Entec Enflex® EA5790A Styrenic Block, TPE

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Entec Enflex® EA5790A Styrenic Block, TPE
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE
Material Notes:	Product Description: 90 Shore A TPE available in black and natural offering high heat performance with excellent oil and fluid resistance. This grade also exhibits high strength, good flexibility and resiliency. Intended for injection molding and extension processing. Designed for user the hood applications such as gaskets, grommets, seals, slugs where high heat and oil resistance is required. Availability: North America Features: Alcohol Resistant; Detergent Resistant; Good Adhesion; Good Colorability; Good Flexibility; Good Processability; High Elasticity; High Heat Resistance; High Strength; Low Compression Set; Oil Resistant; Ozone Resistant; Recyclable Material; Resilient; Soft; Solvent Resistant; UV Resistant Uses: Automotive Applications; Automotive Under the Hood; Gaskets; Grommets; Plugs; Seals Appearance: Black; Natural Color Processing Method: Extrusion; Injection Molding Information provided by Entec Polymers
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Physical Properties	Metric	English	Comments

Density	1.17 g/cc	0.0423 lb/in³	ASTM D792
Melt Flow	2.5 g/10 min @Load 2.16 kg, Temperature 230 °C	2.5 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	90 @Time 10.0 sec	90 @Time 0.00278 hour	Injection Molded; ASTM D2240
Hardness, Shore D	35 @Time 10.0 sec	35 @Time 0.00278 hour	Injection Molded; ASTM D2240
Tensile Strength at Break	11.0 MPa	1600 psi	ASTM D412
Elongation at Break	480 %	480 %	ASTM D412
Flexural Modulus	0.0000910 GPa	0.0132 ksi	1% Tangent; ASTM D412
Tear Strength	57.0 kN/m	325 pli	ASTM D624
Compression Set	33 % @Temperature 22.8 °C, Time 79200 sec	33 % @Temperature 73.0 °F, Time 22.0 hour	ASTM D395B
	65 % @Temperature 100 °C, Time 79200 sec	65 % @Temperature 212 °F, Time 22.0 hour	ASTM D395B

Thermal Properties	Metric	English	Comments
Brittleness Temperature	-34.4 °C	-30.0 °F	ASTM D746

Processing Properties	Metric	English	Comments
Processing Temperature	179 - 221 °C	355 - 430 °F	Hopper, Extrusion
Rear Barrel Temperature	199 - 221 °C	390 - 430 °F
Middle Barrel Temperature	221 - 241 °C	430 - 465 °F
Front Barrel Temperature	221 - 241 °C	430 - 465 °F
Nozzle Temperature	221 - 241 °C	430 - 465 °F
Zone 1	210 - 229 °C	410 - 445 °F
Zone 3	210 - 229 °C	410 - 445 °F
Zone 5	210 - 229 °C	410 - 445 °F
Adapter Temperature	210 - 229 °C	410 - 445 °F
Die Temperature	210 - 229 °C	410 - 445 °F
Melt Temperature	210 - 229 °C	410 - 445 °F	Extrusion
	221 - 229 °C	430 - 445 °F	Injection
Mold Temperature	10.0 - 48.9 °C	50.0 - 120 °F	Injection
Drying Temperature	79.4 - 100 °C	175 - 212 °F	Injection
	79.4 - 100 °C	175 - 212 °F	Extrusion
Injection Pressure	5.17 - 8.96 MPa	750 - 1300 psi
Cushion	0.508 - 1.27 cm	0.200 - 0.500 in
Screw Speed	50 - 200 rpm	50 - 200 rpm	Injection
	100 - 200 rpm	100 - 200 rpm	Extrusion

Descriptive Properties
Dynamic Service Temperature	338°F

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.

PENTB595 / 311288

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