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Graphite Components · 10 Product Lines

Graphite Components

Fine-grain isostatic graphite crucibles, custom CNC-machined furnace fixtures and susceptors, casting/sintering molds, rigid and soft carbon insulation felt, pyrolytic graphite, and gas-impermeable vitreous carbon labware.

Specification guidance: Specify bulk density (1.75–1.92 g/cm³), maximum ash content (ppm), average grain size, machined drawing tolerances, operating atmosphere, and optional SiC or pyrolytic coating.
Graphite Components catalog photography
Quick comparison

Graphite Components specification matrix.

Compare SKU codes, chemical formulas, CAS numbers, purity grades, and standard dimensional envelopes.

SKUProduct LineFormulaCAS #Purity / GradeTypical DimensionsRFQ
TB-GR-CRGraphite CruciblesC7782-42-599.9% (Ash <500 ppm) to 99.995% Purified (<20–50 ppm Ash)5 mL lab cups to 50 kg induction melting cruciblesQuote ↗
TB-GR-CNCCustom Graphite ComponentsC7782-42-5Isostatic Grades (1.80–1.92 g/cm³); Purified <5–50 ppm Ash; SiC-Coated5-axis CNC machined from Ø 5 mm pins up to 800 mm furnace ringsQuote ↗
TB-GR-PLGraphite Plates & BlocksC7782-42-5Molded Fine-Grain & Isostatic High-Density (99.9%–99.99% C)Plates 1–100 mm thick; Blocks & Rods cut and surface-ground to sizeQuote ↗
TB-GR-MLDGraphite Ingot Casting & Hot-Press Sintering MoldsC7782-42-5High-Strength High-Density Isostatic Graphite (1.85–1.92 g/cm³)Ingot molds, continuous-casting dies, & SPS / Hot-Press die-punch setsQuote ↗
TB-GR-FLTRigid & Soft Graphite Vacuum Furnace Insulation FeltC7782-42-5≥99.0%–99.9% Graphitized PAN / Rayon Carbon (<100–500 ppm Ash)Soft rolls/mats 3–20 mm thick; Rigid boards/cylinders 10–100 mm thickQuote ↗
TB-PG-GCPyrolytic Graphite & Glassy (Vitreous) CarbonC7440-44-0≥99.999% (5N CVD Pyrolytic Graphite & Polymeric Glassy Carbon)PG plates 0.5–12 mm; Glassy carbon rods, plates, wafers, & cruciblesQuote ↗
TB-GR-SICCVD SiC-Coated & TaC-Coated Graphite Susceptors, Wafer Carriers & HeatersC + CVD β-SiC (80–150 µm) / TaC409-21-2< 5 ppm Purified Isostatic Graphite + 6N CVD β-SiC or Sintered TaC Coating2", 4", 6", 8" Wafer Pocket Susceptors, Multi-Wafer Planetary Discs, & Custom HeatersQuote ↗
TB-CFC-PLCarbon-Carbon (C/C) Composite Plates, Charging Grids, Channels & FastenersC/C (2D / 2.5D Carbon-Fiber Reinforced Carbon)7440-44-0CVI / Pitch-Densified 2D & 2.5D Carbon-Carbon Composite (<200 ppm or <20 ppm Purified)Plates 1–30 mm, U/L-Profiles, Charging Grids, & M6–M24 C/C Bolts/Nuts/RodsQuote ↗
TB-GR-CRUHigh-Purity Graphite Crucibles, Stopper Rods & Continuous Casting DiesC (99.9%–99.999%)7440-44-0Isostatic Fine-Grain (<20–50 ppm Ash) & Halogen-Purified (<5 ppm Ash) GradesCrucibles 5 mL to 50 L; Induction Susceptor Crucibles; Continuous Casting DiesQuote ↗
TB-GR-FLHigh-Purity Flexible Graphite Foil, Hot-Press Release Sheets & Vacuum GasketsC (99.5% – 99.95% Exfoliated Graphite)7440-44-099.5% Industrial, 99.85% Nuclear (<50 ppm S/Cl), & 99.95% Semiconductor GradeThickness 0.05 mm, 0.13 mm, 0.25 mm, 0.38 mm, 0.50 mm, 0.80 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mmQuote ↗
Graphite Crucibles (C, CAS 7782-42-5) — Graphite Components studio photographTB-GR-CR
Graphite ComponentsC · 7782-42-5

Graphite Crucibles

Precision CNC-turned fine-grain isostatic graphite crucibles with low ash content (<20–500 ppm) for non-ferrous, precious metal, alloy, and crystal-growth melting.

Purity / Grade99.9% (Ash <500 ppm) to 99.995% Purified (<20–50 ppm Ash)
Typical Size5 mL lab cups to 50 kg induction melting crucibles
Custom Graphite Components (C, CAS 7782-42-5) — Graphite Components studio photographTB-GR-CNC
Graphite ComponentsC · 7782-42-5

Custom Graphite Components

Precision CNC-machined isostatic graphite vacuum-furnace heaters, susceptors, brazing fixtures, wafer carriers, and graphite nuts/bolts made to customer CAD drawings.

