ExxonMobil Santoprene® 203-50 Thermoplastic Elastomer

Category	Polymer , Thermoplastic , Elastomer, TPE , Thermoplastic Vulcanizate Elastomer (TPV)
Manufacturer	Exxon Chemical
Trade Name	Santoprene®
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	ExxonMobil Santoprene® 203-50 Thermoplastic Elastomer.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

A hard, colorable, versatile 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: UL listed: file #QMFZ2.E80017, Plastics - Component; file #QMFZ8.E80017, Plastics Certified For Canada - Component.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 certificationExcellent ozone resistance.EU and China RoHS compliant. Applications: General PurposeUses:Appliance Components Automotive ApplicationsAutomotive Under the Hood Consumer ApplicationsDiaphramsElectrical PartsLiving HingesTubing Availability: Africa & Middle East, Europe, North America, Asia Pacific, Latin America and South AmericaInformation provided by ExxonMobil Chemical

Physical Properties	Metric	English	Comments
Specific Gravity	0.950 g/cc	0.950 g/cc	23°C; ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore D	56	56	Air at 302°F, 168 hr; ASTM D573
	51 @Thickness 2.00 mm, Time 15.0 sec	51 @Thickness 0.0787 in, Time 0.00417 hour	ISO 868
Tensile Strength, Yield	8.1579 MPa	1183.2 psi	Air at 302°F, 168 hr; ASTM D573
	12.0 MPa	1740 psi	Across Flow; ASTM D638
Elongation at Yield	22.6 %	22.6 %	Air at 302°F, 168 hr; ASTM D573
	31 %	31 %	Across Flow; ASTM D638
Tear Strength	87.1 kN/m	497 pli	73°F, Die C; ASTM D624
Compression Set	59 %	59 %	158°F, 22 hr; ASTM D395
	74 %	74 %	257°F, 70 hr; ASTM D395

Thermal Properties	Metric	English	Comments
Brittleness Temperature	-27.8 °C	-18.0 °F	ASTM D746
UL RTI, Electrical	85.0 °C	185 °F	UL 746
UL RTI, Mechanical with Impact	85.0 °C	185 °F	UL 746
Flammability, UL94	HB @Thickness 25.4 mm	HB @Thickness 1.00 in
	HB @Thickness 1.50 mm	HB @Thickness 0.0591 in
	HB @Thickness 3.00 mm	HB @Thickness 0.118 in

Electrical Properties	Metric	English	Comments
Dielectric Constant	2.3	2.3	1.98 mm; ASTM D150
Dielectric Strength	35.0 kV/mm	890 kV/in	2.03 mm; ASTM D149

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 - 241 °C	410 - 465 °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	Value	Comments
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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