Polytrimethylene terephthalate (PTT)

Key properties and applications

Production

Polymerisation takes place through polycondensation. The fibre is obtained through melt spinning.

Properties

  • High elasticity
  • Soft feel
  • Resistant to yellowing
  • Extremely durable
  • Excellent stretch and rebound properties
  • Good crease resistance
  • Biopolymer with a proportion of renewable raw materials and energy-reduced production

Temperatures

  • Melting point: approx. 225°C

FAQ