Teknor Apex Elexar® EL 3954-70 Thermoplastic Elastomer

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Teknor Apex Elexar® EL 3954-70 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Elexar® EL-3954-70 is a high performance thermoplastic elastomer designed for the electrical market. Elexar® EL-3954-70 is a lubricated, medium hardness grade suitable for both injection molding and extrusion. Features: Filled; Halogen Free; High Density; High Specific Gravity; Lubricated; Medium Flow; Medium Hardness; Slip Uses: Connectors; Grommets; Strain Reliefs; Wire & Cable Applications; Wire Jacketing Form: Pellets Processing Method: Extrusion; Injection Molding Information Provided by Teknor Apex
Key Words:	TPE
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Physical Properties	Metric	English	Comments

Specific Gravity	1.18 g/cc	1.18 g/cc	ASTM D792
Melt Flow	15 g/10 min @Load 5.00 kg, Temperature 200 °C	15 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	69 @Time 5.00 sec	69 @Time 0.00139 hour	ASTM D2240
	71 @Time 1.00 sec	71 @Time 0.000278 hour	ASTM D2240
Tensile Strength at Break	8.27 MPa	1200 psi	Flow; Die C, 20 in/min; ASTM D412
	9.33 MPa	1350 psi	Across Flow; Die C, 20 in/min; ASTM D412
	11.4 MPa	1650 psi	Extruded Tape, Flow; Die C, 20 in/min; ASTM D412
Tensile Stress at Strain	2.12 MPa @Strain 100 %	308 psi @Strain 100 %	Across Flow; Die C, 20 in/min; ASTM D412
	2.70 MPa @Strain 100 %	392 psi @Strain 100 %	Flow; Die C, 20 in/min; ASTM D412
	3.12 MPa @Strain 300 %	453 psi @Strain 300 %	Across Flow; Die C, 20 in/min; ASTM D412
	3.74 MPa @Strain 300 %	542 psi @Strain 300 %	Flow; Die C, 20 in/min; ASTM D412
Elongation at Break	640 %	640 %	Flow; Die C, 20 in/min; ASTM D412
	700 %	700 %	Extruded Tape, Flow; Die C, 20 in/min; ASTM D412
	740 %	740 %	Across Flow; Die C, 20 in/min; ASTM D412
Tear Strength	31.0 kN/m	177 pli	Flow; Die C, 20 in/min; ASTM D624
	33.1 kN/m	189 pli	Across Flow; Die C, 20 in/min; ASTM D624
Compression Set	24 % @Temperature 22.8 °C, Time 79200 sec	24 % @Temperature 73.0 °F, Time 22.0 hour	Type I; ASTM D395B
	57 % @Temperature 70.0 °C, Time 79200 sec	57 % @Temperature 158 °F, Time 22.0 hour	Type I; ASTM D395B

Electrical Properties	Metric	English	Comments
Dielectric Strength	43.3 kV/mm	1100 kV/in	ASTM D149

Thermal Properties	Metric	English	Comments
Brittleness Temperature	<= -60.0 °C	<= -76.0 °F	ASTM D746
UL RTI, Electrical	90.0 °C	194 °F	UL 746
UL RTI, Mechanical with Impact	50.0 °C	122 °F	UL 746
Flammability, UL94	HB	HB	0.06 in, All Colors

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	188 - 216 °C	370 - 420 °F
Middle Barrel Temperature	188 - 216 °C	370 - 420 °F
Front Barrel Temperature	188 - 216 °C	370 - 420 °F
Nozzle Temperature	188 - 216 °C	370 - 420 °F
Zone 1	177 - 204 °C	350 - 400 °F
Zone 2	177 - 204 °C	350 - 400 °F
Zone 3	177 - 204 °C	350 - 400 °F
Zone 4	177 - 204 °C	350 - 400 °F
Zone 5	177 - 204 °C	350 - 400 °F
Die Temperature	177 - 204 °C	350 - 400 °F
Melt Temperature	188 - 216 °C	370 - 420 °F	Processing Temp
Mold Temperature	15.6 - 32.2 °C	60.0 - 90.0 °F
Injection Pressure	1.38 - 6.89 MPa	200 - 1000 psi
Back Pressure	0.172 - 0.345 MPa	25.0 - 50.0 psi
Cushion	0.381 - 2.54 cm	0.150 - 1.00 in
Screw Speed	50 - 100 rpm	50 - 100 rpm

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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