VICTREX™ HT™ G22

About
High performance thermoplastic material, unreinforced PolyEtherKetone (PEK), semi crystalline, depth filtered granules for injection moulding, easy flow, FDA food contact compliant, colour natural/beige. Applications for high strength and stiffness as well as good ductility at higher temperatures. Chemically resistant to aggressive environments, suitable for sterilsation for medical and food contact applications.&&

Product Description
SupplierVictrex
Material StatusCommercial: Active
FeaturesGood liquidity,Good disinfection,Hypocrystalline,Solvent resistance,Food contact compliance,Good Rigidity,Ductility
AvailabilitysEurope,Asia Pacific,Latin America,North America,Africa & Middle East
Process MethodsInjection Molding

Technical Data
MECHANICALNominal valueUnitTest method
Shore hardness
Shore D, 23 ℃86 ISO 868
Tensile Modulus
23℃4300MPaISO 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 ISO 178
3.50% strain, 23 ℃130MPaISO 178
23℃180MPaISO 178
125℃105MPaISO 178
175℃32.0MPaISO 178
275℃16.0MPaISO 178
Compressive Strength ISO 604
23℃140MPaISO 604
120℃90.0MPaISO 604
200℃30.0MPaISO 604

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength
23℃3.8kJ/m²ISO 179/1eA
Charpy Unnotch Impact strength
23℃No Break ISO 179
Izod Notched Impact strength
23℃5.5kJ/m²ISO 180-A
Izod Unnotched Impact strength of cantilever beam
23℃No Break ISO 180

THERMALNominal valueUnitTest method
Hot deformation temperature HDT
1.8 MPa, unannealed163ISO 75-2/Af
Glass Transition Temperature ISO 11357-2
152ISO 11357-2
160ISO 11357-2
Melting temperature373ISO 11357-3
Coeff. of linear thermal expansion
TD ISO 11359-2
< 152℃5.5E-5cm/cm/℃ISO 11359-2
> 152℃1.3E-4cm/cm/℃ISO 11359-2
MD ISO 11359-2
< 152℃4.5E-5cm/cm/℃ISO 11359-2
> 152℃7.5E-5cm/cm/℃ISO 11359-2
Thermal conductivity ISO 22007-4
23℃0.29W/m/KISO 22007-4
23℃0.32W/m/KISO 22007-4

ELECTRICALNominal valueUnitTest method
Volume Resistance IEC 60093
23℃1.0E+16ohms·cmIEC 60093
125 ℃1.0E+15ohms·cmIEC 60093
275 ℃1.0E+9ohms·cmIEC 60093
Dielectric Strength
2 mm23kV/mmIEC 60243-1
Compared Tracking Index150VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Glow Wire Flammability Index GWFI
2.0 mm960IEC 60695-2-12
Oxygen Index ISO 4589-2
24%ISO 4589-2
35%ISO 4589-2
Toxicity NES 713
CO Content0.0740 NES 713
CO2 Content0.150 NES 713
Total Gases0.220 NES 713

PHYSICALNominal valueUnitTest method
Density1.30g/cm³ISO 1183
Spiral flow length20.0cmInternal Method
Molding shrinkage ISO 294-4
TD1.2%ISO 294-4
MD1.0%ISO 294-4
Water Absorption
Saturation, 23 ℃0.60%ISO 62
Saturation, 100 ℃0.75%ISO 62
Apparent viscosity
400℃200Pa·sISO 11443

Process Conditions
Injection MoldingNominal valueUnitTest method
Drying Temperature120 to 150°C
Drying Time3.0 to 5.0hr
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 Temperature190 to 215°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. 395°C nozzle, 200°C tool
6. At yield
7. Onset
8. Midpoint
9. Average
10. Along flow
11. 0.4 mm
12. 3.2 mm
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