PEEK vs. Polypropylene Machining

Comparison of PEEK and Polypropylene Property Values

PEEK Unfilled PEEK 30% Glass Filled
0.5 0.11
14,000 24,620
590,000 1,450,000
2.6 1.2
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Material
Water Absorption Rating
Tensile Strength
Flexural Modulus
Coefficient of Linear Thermal Expansion
Dielectric Strength
Polypropylene Homopolymer Polypropylene Copolymer
slight slight
5,400 3,800
225,000 215,000
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Material Properties

  • High abrasion resistance
  • Low moisture absorption
  • Outstanding chemical resistance
  • Low coefficient of friction
  • Excellent wear characteristics
  • Machinability
  • Mechanical strength
  • FDA compliant grades available
  • Impact resistance
  • Moisture resistance
  • Machinability

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