Teknor Apex Telcar® TL-8421 Thermoplastic Elastomer

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Teknor Apex Telcar® TL-8421 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Vinyl (PVC); PVC, Wire and Cable Grade
Material Notes:	Notes: RoHS Compliant 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 Wire Types: SJEOW Agency Ratings: UL 1581; QMTT2.E73402 Forms: Pellets Processing Method: Extrusion; Injection Molding Injection Notes: Drying is not necessary. However, if moisture is a problem, dry the pellets for 2 to 4 hours at 150°F (65°C); 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	Metric	English	Comments

Specific Gravity	0.980 g/cc	0.980 g/cc	ASTM D792
Melt Flow	16 g/10 min @Load 5.00 kg, Temperature 200 °C	16 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	92	92	ASTM D2240
Tensile Strength at Break	1.11 MPa	161 psi	Change in tensile strength after 18 hours at 250°F, in animal fat; ASTM D471
	9.51 MPa	1380 psi	Change in tensile strength after 18 hours at 250°F, in vegetable oil; ASTM D471
	15.9 MPa	2300 psi	ASTM D412
Elongation at Break	420 %	420 %	After Aging 18 hours at 250°F, in vegetable oil; ASTM D471
	450 %	450 %	After Aging 18 hours at 250°F, in animal fat; ASTM D471
	600 %	600 %	ASTM D412

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.4 @Frequency 1000 Hz	2.4 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	105 °C	221 °F	Continuous Use
Brittleness Temperature	<= -60.0 °C	<= -76.0 °F	ASTM D746
Oxygen Index	12 %	12 %	ASTM D2863

Processing Properties	Metric	English	Comments
Rear Barrel Temperature	199 - 216 °C	390 - 420 °F
Middle Barrel Temperature	213 - 221 °C	415 - 430 °F
Front Barrel Temperature	221 - 227 °C	430 - 440 °F
Nozzle Temperature	221 - 229 °C	430 - 445 °F
Zone 1	193 - 210 °C	380 - 410 °F
Zone 2	199 - 216 °C	390 - 420 °F
Zone 3	213 - 221 °C	415 - 430 °F
Zone 5	221 - 227 °C	430 - 440 °F
Die Temperature	221 - 229 °C	430 - 445 °F
Melt Temperature	221 - 229 °C	430 - 445 °F	Processing Temperature
Mold Temperature	25.0 - 65.6 °C	77.0 - 150 °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

Descriptive Properties
Appearance	Opaque
Change in Volume (%)	1		after 18 hours at 250°F, in animal fat
	1		after 18 hours at 250°F, in vegetable oil

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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PTEKNP562 / 129635

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