KetaSpire® KT-880 GF20

About
KetaSpire® KT-880 GF20 is a high flow, 20% glass-fiber reinforced grade of polyetheretherketone (PEEK). This resin offers higher strength and stiffness properties relative to unreinforced KetaSpire® PEEK resin. The glass fiber content is optimized to provide a balance of strength and stiffness with toughness-related properties, such as impact resistance and elongation at break. This level of reinforcement also affords greater mechanical robustness in structural applications, particularly those with service temperatures approaching 240°C (464°F). KetaSpire® PEEK is produced to the highest industry standards and is characterized by a distinct combination of properties, which include excellent wear resistance, best-in-class fatigue resistance, ease of melt processing, high purity and excellent chemical resistance to organics, acids and bases. These properties make it well-suited for applications in healthcare, transportation, electronics, chemical processing and other industrial uses.&&

Product Description
SupplierSolvay
Material StatusCommercial: Active
FeaturesSteam sterilized,Resistance to the steam,Gamma radiation,Good disinfection,Good Dimensional Stability,Heat sterilization,Fatigue resistance,Ethylene oxide disinfection,Radioactive,Radiation disinfection,Solvent resistance,Biocompatible,Flame Characteristics,E-beam disinfection,Good Rigidity,High pressure disinfection,High Heat Resistance,High liquidity
AvailabilitysEurope,Africa & Middle East ,North America,Asia Pacific,Latin America
Process MethodsInjection Molding

Technical Data
IMPACTNominal valueUnitTest method
Charpy Unnotch Impact strength60kJ/m²ISO 179
Impact strength of cantilever beam notch 
60J/mASTM D256
6.0kJ/m²ISO 180
Notched impact strength of cantilever beam770J/mASTM D256

THERMALNominal valueUnitTest method
Melting temperature345ISO 11357

Electrical performanceNominal valueUnitTest method
Surface resistivity5.0E+15ohmsASTM D257
Volume resistivity7.0E+15ohms·cmASTM D257
Dielectric strength310kV/mmASTM D149
Dielectric constant ASTM D150
60 Hz3.34 ASTM D150
1 kHz3.35 ASTM D150
1 MHz3.35 ASTM D150
Dissipation factor ASTM D150
60 Hz2.0E-3 ASTM D150
1 kHz1.0E-3 ASTM D150
1 MHz4.0E-3 ASTM D150

MECHANICALNominal valueUnitTest method
Rockwell hardness
M-level103 ASTM D785
Tensile modulus 
8200MPaASTM D638
8300MPaISO 527-2
tensile strength 
fracture152MPaASTM D638
fracture162MPaISO 527-2
Tensile strain 
fracture3.7%ASTM D638
fracture3.5%ISO 527-2/1A/5
Bending modulus 
7860MPaASTM D790
7720MPaISO 178
bending strength 
254MPaASTM D790
238MPaISO 178
Elastic modulus 
8.24GPaISO 527
8.34GPaASTM D638

PHYSICALNominal valueUnitTest method
Density1.46g/cm³ISO 1183
Melt Flow Rate
400℃,2.16kg18g/10minASTM D1238
Water absorption rate
24hr0.022%ISO 15512
Ash Content20%ISO 3451-1
Apparent viscosity of melt
400℃,1000 sec^-1280Pa·sASTM D3835

Process Conditions
InjectionNominal valueUnitTest method
Injection speedNominal valueUnitTest method
drying temperature150°C
Drying time4.0hr
Temperature at the rear of the barrel365°C
Temperature in the middle of the barrel371°C
Front temperature of material barrel377°C
Nozzle temperature382°C
Mold temperature177 to 204°C
Screw compression ratio2.5:1.0 to 3.5:1.0 

Notes
1. Typical properties: these are not to be construed as specifications.
2. DSC First heat
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