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30% Carbon Fiber (30 CF) LCP

30 CF LCP is a grade of LCP. It has the highest strength and lowest ductility compared to the other variants of LCP. The graph bars on the material properties cards below compare 30 CF LCP to: polyester plastics (top), all thermoplastics (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

24 GPa 3.5 x 106 psi

Elongation at Break

1.0 %

Flexural Modulus

23 GPa 3.3 x 106 psi

Flexural Strength

320 MPa 46 x 103 psi

Tensile Strength: Ultimate (UTS)

230 MPa 33 x 103 psi

Thermal Properties

Maximum Temperature: Decomposition

520 °C 960 °F

Melting Onset (Solidus)

280 °C 540 °F

Specific Heat Capacity

1020 J/kg-K 0.24 BTU/lb-°F

Otherwise Unclassified Properties

Density

1.5 g/cm3 93 lb/ft3

Limiting Oxygen Index (LOI)

35 %

Common Calculations

Stiffness to Weight: Axial

8.9 points

Stiffness to Weight: Bending

65 points

Strength to Weight: Axial

43 points

Strength to Weight: Bending

56 points

Followup Questions

Further Reading

Liquid Crystalline Polymers, Xin-Jiu Wang and Qi-Feng Zhou, 2004

Reinforced Plastics Durability, Geoffrey Pritchard (editor), 1999

SPI Plastics Engineering Handbook of the Society of the Plastics Industry, Inc., 5th ed., Michael L. Berins (editor), 2000

Modern Plastics Handbook, Charles A. Harper (editor), 1999