PEEK(polyetheretherketone) plastic injection molding material

1. Basic Concepts of PEEK

PEEK plastic injection molding

  • PEEK, AKA Poly-ether-ether-ketone, is a special engineering plastic that possesses high thermal stability and a high mechanical performance.
  • The main chain is a high molecular polymer formed by alternation of an ether bond and a ketone bond, of which the typical polymer is polyaryletherketone. The unit structure is as shown below.

PEEK(polyetheretherketone)

2. The Property Index of PEEK

Physical Index Specific Gravity 1.6g/cc
Water Absorption 0.021%
Mechanical Properties Rockwell Hardness (R) 105
Shore Hardness (D) 75
Yield Point Elongation 3%
Tensile Strength 110MPa
Tensile Modulus 8GPa
Bending Strength 55MPa
Bending Modulus 6.4GPa
Notched Izod Impact Strength (23℃) 1.12J/cm
Abrasion Resistance (1.5kg) >8000 Times
Electrical Properties Arc Resistance 60-120SEC
Comparative Tracking Index 600V

 

Thermal Properties Melting Temperature 360℃
Relative Temperature Index 260℃
Heat Deflection Temperature 200℃ (1.8MPa), 210℃ (0.46MPa)
Vicat Softening Temperature 210℃
Flame Retardance VO
Oxygen Index 30%
Molding Properties Molding Temperature 360-500℃
Moldability Excellent dimensional stability after water absorption, low thermal expansion coefficient and great fluidity. Able to be used for production of tubes, rods and films by means of injection molding, extrusion molding and pressing.
Thermal Properties Melting Temperature 360℃
Relative Temperature Index 260℃
Heat Deflection Temperature 200℃ (1.8MPa), 210℃ (0.46MPa)
Vicat Softening Temperature 210℃
Flame Retardance VO
Oxygen Index 30%
Molding Properties Molding Temperature 360-500℃
Moldability Excellent dimensional stability after water absorption, low thermal expansion coefficient and great fluidity. Able to be used for production of tubes, rods and films by means of injection molding, extrusion molding and pressing.

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