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Spectra® / Dyneema® are Ultra-High Molecular Weight Polyethylene fibers known for their high strength and durability.

yarnoncreelA manufactured fiber made from ultra-high molecular weight polyethylene. This remarkably durable material is one of the world’s strongest and lightest fibers. The material is pound for pound, ten times stronger than steel, more durable than polyester, and according to the manufacturers, has a specific strength that is 40% greater than aramid fiber. It is also resistant to degradation from UV light.

Sample applications:
  • Ballistic and projectile protection
  • Helmets
  • Vehicle armor
  • Sailcloth
  • Lifting slings
  • Cut resistant gloves

Technical Data

Tenacity (g/denier) 29 - 35
Elongation at break (%) 2.7 - 3.0
Shrinkage at 177°C (%) N/A
Melting point (°F) 297
In flame
After flame
Chemical resistance Excellent resistance to acids and bases
Specific gravity (g/cc) 0.97
Moisture regain (%) <1.0
Disclaimer: Values are only a guide. Actual values depend on manufacturer and exact type of yarn. Please contact our engineering team for specific values as they relate to your application.

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