Polybutylene Terephthalate Resin For Industrial Applications

Crastin® PBT is a stiffness and toughness material and having superior electrical insulation properties, excellent dimensional properties and exceptional surface finishes and stability versus moisture as well as its heat resistance.

Crastin® is extremely versatile. It’s available in FDA and EU approved grades for food and cosmetics applications, its enables DuPont to offer the industry’s largest portfolio of EIS pre-approved by Underwriters Laboratories (UL) grades and recognized to IEC standards.

DuPont™ Crastin® PBT offers manufacturers the advantage of superior flow qualities. It’s easy to process on conventional injection moulding machines. It is available in a wide range of grades designed for low-warpage, hydrolysis resistance, and for blow-moulding and extrusion.

With Crastin®, DuPont materials science experts help customers gain cost efficiency without compromising on performance.


  • Cosmetics packaging materials
  • Electrical and electronic plastics
  • Electrical encapsulation materials
  • Electrical insulation polymers
  • Food contact materials
  • Innovative furniture design
  • Mechanical gears
  • Medical device materials
  • Photovoltaic panels and parts
  • Plastics for sporting goods
  • Polymers for appliances

Key Benefits

  • Stiffness
  • High strength
  • Electrical insulation properties
  • Excellent dimensional properties and stability versus moisture
  • Heat-resistant
  • Easy to process


Crastin® 15330 NC010
Crastin® LW9030 BK851
Crastin® SK602 GY882
Crastin® SK602 NC010
Crastin® SK603 NC010
Crastin® SK605 BK851
Crastin® SK605 NC010
Crastin® CE15330 BK010
Crastin® S600F20 NC010
Crastin® S600F40 NC010
Crastin® S650FR NC010
Crastin® SK602 BK851
Crastin® ST803FRUV NC010

(PBT 30% GF Natural)
(PBT 30% GF Low Warpage)
(PBT 15% GF Grey)
(PBT 15% GF Natural)
(PBT 20% GF Natural)
(PBT 30% GF Black)
(PBT 30% GF Natural)
(PBT 30% GF FR Black)
(PBT Unfilled – medium viscosity Natural)
(PBT Unfilled – low viscosity Natural)
(PBT unfilled – Flame retardant)
(PBT 15% GF Black)
(PBT unfilled - Super toughened FR UV stabilized Natural)