Technical Datasheet ZOLTEK™ PX35 Continuous Tow Commercial Carbon Fiber for Industrial Applications DESCRIPTION ZOLTEK PX35 continuous carbon fiber is manufactured from polyacrylonitrile (PAN) precursor. The consistency in yield and mechanical properties that are provided by large filament count strands gives the user the ability to design and manufacture composite materials with greater confidence and allows for efficient and fast buildup of carbon fiber reinforced composite structures. ZOLTEK PX35 50K fibers are available with a variety of sizing formats for different composite processing methods and for compatibility with a wide range of standard resin systems. ZOLTEK quality focuses on spool to spool consistency yielding low coefficients of variation. Wind energy, automotive, petroleum production, aviation, marine, industrial, other transportation, medical (including X-ray), sports and recreation, etc. Any article or component benefiting from the unique properties of carbon fiber composites. MATERIAL OVERVIEW Tensile Strength Tensile Modulus Fiber Diameter Carbon Content Textile Units Spool Weight Spool Length Elongation Electrical Resistivity Density The properties listed in this datasheet do not constitute any warranty or guarantee of values. This information should only used for the purposes of material selection. Please contact us for more details. ZOLTEK™ PX35 ZOLTEK Corporation | 3101 McKelvey Road | Bridgeton, MO 63044 P: 314-291-5110 | F: 314-291-8536 | www.zoltek.com

Technical Datasheet ZOLTEK™ PX35 Continuous Tow Commercial Carbon Fiber for Industrial Applications TYPICAL PACKAGING Wound on a 3” x 11” (7.6 cm x 28 cm) cardboard spool, sealed in heat shrunk covering, and placed in cardboard box; two splices are permitted per every 1,500m spool and five per every 3,000m spool. ZOLTEK PX35 Continuous Tow is manufactured in accordance with ZOLTEK’S written and published data. A Certificate of Conformance is provided with each shipment. Spool outside diameter: » 1,500 m: 180-185 mm x 255-260 mm » 3,000 m: 235-245 mm x 255-260 mm SAFETY Obtain, read, and understand...