Teknor Apex Telcar® TL-8451 Thermoplastic Elastomer

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Teknor Apex Telcar® TL-8451 Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Vinyl (PVC); PVC, Wire and Cable Grade
Material Notes:	Notes: Telcar TL-8451 is a high performance, halogen-free thermoplastic elastomer designed for electrical applications requiring flexibility over a wide temperature range. Telcar TL-8451 is a durometer grade that is UV stabilized and RoHS and REACH SVHC compliant. This grade is UL listed and is suitable for both injection molding and extrusion. Features: General Purpose; Good Colorability; Good Flexibility; Halogen Free, Heat Aging Resistant; High Elasticity; High Elongation; High Hardness; High Tensile Strength; Medium Density; Medium Flow; Ozone Resistant; Sunlight Resistant (720 hours); UV Resistant; Weather Resistant Notes: RoHS Compliant Uses: Appliance Wire Insulation; Appliance Wire Jacketing; Cable Jacketing; Connectors; Flexible Cord Jacketing; Industrial Cable Jacketing; Rubber Replacement; 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	1.00 g/cc	1.00 g/cc	ASTM D792
Melt Flow	20 g/10 min @Load 5.00 kg, Temperature 200 °C	20 g/10 min @Load 11.0 lb, Temperature 392 °F	ASTM D1238
Deformation	6.0 % @Load 2.00 kg	6.0 % @Load 4.41 lb	ASTM D621

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	84	84	ASTM D2240
Tensile Strength at Break	14.23 MPa	2064 psi	Change in tensile strength in IRM 902 oil after 168 hours at 140°F; ASTM D471
	16.5 MPa	2400 psi	0.02 in, Die C, 20 in/min, die cut from extruded tapes; ASTM D412
	18.2 MPa	2640 psi	Change in tensile strength in air after 168 hours at 277°F; ASTM D573
Tensile Stress at Strain	4.52 MPa @Strain 100 %, Thickness 0.508 mm	655 psi @Strain 100 %, Thickness 0.0200 in	Die C, 20 in/min, die cut from extruded tapes; ASTM D412
	6.21 MPa @Strain 300 %, Thickness 0.508 mm	900 psi @Strain 300 %, Thickness 0.0200 in	Die C, 20 in/min, die cut from extruded tapes; ASTM D412
Elongation at Break	534 %	534 %	After aging in air 168 hours at 277°F; ASTM D573
	558 %	558 %	After aging in IRM 902 oil after 168 hours at 140°F; ASTM D471
	600 %	600 %	0.02 in, Die C, 20 in/min, die cut from extruded tapes; ASTM D412

Electrical Properties	Metric	English	Comments
Volume Resistivity	9.60e+16 ohm-cm @Temperature 50.0 °C	9.60e+16 ohm-cm @Temperature 122 °F	ASTM D257
Dielectric Constant	2.1 @Frequency 1000 Hz	2.1 @Frequency 1000 Hz	ASTM D150
	2.33 @Frequency 1e+6 Hz	2.33 @Frequency 1e+6 Hz	ASTM D150
Dielectric Strength	38.2 kV/mm	970 kV/in	ASTM D149
Dissipation Factor	0.00010 @Frequency 1e+6 Hz	0.00010 @Frequency 1e+6 Hz	ASTM D150
	0.00020 @Frequency 1000 Hz	0.00020 @Frequency 1000 Hz	ASTM D150

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	105 °C	221 °F	Continuous Use; ASTM D746
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	90.0 °C	194 °F	UL 746
Flammability, UL94	HB @Thickness 0.762 mm	HB @Thickness 0.0300 in	All Colors
Oxygen Index	18 %	18 %	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 4	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

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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