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Esprix Ketoprix™ EKT73 (Natural) Thermoplastic Aliphatic Polyketone, Extrusion Grade
Categories: Polymer; Thermoplastic; Polyketone

Material Notes: Ketoprix™ EK73 and EKT73 resins are thermoplastic aliphatic polyketones containing a 1,4-diketone backbone structure. They are produced from ethylene, propylene and CO with perfectly alternating olefin and CO monomers in the backbone. These resins are low MF extrusion resins and are well suited for extruded shapes such as tubing and smaller diameter pipe. Ketoprix™ EK73 and EKT73 have excellent flow properties, high chemical resistance and are used for pipe, tube and profiles in Auto, Oil & Gas, CPI, and other Industrial End Uses.

Information provided by Esprix Technologies.

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Physical PropertiesOriginal ValueComments
Density 1.24 g/ccASTM D 792
Moisture Absorption 0.450 %
@Temperature 23.0 °C
60% RH, wt%; ASTM D570
Linear Mold Shrinkage, Flow 0.018 - 0.020 cm/cmASTM D 955
Melt Flow 3.0 g/10 min
@Load 2.16 kg,
Temperature 240 °C
ASTM D 1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell R 105ASTM D 785
Tensile Strength 65.0 MPa
@Temperature 23.0 °C
ASTM D 638
Elongation at Break 250 %Nominal; ASTM D 638
Tensile Modulus 1.60 - 2.20 GPa
@Temperature 23.0 °C
ASTM D 638
Flexural Strength 60.0 MPa
@Temperature 23.0 °C
ASTM D 790
Flexural Modulus 1.60 GPa
@Temperature 23.0 °C
ASTM D 790
Charpy Impact, Notched 20.0 - 50.0 kJ/m²
@Temperature 23.0 °C
ASTM D 256
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+15 ohm-cmASTM D 257
Dielectric Strength 17.0 kV/mmASTM D 149
 
Thermal PropertiesOriginal ValueComments
Melting Point 220 °CASTM D 1525
Deflection Temperature at 0.46 MPa (66 psi) 210 °CASTM D 648
Deflection Temperature at 1.8 MPa (264 psi) 105 °CASTM D 648
Flammability, UL94 HB

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PESPR907 / 217561

Specialty Compounds RTP Company

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