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Celazole PBI - Model U-60 CF -Ultra-High Strength Carbon Fiber
U-60 CF is an ultra-high strength carbon fiber reinforced compression molded PBI variant available as a stock shape. 25% CF reinforced PBI has 32 kpsi tensile strength, 42 kpsi flexural strength, and 65 kpsi compressive strength.
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| U-60 CF PROPERTIES | ASTM METHOD | ENGLISH VALUE | METRIC VALUE |
| TENSILE STRENGTH (BREAK) | D-638 | 32 kpsi | 220 MPa |
| • MODULUS | 1,740 kpsi | 12,000 MPa | |
| • ELONGATION (BREAK) | 2.50% | 2.50% | |
| FLEXURAL STRENGTH (YIELD) | D-790 | 42 kpsi | 290 MPa |
| • MODULUS | 1,885 kpsi | 13,000 MPa | |
| COMPRESSIVE STRENGTH | D-695 | 65 kpsi | 450 MPa |
| • MODULUS | 1,595 kpsi | 11,000 MPa | |
| GLASS TRANSITION | DMA | 800°F | 427°C |
| CLTE 75-300°F (25-150°C) | TMA | 6.7 x 10-6 in/in°F | 12 µm/m°C |
| • 390-570°F (200-300°C) | TMA | 10 x 10-6 in/in°F | 18 µm/m°C |
| SURFACE RESISTIVITY | D-257 | 101 – 103 ohm/sq | 101 – 103 ohm/sq |
| CARBON FIBER CONTENT (NOMINAL) | 25% | 25% |
HIGH TEMPERATURE PERFORMANCE
Celazole® PBI has a glass transition temperature of 800°F
HIGH STRENGTH
Highest compressive strength of any unfilled resin on the planet
CHEMICAL RESISTANCE
100% tensile strength after being submerged in motor oil at 200°F for 30 days