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	Original Value	Comments

Density	1.17 g/cc	ASTM D792
Melt Flow	2.5 g/10 min @Load 2.16 kg, Temperature 230 °C	ASTM D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore A	90 @Time 10.0 sec	Injection Molded; ASTM D2240
Hardness, Shore D	35 @Time 10.0 sec	Injection Molded; ASTM D2240
Tensile Strength at Break	1600 psi	ASTM D412
Elongation at Break	480 %	ASTM D412
Flexural Modulus	13.2 psi	1% Tangent; ASTM D412
Tear Strength	325 pli	ASTM D624
Compression Set	33 % @Temperature 22.8 °C, Time 79200 sec	ASTM D395B
	65 % @Temperature 100 °C, Time 79200 sec	ASTM D395B

Thermal Properties	Original Value	Comments
Brittleness Temperature	-30.0 °F	ASTM D746

Processing Properties	Original Value	Comments
Processing Temperature	355 - 430 °F	Hopper, Extrusion
Rear Barrel Temperature	390 - 430 °F
Middle Barrel Temperature	430 - 465 °F
Front Barrel Temperature	430 - 465 °F
Nozzle Temperature	430 - 465 °F
Zone 1	410 - 445 °F
Zone 3	410 - 445 °F
Zone 5	410 - 445 °F
Adapter Temperature	410 - 445 °F
Die Temperature	410 - 445 °F
Melt Temperature	410 - 445 °F	Extrusion
	430 - 445 °F	Injection
Mold Temperature	50.0 - 120 °F	Injection
Drying Temperature	175 - 212 °F	Injection
	175 - 212 °F	Extrusion
Injection Pressure	750 - 1300 psi
Cushion	0.200 - 0.500 in
Screw Speed	50 - 200 rpm	Injection
	100 - 200 rpm	Extrusion

Descriptive Properties
Dynamic Service Temperature	338°F

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PENTB595 / 311288

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