Teknor Apex Telcar® TL-8712R Thermoplastic Elastomer

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Teknor Apex Telcar® TL-8712R Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE
Material Notes:	Notes: Telcar TL-8712R is a flame retardant thermoplastic elastomer designed for electrical applications requiring flexibility over a wide temperature range. Telcar TL-8712R is a medium hardness, medium duromenter grade that is RoHS compliant. This grade is suitable for both injection molding and extrusion. Features: Flame Retardant; General Purpose; Good Colorability; Good Flexibility; Halogenated, Heat Aging Resistant; High Elasticity; High Elongation; High Tensile Strength; Low Flow; Medium Hardness Uses: Appliance Wire Insulation; Appliance Wire Jacketing; Cable Jacketing; Connectors; Flexible Cord Jacketing; Industrial Cable Jacketing; Terminal Cable Jacketing; Underground Power Cable; Wire and Cable Applications; Wire Jacketing Forms: Pellets Processing Method: Extrusion; Injection Molding Injection Notes: Injection Rate: Moderate-Fast Extrusion Notes: Screw Speed: 30 to 100 rpm Information Provided by Teknor Apex
Key Words:	TPE
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Physical Properties	Original Value	Comments

Specific Gravity	1.08 g/cc	ASTM D792
Melt Flow	3.5 g/10 min @Load 5.00 kg, Temperature 200 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore A	71	ASTM D2240
Tensile Strength at Break	2000 psi	0.02 in, Die C, 20 in/min, die cut from extruded tapes; ASTM D412
	12.7 MPa @Treatment Temp. 60.0 °C, Time 605000 sec	in IRM 902 Oil; ASTM D471
	15.04 MPa @Treatment Temp. 136 °C, Time 605000 sec	in Air; ASTM D573
Tensile Stress at Strain	360 psi @Strain 100 %, Thickness 0.508 mm	Die C, 20 in/min, die cut from extruded tapes; ASTM D412
	530 psi @Strain 300 %, Thickness 0.508 mm	Die C, 20 in/min, die cut from extruded tapes; ASTM D412
Elongation at Break	680 %	0.02 in, Die C, 20 in/min, die cut from extruded tapes; ASTM D412
	673.2 % @Treatment Temp. 136 °C, Time 605000 sec	in Air; ASTM D573
	700.4 % @Treatment Temp. 60.0 °C, Time 605000 sec	in IRM 902 Oil; ASTM D471

Electrical Properties	Original Value	Comments
Volume Resistivity	6.60e+15 ohm-cm @Temperature 50.0 °C	ASTM D257
Dielectric Constant	2.1 @Frequency 1000 Hz	ASTM D150
	2.1 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	660 V/mil	ASTM D149

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	221 °F	ASTM D794
Brittleness Temperature	<= -76.0 °F	ASTM D746
Flammability, UL94	HB	0.12 in, All Colors
Oxygen Index	20 %	ASTM D2863

Processing Properties	Original Value	Comments
Rear Barrel Temperature	340 - 380 °F
Middle Barrel Temperature	350 - 390 °F
Front Barrel Temperature	360 - 400 °F
Nozzle Temperature	370 - 410 °F
Zone 1	330 - 370 °F
Zone 2	340 - 380 °F
Zone 3	350 - 390 °F
Zone 4	370 - 405 °F
Zone 5	360 - 400 °F
Die Temperature	374 - 410 °F
Melt Temperature	370 - 410 °F	Processing Temperature
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

Descriptive Properties
Appearance	Opaque

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