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Rulon Bearings

LG Chemical KEYFLEX BT 1028D Ester Type TPE
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes: Description: Injection Molding, TPC-ET, General Purpose, Low Modulus

Application: Automotive Interior, Soft Touch Grips

CAS: 37282-12-5

Information provided by LG Chemical
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
Specific Gravity 1.05 g/cc1.05 g/ccASTM D792
Water Absorption 0.80 %
@Temperature 23.0 °C,
Time 86400 sec		0.80 %
@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 0.0040 - 0.0080 cm/cm
@Thickness 3.20 mm		0.0040 - 0.0080 in/in
@Thickness 0.126 in		ASTM D955
Melt Flow 25 g/10 min
@Load 2.16 kg,
Temperature 230 °C		25 g/10 min
@Load 4.76 lb,
Temperature 446 °F		ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 7575ASTM D2240
Hardness, Shore D 2525ASTM D2240
Tensile Strength at Break 19.6 MPa
@Thickness 2.00 mm		2840 psi
@Thickness 0.0787 in		50mm/min; ASTM D638
Elongation at Break 900 %
@Thickness 2.00 mm		900 %
@Thickness 0.0787 in		50mm/min; ASTM D638
Izod Impact, Notched  NB
@Thickness 6.40 mm,
Temperature 23.0 °C		NB
@Thickness 0.252 in,
Temperature 73.4 °F		ASTM D256
 NB
@Thickness 6.40 mm,
Temperature -40.0 °C		NB
@Thickness 0.252 in,
Temperature -40.0 °F		ASTM D256
 
Electrical PropertiesMetricEnglishComments
Comparative Tracking Index 600 V600 VSolution A; IEC 60112
 
Thermal PropertiesMetricEnglishComments
Melting Point 155 °C311 °FPeak
UL RTI, Electrical  50.0 °C
@Thickness >=1.50 mm		122 °F
@Thickness >=0.0591 in
 50.0 °C
@Thickness >=3.00 mm		122 °F
@Thickness >=0.118 in
UL RTI, Mechanical with Impact  50.0 °C
@Thickness >=1.50 mm		122 °F
@Thickness >=0.0591 in
 50.0 °C
@Thickness >=3.00 mm		122 °F
@Thickness >=0.118 in
UL RTI, Mechanical without Impact  50.0 °C
@Thickness >=1.50 mm		122 °F
@Thickness >=0.0591 in
 50.0 °C
@Thickness >=3.00 mm		122 °F
@Thickness >=0.118 in
Flammability, UL94  HB
@Thickness >=1.50 mm		HB
@Thickness >=0.0591 in
 HB
@Thickness >=3.00 mm		HB
@Thickness >=0.118 in
 
Processing PropertiesMetricEnglishComments
Rear Barrel Temperature 170 - 190 °C338 - 374 °FInjection Molding
Middle Barrel Temperature 180 - 200 °C356 - 392 °FInjection Molding
Front Barrel Temperature 190 - 210 °C374 - 410 °FInjection Molding
Nozzle Temperature 190 - 210 °C374 - 410 °FInjection Molding
Zone 1 160 - 180 °C320 - 356 °FExtrusion Molding
Zone 2 170 - 190 °C338 - 374 °FExtrusion Molding
Zone 3 180 - 200 °C356 - 392 °FExtrusion Molding
Zone 4 180 - 200 °C356 - 392 °FExtrusion Molding
Adapter Temperature 180 - 200 °C356 - 392 °FExtrusion Molding
Die Temperature 170 - 210 °C338 - 410 °FExtrusion Molding
Melt Temperature 160 - 200 °C320 - 392 °FInjection Molding
 160 - 200 °C320 - 392 °FExtrusion Molding
Mold Temperature 10.0 - 35.0 °C50.0 - 95.0 °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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