Oxidized Felt

Product catalog summary

Overview: The document is a technical datasheet for Pyron® Carbon Felts produced by Zoltek Corporation. These felts are made from 100% Pyron® oxidized PAN fibers and are used for thermal and acoustical insulation in high-temperature applications across aerospace, automotive, and industrial sectors. They serve as a cost-effective fire or spark barrier.

Specifications:

Density: Minimum 1.36 g/cc
Diameter: 1.25 micron
LOI (Limiting Oxygen Index): 40%+
Color: Black
Resistivity: 8x10⁸ ohms cm

Chemical Resistance:

Strong Acids: Good
Weak Acids: Excellent
Strong Bases: Poor
Weak Bases: Good
Organic Solvents: Excellent

Chemical Composition (%):

Carbon Content: 62%
Nitrogen: 21.5%
Oxygen: 12%
Hydrogen: 4.5%
Sodium: <0.1%
Trace Metals: <0.01%

Material Overview: The felts are non-woven, needlepunched, and made from oxidized/stabilized PAN fiber (OPAN). They are available in various areal weights, widths, roll lengths, and thicknesses, with custom weights available.

Packaging: Pyron® Felts are wound on a cardboard cone and sealed in plastic.

Certification: Manufactured in accordance with Zoltek’s published data, with a Certificate of Conformance provided with each shipment.

Safety: Users are advised to obtain, read, and understand the Material Safety Data Sheet (MSDS) before using the product.

Catalog excerpts

Technical Datasheet Pyron® Carbon Felts Non-woven, Needlepunched, Oxidized/Stabilized PAN Fiber (OPAN) Felts Produced from 100% Pyron® oxidized PAN fibers, needlepunched felts are for use as thermal / acoustical insulation in aerospace, automotive or general industrial high temperature applications. Valuable as a low cost - high performance fire or spark barrier. *Custom weights available Zoltek Corporation | 3101 McKelvey Rd. | St. Louis, MO 63044

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Pyron® Carbon Felts Typical Packaging Certification Pyron® Felts are wound on cardboard cone, sealed in plastic. Pyron® Felts are manufactured in accordance with Zoltek’s written and published data. A Certificate of Conformance is provided with each shipment. Safety Obtain, read, and understand the Material Safety Data Sheet (MSDS) before use of this or any other Zoltek product. PYRON® is a registered trademark of Zoltek Corporation Zoltek Corporation | 3101 McKelvey Rd. | St. Louis, MO 63044 P: 314-291-5110 | F: 314-291-8536 | E: [email protected] | W: www.zoltek.com 0611

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