Graphite & Carbon Felt Materials

Max Graphite offers a full suite of soft and rigid carbon and graphite felts, purpose-built for high-temperature, vacuum, and chemically demanding environments. Trusted across industries like semiconductor fabrication, photovoltaics, heat treatment, battery systems, and EDM machining, our felts deliver performance where it matters most.

Our Felt Products

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Flow Battery Graphite Felt Electrode

The Core of Next-Generation Flow Battery Energy Storage

Short Fiber Graphite Rigid Felt

High-Purity Insulation for SiC & Semiconductor Furnaces

Graphite Soft Felt

Flexible insulation and sealing applications requiring conformability to complex geometries

Graphite Rigid Felt

Thermal insulation applications requiring structural integrity, low thermal mass, and high-temperature performance

Rigid Graphite Felt Boards and Cylinders

Rigid felt insulation in board and cylindrical forms, supplied to drop into vacuum and inert-gas furnace insulation packs where pack stability is non-negotiable.

Pitch-Based Graphite Felt

Pitch-Based Graphite Felt for Crystal Growth and Contamination-Sensitive Hot Zones

PAN-Based Graphite Felt

PAN-based graphite felt for solar PV, vacuum heat treatment, and high-temperature furnace insulation — supplied by Max Graphite in both soft and rigid forms.

Rayon-Based Graphite Felt

Single-source supply of rayon-based graphite felt — in soft and rigid forms — for high-purity insulation in induction-heated and vacuum process environments.

What are Graphite & Carbon Felts?

Graphite and carbon felts are nonwoven fiber-based materials derived from PAN (polyacrylonitrile) or rayon precursors. These fibers undergo thermal treatment—carbonization around 800–1,000 °C and graphitization above 2,000 °C—to yield materials with exceptional thermal insulation, low ash content (<20 ppm), chemical resilience, and minimal outgassing

There are two main types of industrial graphite felt materials:

  • Soft felts are flexible and easily shaped, ideal for wrapping, battery insulation, and dynamic systems.
  • Rigid felts (short- or long-fiber) are pressed into boards or cylinders with greater structural integrity, commonly used in vacuum furnaces and high-precision insulation applications.

Looking for Felt-Based Products?

We produce a wide range of finished graphite-based insulation products—from heaters and shields to furnace kits—using our own felt grades for full quality assurance.