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United States

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- story by MaterialDistrict

Auxetics are extraordinary materials that become fatter when stretched and thinner when compressed. Helical Auxetic Yarn (HAY) has applications in textiles and in composites, and is under development for applications in body armour, blast mitigation, health care, filtration, and aerospace. Materials which employ Auxetics are expected to have mechanical properties such as high energy absorption and fracture resistance. Auxetic fabrics may be interwoven with other materials (fiber optics, sensors, etc.) to address specific issues for custom applications.


  • May be interwoven with other materials (fire retardants, telemetry, fiber optics, etc.) to address specific issues for custom applications
  • Inclusion of such special materials does not affect its auxetic properties
  • Fabric is available in a variety of widths, from 20” to 120”

Material Properties