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Rulon Bearings

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KEP Kepital® TE-22 Acetal Copolymer, High toughness
Categories: Polymer; Thermoplastic; Acetal (Polyoxymethylene, POM); Acetal Copolymer, Impact Modified
Material Notes: Moderate and high improvement in impact strength and flexibility. TE-22 is higher impact modified than TE-21, so is suitable for parts that more impact resistance is needed.

Information provided by KEP Americas.
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Physical PropertiesOriginal ValueComments
Density 1.37 g/ccISO 1183
Water Absorption 0.23 %ISO 62
Linear Mold Shrinkage, Flow 0.018 cm/cmt = 3 mm
Melt Flow 9.2 g/10 min
@Load 2.16 kg,
Temperature 190 °C		ISO 1133
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength 50.0 MPa50 mm/min; ISO 527
Elongation at Break 63 %50 mm/min; ISO 527
Elongation at Yield 10 %50 mm/min; ISO 527
Flexural Strength 66.0 MPaISO 178
Flexural Modulus 1900 MPaISO 178
Charpy Impact, Notched 12.0 kJ/m²ISO 179
 
Electrical PropertiesOriginal ValueComments
Volume Resistivity 1.00e+16 ohm-cmIEC 60093
Surface Resistance 1.00e+16 ohmIEC 60093
 
Thermal PropertiesOriginal ValueComments
CTE, linear 130 µm/m-°CISO 11359
Melting Point 165 °CISO 3146
Deflection Temperature at 1.8 MPa (264 psi) 76.0 °CISO 75

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