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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Shore D	30 - 36	10 second delay; ASTM D2240
Tensile Strength, Yield	1151 psi	94% Retention; Air Over Aged 1000 hrs at 90°C
	1175 psi	96% Retention; Air Over Aged 400 hrs at 107°C
	1224 psi	ASTM D412
	1280 psi	104.6% Retention; Air Over Aged 1008 hrs at 100°C, Perpendicular
	1322 psi	108% Retention; Air Over Aged 1008 hrs at 100°C, Parallel
Elongation at Break	427.5 %	75% Retention; Air Over Aged 400 hrs at 107°C
	438.9 %	77% Retention; Air Over Aged 1000 hrs at 90°C
	467.97 %	82.1% Retention; Air Over Aged 1008 hrs at 100°C, Perpendicular
	526.68 %	92.4% Retention; Air Over Aged 1008 hrs at 100°C, Parallel
	570 %	ASTM D412
Flexural Modulus	20000 psi	ASTM D790
Tear Strength	350 pli	Die C; ASTM D1004

Thermal Properties	Original Value	Comments
Specific Heat Capacity	2.586 J/g-°C
Thermal Conductivity	0.159 W/m-K @Temperature 205 °C
Melting Point	125 °C	No Flow Temp
Brittleness Temperature	<= -60.0 °C	ASTM D746
Flame Spread	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

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PTEKNO299 / 70042

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