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Elmet Technologies

LG Chemical KEYFLEX BT 1055D Ester Type TPE
Categories: Polymer; Thermoplastic; Elastomer, TPE; Polyester, TP; Polyester Thermoplastic Elastomer
Material Notes: Description: Injection Molding, TPC-ET, General Purpose, Medium Modulus

Application: Antenna Cover, Injection Parts for 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 1.20 g/cc1.20 g/ccASTM D792
Water Absorption 0.60 %
@Temperature 23.0 °C,
Time 86400 sec		0.60 %
@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 0.011 - 0.015 cm/cm
@Thickness 3.20 mm		0.011 - 0.015 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 D 5454ASTM D2240
Tensile Strength at Break 34.3 MPa
@Thickness 2.00 mm		4970 psi
@Thickness 0.0787 in		50mm/min; ASTM D638
Tensile Strength, Yield 13.7 MPa
@Thickness 2.00 mm		1990 psi
@Thickness 0.0787 in		50mm/min; ASTM D638
Elongation at Break 500 %
@Thickness 2.00 mm		500 %
@Thickness 0.0787 in		50mm/min; ASTM D638
Flexural Modulus 0.196 GPa
@Thickness 6.40 mm		28.4 ksi
@Thickness 0.252 in		15mm/min; ASTM D790
Izod Impact, Notched  1.47 J/cm
@Thickness 6.40 mm,
Temperature -40.0 °C		2.76 ft-lb/in
@Thickness 0.252 in,
Temperature -40.0 °F		ASTM D256
 NB
@Thickness 6.40 mm,
Temperature 23.0 °C		NB
@Thickness 0.252 in,
Temperature 73.4 °F		ASTM D256
Tear Strength 147 kN/m840 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
Arc Resistance 120 - 180 sec120 - 180 secASTM D495
Comparative Tracking Index 600 V600 VSolution A; IEC 60112
Hot Wire Ignition, HWI  15 - 30 sec
@Thickness >=1.50 mm		15 - 30 sec
@Thickness >=0.0591 in
 15 - 30 sec
@Thickness >=3.00 mm		15 - 30 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
 
Thermal PropertiesMetricEnglishComments
Melting Point 205 °C401 °FPeak
Deflection Temperature at 0.46 MPa (66 psi) 100 °C
@Thickness 6.40 mm		212 °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 200 - 240 °C392 - 464 °FInjection Molding
Middle Barrel Temperature 210 - 230 °C410 - 446 °FInjection Molding
Front Barrel Temperature 220 - 240 °C428 - 464 °FInjection Molding
Nozzle Temperature 220 - 240 °C428 - 464 °FInjection Molding
Zone 1 200 - 240 °C392 - 464 °FExtrusion Molding
Zone 2 200 - 220 °C392 - 428 °FExtrusion Molding
Zone 3 210 - 230 °C410 - 446 °FExtrusion Molding
Zone 4 215 - 235 °C419 - 455 °FExtrusion Molding
Adapter Temperature 220 - 240 °C428 - 464 °FExtrusion Molding
Die Temperature 210 - 250 °C410 - 482 °FExtrusion Molding
Melt Temperature 200 - 240 °C392 - 464 °FInjection Molding
 200 - 240 °C392 - 464 °FExtrusion Molding
Mold Temperature 20.0 - 40.0 °C68.0 - 104 °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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