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Aramid (Kevlar ®) Yarn Data

Aramid Yarn Data

This information has been furnished by the manufacturer and is not guaranteed to be completely accurate. Users are advised to make their own tests to determine the safety and suitability of each product or product combinations for their purposes. Unless otherwise agreed in writing, we sell the products without warranty, loss or damage arising from the handling and use of our products, whether used alone or in combination with other products. Updated: Oct. 2000


Denier # of Filaments Yield
(ft./lb.)
195 Aramid Yarn 134 68,685

1500 Aramid Yarn 1000 8,928

Finish: Scoured to maximize resin compatibility.
  • Specifications
    • Specific Density: 0.052 lb./in.3
    • Tenacity: 435 x 103 psi
    • Modulus: 16.3 x 106
    • Break Elongation: 2.4%
    • Specific Tensile Strength*: 8.34 x 106psi
    • CTE**: -2.7 x 10-6/0 F
    • Decomposition Temperature: 800-9000 F

  • * - Specific tensile strength is obtained by dividing the tenacity by the density.
    ** - CTE is the coeffieient of thermal expansion (in the longitudinal direction).