ExxonMobil Santoprene® 121-73W175 Thermoplastic Elastomer

Category	Polymer , Thermoplastic , Elastomer, TPE , Thermoplastic Vulcanizate Elastomer (TPV)
Manufacturer	Exxon Chemical
Trade Name	Santoprene®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	ExxonMobil Santoprene® 121-73W175 Thermoplastic Elastomer.pdf
Price	EMAIL US sales@lookpolymers.com
	Online Service lookpolymers 27660005

Material Notes:

A soft, black, UV resistant thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material combines good physical properties and chemical resistance, and is designed for thin wall or complex profile extrusion applications. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for extrusion. 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.Compliant to EU Directive 2003/11/EC regarding marketing and use of certain dangerous substances and preparations, specifically pentabromodiphenyl ether or octabromodiphenyl ether.Designed for extruding thin sections with excellent definition (down to 0.33 mm [0.013"] radius). Long runs with minimal build-up of material on screen packs or narrow die sections.EU and China RoHS compliant.Applications:Automotive- Seals, Gaskets and Weather SealsUses:Automotive ApplicationsAutomotive Exterior Trim 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	0.970 g/cc	0.970 g/cc	23°C; ASTM D792

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	78	78	Air at 302°F, 168 hr; ASTM D573
	83	83	2 mm, 15 sec; ISO 868
Tensile Strength at Break	8.031 MPa	1165 psi	Air at 302°F, 168 hr; ASTM D573
	8.83 MPa	1280 psi	Across Flow; ASTM D412
Tensile Stress	3.50 MPa @Strain 100 %	508 psi @Strain 100 %	Across Flow; ASTM D412
Elongation at Break	450.8 %	450.8 %	Air at 302°F, 168 hr; ASTM D573
	460 %	460 %	Across Flow; ASTM D412
Tear Strength	24.0 kN/m	137 pli	73°F, Die C, Across Flow; ASTM D624
Compression Set	33 %	33 %	158°F, 22 hr; ASTM D395
	42 %	42 %	257°F, 70 hr; ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	135 °C	275 °F
Brittleness Temperature	-60.0 °C	-76.0 °F	ASTM D746
Flammability, UL94	HB @Thickness 1.00 mm	HB @Thickness 0.0394 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	2.7	2.7	1.98 mm; ASTM D150
Dielectric Strength	27.2 kV/mm	690 kV/in	2.03 mm; ASTM D149

Processing Properties	Metric	English	Comments
Processing Temperature	175 - 230 °C	347 - 446 °F
Die Temperature	204 °C	400 °F	Extrusion
Melt Temperature	177 - 204 °C	350 - 400 °F	Extrusion
Drying Temperature	82.2 °C	180 °F
Dry Time	3 hour	3 hour
Back Pressure	5.00 - 20.0 MPa	725 - 2900 psi	Extrusion

Descriptive Properties	Value	Comments
Change in Mass in IRM 903 Oil at 257°F for 70 hr	45
Color	Black
Form	Pellets

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