Glassy Carbon
GRAPHITEMATRIX – Glassy Carbon: High-Purity Components for Extreme Environments
At Graphite Matrix, we offer high-performance glassy carbon materials that combine the unique properties of ceramics, graphite, and glass. These advanced carbon components are engineered for extreme environments—including semiconductor processing, metallurgy, crystal growth, chemical analysis, and biomedical applications.
Available in rods, plates, tubes, and custom crucibles, our glassy carbon products deliver exceptional chemical resistance, high thermal stability, and dimensional integrity.
Key Product Categories
1. Glassy Carbon Crucibles & Containers
Designed for high-purity synthesis, metal melting, and induction casting, our crucibles surpass the performance of conventional ceramic and graphite alternatives.
High temperature resistance – Stable in inert/vacuum atmospheres up to 3000°C
Superior oxidation resistance – Ideal for Pd-based alloys and precious metals
Non-wetting surface – Prevents metal adhesion, minimizes contamination
Exceptional thermal shock resistance – Withstands rapid heating/cooling
Extended service life – Outlasts traditional graphite crucibles
2. Glassy Carbon for Semiconductor Applications
Our glassy carbon components provide clean, particle-free surfaces that support ultra-clean manufacturing in the semiconductor industry.
Crystal growth crucibles (Czochralski & Bridgman methods)
GaAs synthesis boats
Ion implantation parts
Plasma etching electrodes
X-ray mask substrates – High X-ray transmittance
Material Advantages:
High purity – Ultra-low contamination for cleanroom compatibility
Non-porous & gas-impermeable – Comparable to fused silica
No particle shedding – Smooth, polished surface
Isotropic behavior – Consistent performance in all directions
3. Glassy Carbon for Chemical Applications
Glassy carbon vessels and tools are ideal for analytical chemistry and corrosive chemical processing.
Withstands strong acids, alkali melts, and aggressive oxidizers
No memory effect – No absorption or desorption of trace elements
Sample integrity – No contamination during trace-level analysis
Material Highlights
Maximum Operating Temperature: up to 3000°C
High Purity: Suitable for contamination-sensitive processes
Low Thermal Expansion: Excellent dimensional stability
Non-Porous: Gas-tight and vacuum compatible
Smooth Surface: Particle-free performance
ISO 9001:2015 Quality Management
DateJun 25,2025
File Type pdf
File Size 13.9MB
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