Purity / GradeIsostatic Grades (1.80–1.92 g/cm³); Purified <5–50 ppm Ash; SiC-Coated
Typical Size5-axis CNC machined from Ø 5 mm pins up to 800 mm furnace rings
Graphite Plates & Blocks (C, CAS 7782-42-5) — Graphite Components studio photographTB-GR-PL
Graphite ComponentsC · 7782-42-5

Graphite Plates & Blocks

Precision ground fine-grain and isostatic graphite sheets, setter plates, EDM blocks, rods, and impermeable resin-impregnated bipolar plates.

Purity / GradeMolded Fine-Grain & Isostatic High-Density (99.9%–99.99% C)
Typical SizePlates 1–100 mm thick; Blocks & Rods cut and surface-ground to size
Pyrolytic Graphite & Glassy (Vitreous) Carbon (C, CAS 7440-44-0) — Graphite Components studio photographTB-PG-GC
Graphite ComponentsC · 7440-44-0

Pyrolytic Graphite & Glassy (Vitreous) Carbon

Ultra-pure 5N CVD pyrolytic graphite (anisotropic thermal/diamagnetic plates) and mirror-polished gas-impermeable glassy (vitreous) carbon electrodes, wafers, and crucibles.

Purity / Grade≥99.999% (5N CVD Pyrolytic Graphite & Polymeric Glassy Carbon)
Typical SizePG plates 0.5–12 mm; Glassy carbon rods, plates, wafers, & crucibles
CVD SiC-Coated & TaC-Coated Graphite Susceptors, Wafer Carriers & Heaters (C + CVD β-SiC (80–150 µm) / TaC, CAS 409-21-2) — Graphite Components studio photographTB-GR-SIC
Graphite ComponentsC + CVD β-SiC (80–150 µm) / TaC · 409-21-2

CVD SiC-Coated & TaC-Coated Graphite Susceptors, Wafer Carriers & Heaters

CTE-matched purified isostatic graphite susceptors encapsulated in dense 6N CVD β-SiC or tantalum carbide (TaC) coatings for GaN MOCVD, SiC CVD epitaxy, and 2,200 °C PVT crystal growth.

Purity / Grade< 5 ppm Purified Isostatic Graphite + 6N CVD β-SiC or Sintered TaC Coating
Typical Size2", 4", 6", 8" Wafer Pocket Susceptors, Multi-Wafer Planetary Discs, & Custom Heaters
Carbon-Carbon (C/C) Composite Plates, Charging Grids, Channels & Fasteners (C/C (2D / 2.5D Carbon-Fiber Reinforced Carbon), CAS 7440-44-0) — Graphite Components studio photographTB-CFC-PL
Graphite ComponentsC/C (2D / 2.5D Carbon-Fiber Reinforced Carbon) · 7440-44-0

Carbon-Carbon (C/C) Composite Plates, Charging Grids, Channels & Fasteners

High-strength 2D/2.5D carbon-fiber-reinforced carbon (C/C, CFC) composite structural plates, charging grids, hot-press sleeves, and M6–M24 threaded fasteners for vacuum furnaces up to 2,500 °C.

Purity / GradeCVI / Pitch-Densified 2D & 2.5D Carbon-Carbon Composite (<200 ppm or <20 ppm Purified)
Typical SizePlates 1–30 mm, U/L-Profiles, Charging Grids, & M6–M24 C/C Bolts/Nuts/Rods
High-Purity Graphite Crucibles, Stopper Rods & Continuous Casting Dies (C (99.9%–99.999%), CAS 7440-44-0) — Graphite Components studio photographTB-GR-CRU
Graphite ComponentsC (99.9%–99.999%) · 7440-44-0

High-Purity Graphite Crucibles, Stopper Rods & Continuous Casting Dies

Precision-machined high-purity isostatic graphite melting crucibles, clay-free analytical fusion capsules, and continuous casting dies for precious metals, copper alloys, silicon, and crystal growth.

Purity / GradeIsostatic Fine-Grain (<20–50 ppm Ash) & Halogen-Purified (<5 ppm Ash) Grades
Typical SizeCrucibles 5 mL to 50 L; Induction Susceptor Crucibles; Continuous Casting Dies
High-Purity Flexible Graphite Foil, Hot-Press Release Sheets & Vacuum Gaskets (C (99.5% – 99.95% Exfoliated Graphite), CAS 7440-44-0) — Graphite Components studio photographTB-GR-FL
Graphite ComponentsC (99.5% – 99.95% Exfoliated Graphite) · 7440-44-0

High-Purity Flexible Graphite Foil, Hot-Press Release Sheets & Vacuum Gaskets

Binder-free exfoliated flexible graphite foil (0.05–3.0 mm) for Spark Plasma Sintering (SPS) die/punch release liners, high-temperature vacuum gaskets, and anisotropic heat spreaders.

Purity / Grade99.5% Industrial, 99.85% Nuclear (<50 ppm S/Cl), & 99.95% Semiconductor Grade
Typical SizeThickness 0.05 mm, 0.13 mm, 0.25 mm, 0.38 mm, 0.50 mm, 0.80 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm
Custom & catalog specifications

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