ExxonMobil Santoprene® 123-40 Thermoplastic Elastomer

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ExxonMobil Santoprene® 123-40 Thermoplastic Elastomer
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. Key Features: Recommended for applications requiring excellent flex fatigue resistance. Excellent ozone resistance. Designed for improved UV resistance. Although not NSF certified, this product has a Material Supplier Form on file with NSF to facilitate its evaluation for use in applications requiring NSF certification. EU and China RoHS compliant. Applications: Automotive- Weather Seals Uses: Automotive Applications Automotive Exterior Trim Availability: Africa & Middle East, Europe, North America, Asia Pacific, Latin America and South America Information provided by ExxonMobil Chemical
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	Metric	English	Comments

Specific Gravity	0.960 g/cc	0.960 g/cc	ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	43	43	Air at 302°F, 168 hr; ASTM D573
	41 @Thickness 2.00 mm, Time 15.0 sec	41 @Thickness 0.0787 in, Time 0.00417 hour	ISO 868
Tensile Strength at Break	15.85 MPa	2299 psi	Air at 302°F, 168 hr; ASTM D573
	19.1 MPa	2770 psi	Across Flow; ASTM D412
Tensile Stress at Strain	9.10 MPa @Strain 100 %	1320 psi @Strain 100 %	Across Flow; ASTM D412
Elongation at Break	483.6 %	483.6 %	Air at 302°F, 168 hr; ASTM D573
	620 %	620 %	Across Flow; ASTM D412
Tear Strength	67.1 kN/m	383 pli	73°F, Die C, Across Flow; ASTM D624

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.6	2.6	1.98 mm; ASTM D150
Dielectric Strength	31.1 kV/mm	790 kV/in	2.03 mm; ASTM D149

Thermal Properties	Metric	English	Comments
Brittleness Temperature	-57.8 °C	-72.0 °F	ASTM D746

Processing Properties	Metric	English	Comments
Processing Temperature	175 - 230 °C	347 - 446 °F
Rear Barrel Temperature	193 °C	380 °F
Middle Barrel Temperature	199 °C	390 °F
Front Barrel Temperature	204 °C	400 °F
Nozzle Temperature	210 - 238 °C	410 - 460 °F
Die Temperature	216 °C	420 °F	Extrusion
Melt Temperature	210 °C	410 °F	Extrusion
	216 - 232 °C	420 - 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	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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