Pitch-Based Graphite Felt
Max Graphite supplies pitch-based graphite felt to engineers and procurement teams operating in semiconductor, heat treatment, and broader high-temperature process industries, where contamination control and dimensional consistency are direct process variables. We manufacture both soft and rigid forms in-house — from precursor fiber through purification — and machine hot-zone components, furnace liner kits, and complex geometries to drawing.
Pitch-Based Graphite Felt for Crystal Growth and Contamination-SensitiveHot Zones
Pitch-basedgraphite felt is specified in the most contamination-sensitive thermal environments — Czochralski silicon crystal growth, epitaxial resistance furnaces, vacuum sintering, and aerospace-qualified vacuum heat treatment lines— where impurity migration and outgassing compromise yield and process integrity. Mesophase pitch precursor fibers deliver lower thermal conductivity at process temperature and tighter residual-element control, which is why high-purity vacuum heat treatment and first-generation silicon programs call this material out by name. Max Graphite produces soft and rigid pitch-based felt in continuous high-temperature furnaces, with downstream purification, surface coatings, and CNC machining of full hot-zone kits.
- Soft and Rigid Forms in One Supply Stream: Softfelt rolls, rigidized boards, cylinders, and machined geometries produced underone roof simplify qualification and procurement.
- Grade Selection Across Heat-Treat and Form:Long-fiber pitch grades for resistance-furnace insulation are suppliedalongside high-purity grades for crystal-growth and contamination-sensitiveapplications.
- Purity Engineered for Yield-Critical Processes:In-house high-temperature purification reduces residual impurities to levelssuitable for first-generation silicon and aerospace-qualified vacuum lines.
- Production Capacity for Series-Build Programs:Direct manufacturing from precursor fiber through graphitized board supportslong-running replacement-cycle SLAs, not project-by-project quotes.
- Engineering and Qualification Support: Hot-zoneredesigns, surface coatings, and drawing-to-part CNC machining are handledin-house, with technical liaison through every program phase.
Why Buyers Choose Max Graphite
- Single-source production from precursor fiber tomachined part. No outsourced pressing or subcontracted graphitization.
- Direct manufacturing capacity behind every supplycommitment. We size to your replacement cycle, not to our quote book.
- Specification engineering, not catalog selling.We work to your hot-zone drawings and qualification standards.
Applications
Semiconductor — silicon crystal growth (Czochralski) furnaces, epitaxial resistance and diffusion furnaces
Heat Treatment — vacuum sintering and high-pressure gas-quench furnaces, aerospace-qualified vacuum brazing and heat treatment lines
Industrial Furnaces — graphitization, pyrolysis, and specialty atmosphere furnaces
Research & Qualification — high-temperature testing rigs and prototype hot-zone builds
