Technical Datasheet Panex® 35 Carbon Felts Description Produced from 100% Pyron® oxidized PAN fibers and later carbonized in our vacuum furnaces, Panex® 35 carbon felt is widely used. Current applications include insulation in high temperature furnaces, unique properties on our Panex® 35 carbon felts are invaluable when searching for solutions in complex thermal, corrosive, or conductive applications. Material Overview SI Units US Units 95% 95% 1,400° C 2,552° F Width 98 cm 35 in Weight 1,035 g/m2 30 oz/yd2 10 mm 0.4 in 0.102 g.cc 0.00368 lb/in3 50 m 50 yds Thermal Conductivity @ 23° C 0.031 W/m*k 0.21 Btu*in/hr*ft*F Thermal Conductivity @ 600° C 0.07 W/m*k 0.51 Btu*in/hr*ft*F Specific Heat @ 23° C 0.741 W*sec/g*K 0.099 Btu/lb*F Specific Heat @ 600° C 1.72 W*sec/g*K 0.232 Btu/lb*F Carbon Content Process Temperature Thickness Density Roll Length Zoltek Corporation | 3101 McKelvey Rd. | St. Louis, MO 63044 P: 314-291-5110 | F: 314-291-8536 | E: [email protected] | W: www.zoltek.com

Panex® 35 Carbon Felts Thermal Conductivity of Panex ® 35 Felt 0.08 0.5 0.07 0.06 W/m-K 0.05 0.3 0.04 0.03 Btu*in/hr*ft* 0.4 0.2 0.02 0.2 0.01 0 0 23 50 100 150 200 250 300 350 400 450 500 550 TEMPERATURE (°C) Typical Packaging Certification Wound on cardboard cone, sealed in polyethylene bag, and placed in cardboard box. Panex® 35 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. ISO...