PEEK vs. UHMW Machining

Comparison of PEEK and UHMW 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
UHMW - PE
slight
3,100
110,000
11.1
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Material Properties

  • High abrasion resistance
  • Low moisture absorption
  • Outstanding chemical resistance
  • Low coefficient of friction
  • Excellent wear characteristics
  • Machinability
  • High impact strength
  • Machinability
  • Low coefficient of friction
  • Self-lubricating
  • Chemical resistant
  • Zero water absorption
  • High abrasion resistance

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