HDPE vs. Polypropylene Machining

Comparison of HDPE and Polypropylene Property Values

HDPE
0.1
4,000
200,000
7
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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

  • Can withstand temperatures of 120 ┬░C continuously
  • Good tensile strength
  • Machinability
  • Low moisture absorption
  • Mechanical strength
  • FDA compliant grades available
  • Impact resistance
  • Moisture resistance
  • Machinability

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