Teknor Apex Elexar® EL-8730A Thermoplastic Elastomer

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Teknor Apex Elexar® EL-8730A Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Elexar® EL-8730A is high performance, flame retardant thermoplastic elastomer designed for electrical applications requiring flexibility over a wide temperature range. Elexar® EL-8730A is a high durometer grade that is UV stabilized and RoHS compliant. This grade is UL listed and is suitable for both injection molding and extrusion. Features: Filled; Good Flow; Halogenated; High Density; High Hardness; High Specific Gravity; Light Stabilized; Lubricated; Medium Flow Uses: Appliance Wire Insulation; Appliance Wire Jacketing; Cable Jacketing; Connectors; Flexible Cord Jacketing; Industrial Cable Insulation; Terminal Cable Jacketing; Underground Power Cable; 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	Original Value	Comments

Specific Gravity	1.25 g/cc	ASTM D792
Melt Flow	20 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore A	83 @Time 18000 sec	ASTM D2240
	85 @Time 3600 sec	ASTM D2240
Tensile Strength at Break	12.4 MPa @Thickness 0.508 mm	Extruded Tape, Die C, 20 in/min; ASTM D412
	11.53 MPa @Treatment Temp. 60.0 °C, Time 605000 sec	Extruded Tape, in IRM 902 Oil; ASTM D471
	13.39 MPa @Treatment Temp. 158 °C, Time 605000 sec	Extruded Tape, in Air; ASTM D573
Tensile Stress at Strain	750 psi @Strain 100 %, Thickness 0.508 mm	Extruded Tape, Die C, 20 in/min; ASTM D412
	950 psi @Strain 300 %, Thickness 0.508 mm	Extruded Tape, Die C, 20 in/min; ASTM D412
Elongation at Break	600 % @Thickness 0.508 mm	Extruded Tape, Die C, 20 in/min; ASTM D412
	564 % @Treatment Temp. 158 °C, Time 605000 sec	Extruded Tape, in Air; ASTM D573
	582 % @Treatment Temp. 60.0 °C, Time 605000 sec	Extruded Tape, in IRM 902 Oil; ASTM D471

Electrical Properties	Original Value	Comments
Dielectric Constant	2.45 @Frequency 1e+6 Hz	ASTM D150
	2.46 @Frequency 1000 Hz	ASTM D150
Dielectric Strength	1200 V/mil	ASTM D149
Dissipation Factor	0.00070 @Frequency 1e+6 Hz	ASTM D150
	0.013 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Original Value	Comments
Brittleness Temperature	<= -55.0 °C	ASTM D746
Flammability, UL94	V-0	0.06 in
Oxygen Index	28 %	ASTM D2863

Processing Properties	Original Value	Comments
Rear Barrel Temperature	390 - 420 °F
Middle Barrel Temperature	415 - 430 °F
Front Barrel Temperature	430 - 440 °F
Nozzle Temperature	430 - 445 °F
Zone 1	380 - 410 °F
Zone 2	390 - 420 °F
Zone 3	415 - 430 °F
Zone 4	415 - 430 °F
Zone 5	430 - 440 °F
Die Temperature	430 - 445 °F
Melt Temperature	430 - 445 °F	Processing Temp
Mold Temperature	77.0 - 150 °F
Injection Pressure	200 - 1000 psi
Back Pressure	25.0 - 50.0 psi
Cushion	0.150 - 1.00 in
Screw Speed	50 - 100 rpm

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