Technical Datasheet Panex® 35 Chopped Fiber (Type -85) For High-Temperature Thermoplastics Description Zoltek’s newly-developed Type-85 chopped fiber format has the following characteristics: High bulk density values which allows for cleaner and more consistent flow rates Compact pellet form maintains its integrity from the package, into, and through the hopper Recommended Use High-Temperature Thermoplastics (HTTP): PPS, PEEK, PEI, PPA, PAI, PES, PSU Distributes easily during compounding, improving process and product performance Applications Excellent mechanical and electrical properties: - High strength and modulus - Low density - Electrical conductivity - Dimensional stability - Low thermal expansion - Excellent friction/wear properties Material Overview High operating temperature environments where excellent chemicals resistance, electrical properties, heat aging, dimensional capability, and mechanical properties are required. SI US Sizing Content 2.75% by weight Moisture Content 0.20% maximum Unpacked Bulk Density (minimum) 350 g/L 22 lb/ft3 Fiber Length (nominal) 6 mm 0.25 in fiber properties generated using ASTM standard methods 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 Chopped Fiber (Type -85) Typical Properties PPS SI PEI US SI US SI 40% 30% Carbon Fiber Loading PEEK US 40% Method -- Tensile Strength 190 MPa 27 ksi 228 MPa 33 ksi 250 MPa 35 ksi ASTM D638 Tensile Modulus 23 GPa 3.4 msi 26 GPa 3.7 msi 31 GPa 4.4 msi ASTM D638 Elongation 1.5% 1.0% ASTM D638 1.4% Flexural Strength 280 MPa 41ksi 317 MPa 46 ksi 360 MPa 53 ksi ASTM D790 Flexural Modulus 23 GPa 3.4 msi 23 GPa 3.4 msi 28 GPa 4.1 msi ASTM D790 Izod Impact - Notched 80 J/m 1.5 ft-lb/in 64 J/m 1.2 ft-lb/in 60 J/m 1.1 ft-lb/in ASTM D256 Izod Impact - Unnotched 410 J/m 7.7 ft-lb/in 603 J/m 11.3...