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Mitsubishi Chemical Advanced Materials Ketron™ Sterra™ HPV PEEK Recycled poly-ether-ether-ketone
Categories: Polymer; Thermoplastic; Polyketone; Polyetheretherketone (PEEK)

Material Notes: Carbon fiber reinforced with graphite and PTFE lubricants, a recycled PEEK grade with the lowest coefficient of friction and the best machinability.

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Physical PropertiesMetricEnglishComments
Specific Gravity 1.44 g/cc1.44 g/ccASTM D792
Water Absorption at Saturation 0.300 %0.300 %ASTM D570 (17)
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell M 85.085.0ASTM D785
Hardness, Shore D 86.086.0ISO 868
Tensile Strength 78.0 MPa11300 psiISO 527-1/-2 (7)
Flexural Strength 125 MPa18100 psiISO 178 (12)
Compressive Yield Strength  46.0 MPa
@Strain 1.00 %
6670 psi
@Strain 1.00 %
ISO 604 (10)
 80.0 MPa
@Strain 2.00 %
11600 psi
@Strain 2.00 %
ISO 604 (10)
 120 MPa
@Strain 5.00 %
17400 psi
@Strain 5.00 %
ISO 604 (10)
Shear Strength 69.0 MPa10000 psiASTM D732
Charpy Impact, Notched 0.300 J/cm²1.43 ft-lb/in²ISO 179-1/1eA
 
Thermal PropertiesMetricEnglishComments
CTE, linear 30.6 µm/m-°C17.0 µin/in-°FASTM E-831 (TMA)
 35.0 µm/m-°C
@Temperature 23.0 - 100 °C
19.4 µin/in-°F
@Temperature 73.4 - 212 °F
 40.0 µm/m-°C
@Temperature 23.0 - 150 °C
22.2 µin/in-°F
@Temperature 73.4 - 302 °F
 85.0 µm/m-°C
@Temperature >=150 °C
47.2 µin/in-°F
@Temperature >=302 °F
Thermal Conductivity 0.245 W/m-K1.70 BTU-in/hr-ft²-°F
 0.780 W/m-K5.41 BTU-in/hr-ft²-°F
Melting Point 340 °C644 °FASTM D3418
Maximum Service Temperature, Air 250 °C482 °FContinuous Use Temperature in Air after 20000 hr
Deflection Temperature at 1.8 MPa (264 psi) 195 °C383 °FASTM D648
Minimum Service Temperature, Air -20.0 °C-4.00 °F
 
Chemical Resistance PropertiesMetricEnglishComments
Acids, Strong (pH 1-3) LimitedLimited
Acids, Weak AcceptableAcceptable
Alcohols AcceptableAcceptable
Alkalies, Strong (pH 11-14) AcceptableAcceptable
Alkalies, Weak AcceptableAcceptable
Chlorinated Solvents AcceptableAcceptable
Continuous Sunlight AcceptableAcceptable
Hot Water / Steam AcceptableAcceptable
Hydrocarbons - Aliphatic AcceptableAcceptable
Hydrocarbons - Aromatic AcceptableAcceptable
Inorganic Salt Solutions AcceptableAcceptable
Ketones, Esters AcceptableAcceptable

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P1SM1A / 20101