Entec Enflex® EA3750A Styrenic Block, TPE

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Entec Enflex® EA3750A Styrenic Block, TPE
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE
Material Notes:	Product Description: 50 Shore A TPE (Styrenic Block Copolymer based) available in black and natural for injection molding and extrusion applications. This grade offers soft/tactile feel and adhesion (overmolding or co-extrusion) to ABS, PC and HIPS/PS. Availability: North America Features: Acid Resistant; Alcohol Resistant; Base Resistant; Detergent Resistant; Good Adhesion; Good Colorability; Good Processability; High Elasticity; Oil Resistant; Ozone Resistant; Recyclable Material; Soft; Solvent Resistant; UV Resistant Appearance: Black; Natural Color Processing Method: Extrusion; Injection Molding Information provided by Entec Polymers
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Physical Properties	Metric	English	Comments

Density	0.930 g/cc	0.0336 lb/in³	ASTM D792
Melt Flow	8.0 g/10 min @Load 2.16 kg, Temperature 190 °C	8.0 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	46 @Time 10.0 sec	46 @Time 0.00278 hour	Extruded; ASTM D2240
	48 @Time 10.0 sec	48 @Time 0.00278 hour	Injection Molded; ASTM D2240
Tensile Strength at Break	8.27 MPa	1200 psi	ASTM D412
Tensile Stress	3.21 MPa @Strain 100 %	465 psi @Strain 100 %	ASTM D412
Elongation at Break	650 %	650 %	ASTM D412
Tear Strength	35.8 kN/m	204 pli	ASTM D624
Compression Set	23 % @Temperature 22.8 °C, Time 79200 sec	23 % @Temperature 73.0 °F, Time 22.0 hour	ASTM D395B
	65 % @Temperature 70.0 °C, Time 79200 sec	65 % @Temperature 158 °F, Time 22.0 hour	ASTM D395B

Thermal Properties	Metric	English	Comments
Brittleness Temperature	-55.0 °C	-67.0 °F	ASTM D746

Processing Properties	Metric	English	Comments
Processing Temperature	149 - 171 °C	300 - 340 °F	Hopper, Extrusion
Rear Barrel Temperature	149 - 171 °C	300 - 340 °F
Middle Barrel Temperature	171 - 191 °C	340 - 375 °F
Front Barrel Temperature	199 - 221 °C	390 - 430 °F
Nozzle Temperature	199 - 221 °C	390 - 430 °F
Zone 1	171 - 191 °C	340 - 375 °F
Zone 3	171 - 191 °C	340 - 375 °F
Zone 5	179 - 199 °C	355 - 390 °F
Adapter Temperature	179 - 210 °C	355 - 410 °F
Die Temperature	179 - 210 °C	355 - 410 °F
Melt Temperature	191 - 210 °C	375 - 410 °F	Injection
	191 - 221 °C	375 - 430 °F	Extrusion
Mold Temperature	10.0 - 48.9 °C	50.0 - 120 °F	Injection
Drying Temperature	54.4 - 71.1 °C	130 - 160 °F	Injection
	54.4 - 71.1 °C	130 - 160 °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	194°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.

PENTB587 / 311280

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