and GSK grades, engineered for industrial applications where pore structure, mechanical integrity, and compatibility with subsequent impregnation processes are critical requirements. These base substrates provide a stable, high-purity foundation for secondary processing lines aimed at reducing permeability, increasing bulk density, or optimizing chemical and mechanical performance.
Need assistance selecting the optimal grade? Send target specifications, application parameters, or engineering drawings to discuss material suitability and request a competitive quotation.
Comparative Technical Specifications
|
Property |
TSK Grade |
GSK Grade |
|
Bulk Density |
Greater than or equal to 1.70 g/cm3 |
Greater than or equal to 1.72 to 1.78 g/cm3* |
|
Maximum Particle Size |
Less than or equal to 2 mm |
Less than or equal to 0.8 mm |
|
Electrical Resistivity |
Less than or equal to 15 microhm-m |
Less than or equal to 8.5 microhm-m |
|
Flexural Strength |
Greater than or equal to 13 MPa |
Greater than or equal to 15 MPa |
|
Compressive Strength |
Greater than or equal to 28 MPa |
Greater than or equal to 35 MPa |
|
Porosity |
Less than or equal to 24 percent |
Less than or equal to 20 percent |
|
Ash Content |
Less than or equal to 0.3 percent |
Less than or equal to 0.3 percent |
Fine-Grained Graphite Grades for Impregnation
Fine-grained graphite serves as a porous substrate for custom impregnation, where specialized impregnants fill accessible open pores within the carbon matrix.
Purpose of Impregnation: Tailored to reduce fluid permeability, enhance bulk density, or elevate mechanical and chemical resistance.
Material Advantage: Rigorously manufactured TSK and GSK grades balance particle size, density, porosity, strength, and electrical characteristics to match specific impregnant viscosity and processing windows.
Industrial Application Portfolio
Impregnation-ready graphite substrates serve diverse high-performance industrial sectors:
Custom Graphite Components: Raw blanks designed for multi-step machining and post-treatment.
Fluid-Handling and Sealing Systems: Components requiring customized permeability control and chemical compatibility.
Industrial Machinery Parts: Structural components requiring strict adherence to mechanical specifications.
Specialty Electrochemical and Thermal Projects: Applications demanding tailored electrical resistivity and ash purity.
Quality Control and Compliance Assurance
To meet stringent international industrial standards, material batches undergo rigorous verification:
Batch Traceability
Every shipment includes detailed material test reports covering density, porosity, and strength parameters.
Standardized Testing
Properties are measured in accordance with established industrial standards.
Dimensional Inspection
Custom-machined blanks are checked using metrology equipment to ensure compliance with specified tolerances.
Material Supply and Custom Manufacturing Services
Complete industrial supply and machining solutions are tailored to project requirements. When submitting an enquiry, please provide:
Selected Grade: TSK, GSK, or custom property targets.
Supply Form: Blanks, blocks, plates, or custom-machined geometries.
Dimensions: Length, width, height, or diameter tolerances.
Technical Parameters: Density, strength, ash content, or resistivity thresholds.
Processing Details: Impregnating medium (if specified) and machining sequence.
Project Scale: Prototypes, trial batches, or full production volumes.
Frequently Asked Questions
Q: What is impregnation-ready fine-grained graphite?
A: It is a fine-grained graphite substrate intended for further impregnation treatment. The term describes the intended material-processing route and does not imply that the graphite has already been impregnated.
Q: Does impregnation increase graphite density and strength?
A: Impregnation can increase bulk density and improve selected mechanical properties by filling accessible pores. The actual change depends on the original graphite, impregnant, and processing conditions. Specific improvements should be verified rather than assumed.
Q: Can impregnation-ready graphite be machined?
A: Graphite can be machined into industrial components, but the machining sequence should be determined according to the material and impregnation process. Confirm whether parts should be machined before treatment, after treatment, or in multiple stages, particularly when tight tolerances are involved.
Q: How should I choose the correct graphite grade?
A: Start with required final-component properties, then compare available grades for density, particle size, porosity, strength, and electrical resistivity. Provide the intended impregnation medium and operating conditions so that material suitability can be evaluated accurately.
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