High-purity graphite consumables for semiconductor manufacturing, from SiC crystal growth crucibles to complete vacuum furnace hot zones.
Use this page as a pre-RFQ navigator: compare material properties, purification limits (Ash < 10ppm), and matching insulation components to streamline your procurement process.
High-purity isostatic graphite crucible bodies, lids, liners, sleeves, and holder interfaces tailored for SiC PVT sublimation growth.
Semiconductor crystal growth laboratories, SiC wafer manufacturers, and PVT furnace operators qualifying repeatable crucible consumables.
Purified graphite crucibles for SiC crystal growth, vacuum furnaces, and semiconductor hot-zone consumables requiring low ash and low metal impurities.
Process engineers and procurement teams qualifying purified graphite crucibles for repeat furnace consumption.
Dense, uniform isostatic graphite crucibles machined for stable high-temperature crystal growth and vacuum furnace duty.
Furnace builders and crystal growth teams replacing consumable graphite crucible sets by drawing.
Drawing-based graphite crucible assemblies for Physical Vapor Transport (PVT) SiC sublimation growth, including body, lid, liner, sleeve, and seed-holder interfaces.
PVT furnace operators and SiC process engineers qualifying repeatable crucible consumables.
Tantalum carbide coated graphite crucibles for contamination-sensitive SiC PVT growth, carbon-source isolation, and longer hot-zone consumable life.
SiC wafer manufacturers and crystal growth teams evaluating TaC-coated consumables to reduce graphite interaction and extend replacement intervals.
Porous graphite components with conformal CVD TaC coating for SiC PVT gas-flow support, particle control, and source-area thermal-field tuning.
Crystal growth process engineers tuning vapor transport, source behavior, and particle risk in SiC PVT reactors.
CVD-SiC coated graphite susceptors and wafer carriers for SiC epitaxy, GaN-on-Si MOCVD, LED, and compound semiconductor processing.
Epitaxy process engineers, equipment maintenance teams, and procurement groups replacing coated graphite wafer carriers by drawing.
CVD-SiC coated graphite susceptors and process carriers for MOCVD, epitaxy, wafer handling, and contamination-sensitive semiconductor furnace interfaces.
Epitaxy process engineers and equipment maintenance teams replacing coated graphite susceptors by drawing.
Complete graphite hot zone assemblies including heaters, susceptors, shields, support rings, crucible interfaces, and insulation for SiC PVT and high-temperature vacuum furnaces.
Furnace builders, SiC process engineers, and maintenance teams replacing graphite hot-zone consumables.
Custom graphite susceptors for SiC PVT, MOCVD, epitaxy, and vacuum furnace thermal-field assemblies.
Equipment OEMs and process engineers specifying thermal coupling, wafer support, or furnace susceptor geometry.
Machined graphite heaters and heating elements for crystal growth, high-temperature vacuum furnaces, and resistance-heated hot zones.
Furnace OEMs and maintenance teams replacing or redesigning graphite heating elements.
PAN-based soft and rigid carbon felt insulation for SiC PVT, crystal growth, and high-temperature vacuum furnace hot zones.
Thermal engineers and furnace operators specifying insulation fit, purity, and replacement cycle.
Soft and rigid graphite felt insulation for SiC crystal growth furnaces, vacuum hot zones, and high-temperature thermal-field systems.
Thermal engineers and furnace operators specifying insulation life, heat loss, and outgassing behavior.
High-purity graphite lids, covers, sleeves, liners, and matching crucible interfaces machined for SiC PVT growth and high-temperature vacuum furnace consumables.
PVT process engineers and furnace maintenance teams replacing graphite crucible subcomponents by drawing.
Rigid carbon felt boards, cylinders, rings, and insulation shapes for SiC PVT hot zones, vacuum furnace thermal fields, and high-temperature semiconductor furnaces.
Thermal engineers, furnace builders, and maintenance buyers specifying insulation stability and repeat replacement schedules.
Drawing-based CNC machining for high-purity isostatic graphite parts used in SiC crystal growth, wafer processing, MOCVD, and high-temperature semiconductor furnaces.
Semiconductor equipment OEMs, process engineers, and procurement teams qualifying custom graphite components from drawings.
High-strength silicon carbide graphite crucibles for melting aluminum, copper, gold, silver, brass, and other non-ferrous metals in induction, gas-fired, and resistance furnaces.
Foundry managers, casting engineers, and metal refinery procurement teams replacing crucibles on a regular consumption cycle.
Traditional clay-bonded graphite crucibles for foundry melting, precious metal refining, and laboratory assay applications requiring reliable thermal shock resistance and chemical stability.
Precious metal refiners, assay laboratories, jewelry foundries, and small-batch casting operations ordering crucibles on regular replacement cycles.
Self-bonded recrystallized silicon carbide beams, setters, plates, and kiln furniture for high-temperature ceramic sintering, powder metallurgy, and industrial kiln applications up to 1650°C.
