Entec Enflex® EA3555A Styrenic Block, TPE

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Entec Enflex® EA3555A Styrenic Block, TPE
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE
Material Notes:	Product Description: CCMED TPE 50A NAT is and easy processing elastomer formulated for injection molding applications. This material is non-hydroscopic, has fast setup time, and has excellent mechanical properties. Regulatory Status: CCMED TPE 50A NAT is formulated with medical grade resins and is suspected to be suitable for use in disposable devices classified by the FDA as Class I & Class II. Availability: North America Features: Good Processability Uses: Medical/Healthcare Applications Processing Method: Extrusion; Injection Molding Information provided by Entec Polymers
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Physical Properties	Metric	English	Comments

Density	0.950 g/cc	0.0343 lb/in³	ASTM D792
Melt Flow	8.0 g/10 min @Load 2.16 kg, Temperature 230 °C	8.0 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	55 @Time 10.0 sec	55 @Time 0.00278 hour	Extruded; ASTM D2240
	58 @Time 10.0 sec	58 @Time 0.00278 hour	Injection Molded; ASTM D2240
Tensile Strength at Break	4.81 MPa	698 psi	ASTM D412
Tensile Stress	1.48 MPa @Strain 100 %	215 psi @Strain 100 %	ASTM D412
Elongation at Break	570 %	570 %	ASTM D412
Tear Strength	26.3 kN/m	150 pli	ASTM D624
Compression Set	20 % @Temperature 22.8 °C, Time 79200 sec	20 % @Temperature 73.0 °F, Time 22.0 hour	ASTM D395B
	45 % @Temperature 70.0 °C, Time 79200 sec	45 % @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	160 - 179 °C	320 - 355 °F	Hopper, Extrusion
Rear Barrel Temperature	171 - 199 °C	340 - 390 °F
Middle Barrel Temperature	229 - 241 °C	445 - 465 °F
Front Barrel Temperature	241 - 249 °C	465 - 480 °F
Nozzle Temperature	221 - 241 °C	430 - 465 °F
Zone 1	229 - 241 °C	445 - 465 °F
Zone 3	241 - 249 °C	465 - 480 °F
Zone 5	241 - 249 °C	465 - 480 °F
Adapter Temperature	229 - 249 °C	445 - 480 °F
Die Temperature	229 - 249 °C	445 - 480 °F
Melt Temperature	229 - 249 °C	445 - 480 °F	Injection
	229 - 249 °C	445 - 480 °F	Extrusion
Mold Temperature	10.0 - 48.9 °C	50.0 - 120 °F	Injection
Drying Temperature	60.0 - 70.0 °C	140 - 158 °F	Injection
	60.0 - 70.0 °C	140 - 158 °F	Extrusion
Dry Time	2.00 - 3.00 hour	2.00 - 3.00 hour	Injection
	2.00 - 3.00 hour	2.00 - 3.00 hour	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

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PENTB582 / 311275

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