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Rulon Bearings

KEP Kepital® TX-21 Acetal Copolymer, Special lubricant package
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Unreinforced
Material Notes: Medium viscosity, lubricant package grade. TX-21 is suitable for use requiring reduced wear noise, and a good friction & wear resistance without sacrificing mechanical properties.

Information provided by KEP Americas.
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 1.39 g/cc0.0502 lb/in³ISO 1183
Water Absorption 0.20 %0.20 %ISO 62
Linear Mold Shrinkage, Flow 0.020 cm/cm0.020 in/int = 3 mm
Melt Flow 16.5 g/10 min
@Load 2.16 kg,
Temperature 190 °C		16.5 g/10 min
@Load 4.76 lb,
Temperature 374 °F		ISO 1133
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength 58.0 MPa8410 psi50 mm/min; ISO 527
Elongation at Break 33 %33 %50 mm/min; ISO 527
Elongation at Yield 10 %10 %50 mm/min; ISO 527
Flexural Strength 79.0 MPa11500 psiISO 178
Flexural Modulus 2.35 GPa341 ksiISO 178
Charpy Impact, Notched 0.750 J/cm²3.57 ft-lb/in²ISO 179
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity 1.00e+16 ohm-cm1.00e+16 ohm-cmIEC 60093
Surface Resistance 1.00e+16 ohm1.00e+16 ohmIEC 60093
 
Thermal PropertiesMetricEnglishComments
CTE, linear 130 µm/m-°C72.2 µin/in-°FISO 11359
Melting Point 165 °C329 °FISO 3146

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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