Teknor Apex TEKRON® 4300-D88A Thermoplastic Elastomer

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Teknor Apex TEKRON® 4300-D88A Thermoplastic Elastomer
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber
Material Notes:	Information provided by Teknor Apex Company
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Physical Properties	Metric	English	Comments

Specific Gravity	0.880 - 0.920 g/cc	0.880 - 0.920 g/cc	ASTM D792
Melt Density	0.785 g/cc @Temperature >=125 °C	0.0284 lb/in³ @Temperature >=257 °F
Linear Mold Shrinkage, Flow	0.0090 cm/cm	0.0090 in/in	at 80°C for 30 min.
	0.0090 cm/cm	0.0090 in/in
	0.012 cm/cm	0.012 in/in	at 93°C for 30 min.
Linear Mold Shrinkage, Transverse	0.0090 cm/cm	0.0090 in/in	at 80°C for 30 min.
	0.010 cm/cm	0.010 in/in
	0.013 cm/cm	0.013 in/in	at 93°C for 30 min.
Melt Flow	12 g/10 min @Load 2.16 kg, Temperature 230 °C	12 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	30 - 36	30 - 36	10 second delay; ASTM D2240
Tensile Strength, Yield	7.933 MPa	1151 psi	94% Retention; Air Over Aged 1000 hrs at 90°C
	8.102 MPa	1175 psi	96% Retention; Air Over Aged 400 hrs at 107°C
	8.439 MPa	1224 psi	ASTM D412
	8.827 MPa	1280 psi	104.6% Retention; Air Over Aged 1008 hrs at 100°C, Perpendicular
	9.114 MPa	1322 psi	108% Retention; Air Over Aged 1008 hrs at 100°C, Parallel
Elongation at Break	427.5 %	427.5 %	75% Retention; Air Over Aged 400 hrs at 107°C
	438.9 %	438.9 %	77% Retention; Air Over Aged 1000 hrs at 90°C
	467.97 %	467.97 %	82.1% Retention; Air Over Aged 1008 hrs at 100°C, Perpendicular
	526.68 %	526.68 %	92.4% Retention; Air Over Aged 1008 hrs at 100°C, Parallel
	570 %	570 %	ASTM D412
Flexural Modulus	0.138 GPa	20.0 ksi	ASTM D790
Tear Strength	61.4 kN/m	350 pli	Die C; ASTM D1004

Thermal Properties	Metric	English	Comments
Specific Heat Capacity	2.586 J/g-°C	0.6181 BTU/lb-°F
Thermal Conductivity	0.159 W/m-K @Temperature 205 °C	1.10 BTU-in/hr-ft²-°F @Temperature 401 °F
Melting Point	125 °C	257 °F	No Flow Temp
Brittleness Temperature	<= -60.0 °C	<= -76.0 °F	ASTM D746
Flame Spread	25.4 mm/min	1.00 in/min	Pass: Burn Rate- Max 100; FMVSS 302

Descriptive Properties
Fogging	72, 6 hours at 95°C. (SAE-J1756)
Weight Change	-0.5%;Air Over Aged 400 hrs at 107°C
	-0.7%; Air Over Aged 1000 hrs at 90°C

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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PTEKNO299 / 70042

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