Kiln operators, ceramic manufacturers, powder metallurgy plants, and industrial furnace integrators replacing kiln furniture on wear and deformation cycles.
| Product Family | Primary Buyer Focus | Key Metric | Why It Matters |
|---|---|---|---|
| SiC Crystal Growth Crucible | Semiconductor crystal growth laboratories, SiC wafer manufacturers, and PVT furnace operators qualifying repeatable crucible consumables. | Ash Content: < 10ppm; < 5ppm reviewed by application | Lower ash and controlled trace metals reduce contamination risk during high-temperature SiC sublimation growth. |
| High-Purity Graphite Crucible | Process engineers and procurement teams qualifying purified graphite crucibles for repeat furnace consumption. | Ash Content: < 10ppm; < 5ppm by RFQ | Lower ash and metal residues reduce impurity transfer during high-temperature crystal growth. |
| Isostatic Graphite Crucible | Furnace builders and crystal growth teams replacing consumable graphite crucible sets by drawing. | Bulk Density: Approx. 1.80-1.90 g/cm3 by grade | Uniform density helps stabilize heat transfer and mechanical strength during repeated cycles. |
| SiC PVT Crucible | PVT furnace operators and SiC process engineers qualifying repeatable crucible consumables. | Purity Target: < 10ppm; < 5ppm reviewed by application | SiC PVT growth is sensitive to metal impurities and outgassing from graphite consumables. |
| TaC Coated Graphite Crucible | SiC wafer manufacturers and crystal growth teams evaluating TaC-coated consumables to reduce graphite interaction and extend replacement intervals. | TaC Coating Route: CVD TaC; thickness defined by RFQ | Dense coating can reduce direct graphite exposure and particle risk in high-temperature SiC growth environments. |
| Porous Graphite with TaC Coating | Crystal growth process engineers tuning vapor transport, source behavior, and particle risk in SiC PVT reactors. | Porosity: Application-specific; common programs review 15-18% | Porosity affects vapor transport, thermal behavior, strength, and particle risk. |
| MOCVD Susceptor & Wafer Carrier | Epitaxy process engineers, equipment maintenance teams, and procurement groups replacing coated graphite wafer carriers by drawing. | Coating Selection: CVD SiC or TaC by process chemistry | Coating choice affects chemical resistance, particle behavior, and wafer contamination risk. |
| CVD-SiC Coated Graphite Susceptor | Epitaxy process engineers and equipment maintenance teams replacing coated graphite susceptors by drawing. | Coating Route: CVD SiC on isostatic graphite by RFQ | A dense coating reduces direct graphite exposure, particle risk, and corrosive gas attack in epitaxy environments. |
| Graphite Hot Zone | Furnace builders, SiC process engineers, and maintenance teams replacing graphite hot-zone consumables. | Max Operating Temp: Up to 2800°C | Graphite grade, heater geometry, and insulation stack must match repeated high-temperature cycling. |
| Graphite Susceptor | Equipment OEMs and process engineers specifying thermal coupling, wafer support, or furnace susceptor geometry. | Thermal Uniformity: Defined by furnace and geometry | Uniform heat transfer reduces process variation across wafer or crucible interfaces. |
| Graphite Heater | Furnace OEMs and maintenance teams replacing or redesigning graphite heating elements. | Resistance Control: Project-specific by geometry and grade | Stable resistance reduces uneven heating and helps protect furnace recipes. |
| PAN Carbon Felt Insulation | Thermal engineers and furnace operators specifying insulation fit, purity, and replacement cycle. | Insulation Format: Soft felt, rigid board, cylinder, ring, or custom shape | Format determines installation fit, heat-loss control, and replacement speed inside the hot zone. |
| Graphite Felt Insulation | Thermal engineers and furnace operators specifying insulation life, heat loss, and outgassing behavior. | Insulation Format: Soft felt, rigid felt board, cylinder, or ring | Format controls installation fit, thermal gradient stability, and replacement workflow. |
| Graphite Crucible Lid & Cover | PVT process engineers and furnace maintenance teams replacing graphite crucible subcomponents by drawing. | Assembly Fit: Defined by drawing and mating crucible interface | Lid, liner, and sleeve fit influence vapor containment, thermal symmetry, and repeatability. |
| Rigid Carbon Felt Board | Thermal engineers, furnace builders, and maintenance buyers specifying insulation stability and repeat replacement schedules. | Insulation Format: Rigid board, cylinder, ring, or custom formed part | The format determines installation fit, thermal gradient stability, and replacement workflow. |
| Semiconductor Graphite Machining | Semiconductor equipment OEMs, process engineers, and procurement teams qualifying custom graphite components from drawings. | Machining Tolerance: Project-specific; tight features reviewed by drawing | Tolerance stack-up affects drop-in fit, sealing, wafer seating, and thermal-field repeatability. |
| Silicon Carbide Graphite Crucible for Metal Melting | Foundry managers, casting engineers, and metal refinery procurement teams replacing crucibles on a regular consumption cycle. | Max Service Temperature: 1400-1600°C (oxidizing); 1800°C+ (inert) | Temperature ceiling determines crucible material grade, glaze route, and expected service life per furnace type. |
| Clay Graphite Crucible | Precious metal refiners, assay laboratories, jewelry foundries, and small-batch casting operations ordering crucibles on regular replacement cycles. | Graphite Content: High natural flake graphite ratio | Higher graphite content improves thermal conductivity, reduces melt-down time, and enhances thermal shock resistance. |
| Recrystallized Silicon Carbide (RSiC) Kiln Furniture | Kiln operators, ceramic manufacturers, powder metallurgy plants, and industrial furnace integrators replacing kiln furniture on wear and deformation cycles. | Max Continuous Use Temperature: 1650°C in oxidizing atmosphere | RSiC maintains full mechanical strength and zero creep at temperatures where conventional SiC ceramics begin to soften. |
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