Entec Enflex® S4035A Styrenic Block, TPE

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Entec Enflex® S4035A Styrenic Block, TPE
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Styrenic TPE
Material Notes:	Product Description: 35 Shore A TPE (Styrenic Block Copolymer based) available in black and natural for injection molding and extrusion applications. This grade offers soft/tactile feel, adhesion (overmolding or co-extrusion) to Polypropylene and good sealing performance. Availability: North America Features: Acid Resistant; Alcohol Resistant; Base Resistant; Detergent Resistant; Good Adhesion; Good Colorability; Good Processability; High Elasticity; Low Compression Set; 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	0.890 g/cc	0.0322 lb/in³	ASTM D792
Melt Flow	1.5 g/10 min @Load 2.16 kg, Temperature 230 °C	1.5 g/10 min @Load 4.76 lb, Temperature 446 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	33 @Time 10.0 sec	33 @Time 0.00278 hour	Extruded; ASTM D2240
	35 @Time 10.0 sec	35 @Time 0.00278 hour	Injection Molded; ASTM D2240
Tensile Strength at Break	5.45 MPa	790 psi	ASTM D412
Tensile Stress	0.614 MPa @Strain 100 %	89.0 psi @Strain 100 %	ASTM D412
Elongation at Break	730 %	730 %	ASTM D412
Tear Strength	22.8 kN/m	130 pli	ASTM D624
Compression Set	16 % @Temperature 22.8 °C, Time 79200 sec	16 % @Temperature 73.0 °F, Time 22.0 hour	ASTM D395B
	69 % @Temperature 70.0 °C, Time 79200 sec	69 % @Temperature 158 °F, Time 22.0 hour	ASTM D395B

Thermal Properties	Metric	English	Comments
Brittleness Temperature	-65.0 °C	-85.0 °F	ASTM D746

Processing Properties	Metric	English	Comments
Processing Temperature	160 - 177 °C	320 - 350 °F	Hopper, Extrusion
Rear Barrel Temperature	171 - 199 °C	340 - 390 °F
Middle Barrel Temperature	177 - 210 °C	350 - 410 °F
Front Barrel Temperature	191 - 221 °C	375 - 430 °F
Nozzle Temperature	199 - 229 °C	390 - 445 °F
Zone 1	171 - 191 °C	340 - 375 °F
Zone 3	179 - 199 °C	355 - 390 °F
Zone 5	191 - 210 °C	375 - 410 °F
Adapter Temperature	191 - 210 °C	375 - 410 °F
Die Temperature	191 - 210 °C	375 - 410 °F
Melt Temperature	191 - 199 °C	375 - 390 °F	Extrusion
	199 - 221 °C	390 - 430 °F	Injection
Mold Temperature	10.0 - 48.9 °C	50.0 - 120 °F	Injection
Drying Temperature	65.6 - 71.1 °C	150 - 160 °F	Injection
	65.6 - 71.1 °C	150 - 160 °F	Extrusion
Dry Time	2.00 - 3.00 hour	2.00 - 3.00 hour
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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PENTB626 / 311319

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