ExxonMobil Santoprene® 121-80 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® 121-80 Thermoplastic Elastomer.pdf
Price	EMAIL US sales@lookpolymers.com
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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 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 certification.Recommended for applications requiring excellent flex fatigue resistance.Excellent ozone resistance.Designed for improved UV resistance.EU and China RoHS compliant.Applications:Automotive- Seals and GasketsUses:Automotive Applications 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	85	85	2 mm, 15 sec; ISO 868
	92	92	Air at 275°F, 1008 hr; ASTM D573
Tensile Strength at Break	10.70 MPa	1552 psi	Air at 275°F, 1008 hr; ASTM D573
	11.0 MPa	1600 psi	Across Flow; ASTM D412
Tensile Stress	4.60 MPa @Strain 100 %	667 psi @Strain 100 %	Across Flow; ASTM D412
Elongation at Break	477 %	477 %	Air at 275°F, 1008 hr; ASTM D573
	530 %	530 %	Across Flow; ASTM D412
Tear Strength	35.1 kN/m	200 pli	73°F, Die C, Across Flow; ASTM D624
Compression Set	25 %	25 %	73°F, 22 hr; ASTM D395
	52 %	52 %	257°F, 70 hr; ASTM D395

Thermal Properties	Metric	English	Comments
Maximum Service Temperature, Air	135 °C	275 °F
Brittleness Temperature	-58.9 °C	-74.0 °F	ASTM D746
UL RTI, Electrical	90.0 °C	194 °F	UL 746
UL RTI, Mechanical with Impact	90.0 °C @Thickness 1.00 mm	194 °F @Thickness 0.0394 in	UL 746
	90.0 °C @Thickness 1.50 mm	194 °F @Thickness 0.0591 in	UL 746
	95.0 °C @Thickness 3.00 mm	203 °F @Thickness 0.118 in	UL 746
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	2.6	2.6	1.96 mm; ASTM D150
Dielectric Strength	28.0 kV/mm	710 kV/in	2.03 mm; ASTM D149

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 - 232 °C	380 - 450 °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	Value	Comments
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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