ExxonMobil Santoprene® 241-73 Thermoplastic Elastomer

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ExxonMobil Santoprene® 241-73 Thermoplastic Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes:	A soft, colorable, specialty thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. It complies with NSF 61 for plumbing applications in contact with potable water and NSF 51 for food processing equipment. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding, extrusion or blow molding. It is polyolefin based and completely recyclable. Complies with NSF Standard 51: Listed Plastic Materials and Components used in Food Equipment. Complies with NSF Standard 61: Piping System Components for Drinking Water. Recommended for applications requiring excellent flex fatigue resistance. Information provided by Advanced Elastomer Systems
Key Words:	EU 2003/11/EC; NSF 51; NSF 61; RoHS Compliant; UL QMFZ2; UL QMFZ8
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Specific Gravity	0.970 g/cc	0.970 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	73	73	.12 in; ASTM D2240
Tensile Strength at Break	8.83 MPa	1280 psi	Across Flow; ASTM D412
Tensile Strength, Ultimate	3.59 MPa	520 psi	Across Flow; ASTM D412
Elongation at Break	490 %	490 %	Across Flow; ASTM D412
Compression Set	25 % @Temperature 22.8 °C, Time 79200 sec	25 % @Temperature 73.0 °F, Time 22.0 hour	ASTM D395
	54 % @Temperature 100 °C, Time 605000 sec	54 % @Temperature 212 °F, Time 168 hour	ASTM D395

Processing Properties	Metric	English	Comments
Processing Temperature	175 - 230 °C	347 - 446 °F
Rear Barrel Temperature	177 °C	350 °F
Middle Barrel Temperature	182 °C	360 °F
Front Barrel Temperature	188 °C	370 °F
Nozzle Temperature	193 - 227 °C	380 - 440 °F
Die Temperature	204 °C	400 °F	Extrusion
Melt Temperature	202 °C	395 °F	Extrusion
	199 - 232 °C	390 - 450 °F	Processing
Mold Temperature	10.0 - 51.7 °C	50.0 - 125 °F	Processing
Drying Temperature	82.2 °C	180 °F
Dry Time	3 hour	3 hour
Moisture Content	0.080 %	0.080 %
Back Pressure	0.345 - 0.689 MPa	50.0 - 100 psi	Processing
	5.00 - 20.0 MPa	725 - 2900 psi	Extrusion
Clamp Pressure	41.4 - 68.9 MPa	6000 - 10000 psi
Vent Depth	0.00254 cm	0.00100 in
Cushion	0.317 - 0.635 cm	0.125 - 0.250 in
Screw Speed	100 - 200 rpm	100 - 200 rpm

Descriptive Properties
Color	Natural Color
Form	Pellets
Injection Rate	Fast
Maximum Regrind %	20
Screw Compression Ratio	2:1 - 2.5:1
Screw L/D Ratio	16:1 - 20:1

**
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