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Rulon Bearings

LG Chemical KEYFLEX BT 1068D Ester Type TPE
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes: Description: Injection Molding, TPC-ET, General Purpose, High Modulus

Application: Injection Parts for Automotives, Leisure & Sports

CAS: 37282-12-5

Information provided by LG Chemical
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Physical PropertiesMetricEnglishComments
Specific Gravity 1.24 g/cc1.24 g/ccASTM D792
Water Absorption 0.30 %
@Temperature 23.0 °C,
Time 86400 sec		0.30 %
@Temperature 73.4 °F,
Time 24.0 hour		ASTM D570
Molecular Weight 458.458 g/mol458.458 g/mol
Maximum Moisture Content 0.0100.010Injection Molding
 0.0100.010Extrusion Molding
Linear Mold Shrinkage, Flow 0.014 - 0.018 cm/cm
@Thickness 3.20 mm		0.014 - 0.018 in/in
@Thickness 0.126 in		ASTM D955
Melt Flow 27 g/10 min
@Load 2.16 kg,
Temperature 240 °C		27 g/10 min
@Load 4.76 lb,
Temperature 464 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 6565ASTM D2240
Tensile Strength at Break 44.1 MPa
@Thickness 2.00 mm		6400 psi
@Thickness 0.0787 in		50mm/min; ASTM D638
Tensile Strength, Yield 22.6 MPa
@Thickness 2.00 mm		3270 psi
@Thickness 0.0787 in		50mm/min; ASTM D638
Elongation at Break 400 %
@Thickness 2.00 mm		400 %
@Thickness 0.0787 in		50mm/min; ASTM D638
Flexural Modulus 0.422 GPa
@Thickness 6.40 mm		61.2 ksi
@Thickness 0.252 in		15mm/min; ASTM D790
Izod Impact, Notched  0.490 J/cm
@Thickness 6.40 mm,
Temperature -40.0 °C		0.918 ft-lb/in
@Thickness 0.252 in,
Temperature -40.0 °F		ASTM D256
 1.96 J/cm
@Thickness 6.40 mm,
Temperature 23.0 °C		3.67 ft-lb/in
@Thickness 0.252 in,
Temperature 73.4 °F		ASTM D256
Tear Strength 162 kN/m924 pli50mm/min, at Break; ASTM D624
 
Electrical PropertiesMetricEnglishComments
Volume Resistivity >= 1.00e+13 ohm-cm>= 1.00e+13 ohm-cmASTM D257
Dielectric Strength 26.0 kV/mm
@Thickness 1.00 mm		660 kV/in
@Thickness 0.0394 in		ASTM D149
Comparative Tracking Index 600 V600 VSolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
Melting Point 215 °C419 °FPeak
Deflection Temperature at 0.46 MPa (66 psi) 125 °C
@Thickness 6.40 mm		257 °F
@Thickness 0.252 in		Unannealed; ASTM D648
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 215 - 235 °C419 - 455 °FInjection Molding
Middle Barrel Temperature 225 - 245 °C437 - 473 °FInjection Molding
Front Barrel Temperature 230 - 250 °C446 - 482 °FInjection Molding
Nozzle Temperature 230 - 250 °C446 - 482 °FInjection Molding
Zone 1 215 - 235 °C419 - 455 °FExtrusion Molding
Zone 2 220 - 240 °C428 - 464 °FExtrusion Molding
Zone 3 225 - 245 °C437 - 473 °FExtrusion Molding
Zone 4 230 - 250 °C446 - 482 °FExtrusion Molding
Adapter Temperature 230 - 250 °C446 - 482 °FExtrusion Molding
Die Temperature 220 - 250 °C428 - 482 °FExtrusion Molding
Melt Temperature 215 - 240 °C419 - 464 °FInjection Molding
 215 - 240 °C419 - 464 °FExtrusion Molding
Mold Temperature 40.0 - 60.0 °C104 - 140 °FInjection Molding
Drying Temperature 80.0 - 90.0 °C176 - 194 °FInjection Molding
 80.0 - 90.0 °C176 - 194 °FExtrusion Molding
Dry Time 3.00 - 4.00 hour3.00 - 4.00 hourInjection Molding
 3.00 - 4.00 hour3.00 - 4.00 hourExtrusion Molding

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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