- Tenacity: 3–7 grams per denier (gpd)
- Elongation at break: 10–35%
- Elastic recovery: 100% at strain up to 5%
- Modulus of elasticity: 30–60 gpd
- Moisture absorbency: 2–5%
- Zero strength temperature: Excessive creep and softening point>215
- High abrasion resistance
- Dyeable
- Low flammability
- Insoluble (low swelling) in water, in moderately strong acids and bases and conventional organic solvents from room temperature to 100
- Easy care
- Tensile strength should be as high as possible and at least 7-8 gpd
- Elongation at break: 8-15 %
- The initial modulus in conditioned state should be 80 gpd and more; it should not drop below 50 gpd in wet condition
- The zero strength temperature should be high as possible i.e. 250
- Good resistance to acids and alkalis
- It should not catch fire.
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