ExxonMobil Santoprene® 123-50 Thermoplastic Elastomer

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ExxonMobil Santoprene® 123-50 Thermoplastic Elastomer (discontinued **)
Categories:	Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes:	A hard, black, UV resistant thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material combines good physical properties and chemical resistance for use in a wide range of applications. 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. Recommended for applications requiring excellent flex fatigue resistance. Excellent ozone resistance. Designed for improved UV resistance. Information provided by Advanced Elastomer Systems
Key Words:	EU 2003/11/EC; RoHS Compliant
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	Original Value	Comments

Specific Gravity	0.950 g/cc	ASTM D792

Mechanical Properties	Original Value	Comments
Hardness, Shore D	50	.12 in; ASTM D2240
	57	Air at 302°F, 168 hr; ASTM D573
Tensile Strength at Break	1343 psi	257°F, 70 hr in IRM 903 Oil; ASTM D471
	1360 psi	Air at 302°F, 168 hr; ASTM D573
Tensile Strength, Ultimate	1700 psi	Across Flow; ASTM D412
Elongation at Break	22.2 %	Air at 302°F, 168 hr; ASTM D573
	25.2 %	257°F, 70 hr, in IRM 903 Oil; ASTM D471
	30 %	Across Flow; ASTM D412
Tear Strength	491 pli	73°F, Die C; ASTM D624

Electrical Properties	Original Value	Comments
Dielectric Strength	640 V/mil	ASTM D149
	850 V/mil	ASTM D149

Thermal Properties	Original Value	Comments
Brittleness Temperature	-33.0 °F	ASTM D746

Processing Properties	Original Value	Comments
Processing Temperature	175 - 230 °C
Rear Barrel Temperature	380 °F
Middle Barrel Temperature	390 °F
Front Barrel Temperature	400 °F
Nozzle Temperature	410 - 465 °F
Die Temperature	420 °F	Extrusion
Melt Temperature	410 °F	Extrusion
	420 - 450 °F	Processing
Mold Temperature	50.0 - 125 °F	Processing
Drying Temperature	180 °F
Dry Time	3 hour
Moisture Content	0.080 %
Back Pressure	50.0 - 100 psi	Processing
	725 - 2900 psi	Extrusion
Clamp Pressure	6000 - 10000 psi
Vent Depth	0.00100 in
Cushion	0.125 - 0.250 in
Screw Speed	100 - 200 rpm

Descriptive Properties
Color	Black
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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