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Composite · Thermal Expansion

Thermal Expansion of Kevlar 49

The thermal expansion of Kevlar 49 is approximately -3.5 ×10⁻⁶/K. How much it grows with temperature — critical for thermal-stress.

Thermal Expansion of Kevlar 49

-3.5 ×10⁻⁶/K

Ranked #53 of 53 materials by thermal expansion

Compared to nearby materials

Carbon Fiber (CFRP)	2 ×10⁻⁶/K
Diamond	1.1 ×10⁻⁶/K
Fused Silica	0.55 ×10⁻⁶/K
Kevlar 49	-3.5 ×10⁻⁶/K

← All properties of Kevlar 49

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Disclaimer. PolySim OS is a simulation and modeling platform, not a certified engineering, scientific, or professional-advisory service. Simulation results, material properties, and generated outputs are provided for research, educational, and informational purposes only and are not a substitute for physical testing, professional engineering judgment, peer review, or regulatory certification. No warranty is made as to the accuracy, completeness, or fitness for any particular purpose of any result produced by the platform. Always validate critical results against experimental data and qualified professional review before relying on them.

Property values and figures shown are typical/representative ranges compiled for reference and may vary by source, grade, temperature, and processing. Verify against primary sources before use in design.