VICTREX™ ST™ G45

About
High performance thermoplastic material, unreinforced PolyEtherKetoneEtherKetoneKetone (PEKEKK), semi crystalline, depth filtered granules for injection moulding, standard flow, colour natural/beige. Applications for high strength and stiffness as well as good ductility at higher temperatures. Chemically resistant to aggressive environments.&&

Product Description
SupplierVictrex
Material StatusCommercial: Active
FeaturesSolvent resistance,Ductility,High Heat Resistance,Hypocrystalline,Good Rigidity
AvailabilitysAfrica & Middle East ,Asia Pacific,Latin America,North America,Europe
Process MethodsInjection Molding

Technical Data
IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃4.0kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength
23℃无断裂 ISO 179
Izod Notched Impact strength
23℃6.0kJ/m²ISO 180-A
Izod Unnotched Impact strength of cantilever beam
23℃无断裂 ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature HDT
1.8 MPa, unannealed172ISO 75-2/Af
Glass Transition Temperature
162
169
Melting temperature387ISO 11357-3
Coeff. of linear thermal expansion
MD:< 162℃4.5E-51/℃
MD:> 162℃1.1E-41/℃
TD:< 162℃5.5E-51/℃
TD:> 162℃1.3E-41/℃
Thermal conductivity
23℃0.29W/m/K
23℃0.32W/m/K

ELECTRICALNominal valueUnitTest method
Volume Resistance
23℃1.0E+16ohms·cmIEC 60093
Dielectric Strength
2.5 mm23kV/mmIEC 60243-1
Dielectric Constant
23 ℃,1 kHz3.00 IEC 60250
Dissipation Factor
23℃,1 MHz4.0E-3 IEC 60250
Compared Tracking Index150VIEC 60112

MECHANICALNominal valueUnitTest method
Shore hardness
Shore D, 23 ℃85 ISO 868
Tensile Modulus
23℃4200MPaISO 527-2
Tensile Strength
Yield yld, 23 ℃115MPaISO 527-2
Tensile Strain
Broken BRK, 23 ℃25%ISO 527-2
Flexural Modulus
23℃4000MPaISO 178
Flexural Strength
23℃190MPa
3.50% strain, 23 ℃130MPa
125℃110MPa
175℃35.0MPa
275℃20.0MPa
Compressive Strength
23℃145MPa
120℃90.0MPa
200℃35.0MPa

PHYSICALNominal valueUnitTest method
Density1.30g/cm³ISO 1183
Spiral flow length
16.0cm
19.0cm
68.0cm
Molding shrinkage
TD1.6%
TD1.2%
MD1.4%
MD1.1%
Water Absorption
Saturation, 100 ℃0.95%ISO 62
Apparent viscosity
420℃225Pa·sISO 11443

Process Conditions
Injection MoldingNominal valueUnitTest method
Drying Temperature150 to 180°C
Drying Time3.0 to 6.0hr
Hopper Temperature< 100°C
Rear Temperature Zone 1375°C
Middle Temperature Zone 2380 to 385°C
Front Temperature Zone 3390°C
Nozzle temperature395°C
Mold Temperature200 to 220°C
Mold Temperature – Maximum250°C

Notes
1. Typical properties: these are not to be construed as specifications.
2. Crystalline
3. Mold Temperature: 392°F, Melt Temperature: 743°F
4. 1 mm
5. Mold Temperature: 428°F, Melt Temperature: 779°F
6. 3 mm
7. 395°C nozzle, 200°C tool
8. 415°C nozzle, 220°C tool
9. at Yield
10. Onset
11. Midpoint
12. Average
13. Along flow
14. Result based on 450G
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