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Elmet Technologies

LG Chemical KEYFLEX BT 1072D 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

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 1.26 g/cc1.26 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 0.015 - 0.019 cm/cm
@Thickness 3.20 mm
0.015 - 0.019 in/in
@Thickness 0.126 in
ASTM D955
Melt Flow 25 g/10 min
@Load 2.16 kg,
Temperature 240 °C
25 g/10 min
@Load 4.76 lb,
Temperature 464 °F
ASTM D1238
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 6969ASTM D2240
Tensile Strength at Break 47.1 MPa
@Thickness 2.00 mm
6830 psi
@Thickness 0.0787 in
50mm/min; ASTM D638
Tensile Strength, Yield 29.4 MPa
@Thickness 2.00 mm
4270 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 0.686 GPa
@Thickness 6.40 mm
99.6 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
 0.981 J/cm
@Thickness 6.40 mm,
Temperature 23.0 °C
1.84 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+11 ohm-cm>= 1.00e+11 ohm-cmASTM D257
Dielectric Strength 26.0 kV/mm
@Thickness 1.00 mm
660 kV/in
@Thickness 0.0394 in
ASTM D149
Arc Resistance 120 - 180 sec120 - 180 secASTM D495
Comparative Tracking Index 600 V600 VSolution A; IEC 60112
Hot Wire Ignition, HWI  30 - 60 sec
@Thickness >=1.50 mm
30 - 60 sec
@Thickness >=0.0591 in
 60 - 120 sec
@Thickness >=3.00 mm
60 - 120 sec
@Thickness >=0.118 in
High Amp Arc Ignition, HAI  >= 120 arcs
@Thickness 1.50 mm
>= 120 arcs
@Thickness 0.0591 in
 >= 120 arcs
@Thickness 3.00 mm
>= 120 arcs
@Thickness 0.118 in
High Voltage Arc-Tracking Rate, HVTR 10.0 - 25.4 mm/min0.394 - 1.00 in/min
 
Thermal PropertiesMetricEnglishComments
Melting Point 219 °C426 °FPeak
Deflection Temperature at 0.46 MPa (66 psi) 135 °C
@Thickness 6.40 mm
275 °F
@Thickness 0.252 in
Unannealed; ASTM D648
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 220 - 240 °C428 - 464 °FInjection Molding
Middle Barrel Temperature 230 - 250 °C446 - 482 °FInjection Molding
Front Barrel Temperature 235 - 255 °C455 - 491 °FInjection Molding
Nozzle Temperature 235 - 255 °C455 - 491 °FInjection Molding
Zone 1 220 - 240 °C428 - 464 °FExtrusion Molding
Zone 2 220 - 240 °C428 - 464 °FExtrusion Molding
Zone 3 225 - 245 °C437 - 473 °FExtrusion Molding
Zone 4 235 - 245 °C455 - 473 °FExtrusion Molding
Adapter Temperature 235 - 245 °C455 - 473 °FExtrusion Molding
Die Temperature 220 - 260 °C428 - 500 °FExtrusion Molding
Melt Temperature 220 - 240 °C428 - 464 °FInjection Molding
 220 - 240 °C428 - 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

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