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ExxonMobil Santoprene® 8211-35 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® 8211-35 Thermoplastic Elastomer.pdf
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Material Notes:
A soft, colorable, non-hygroscopic thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material combines good physical properties and chemical resistance for use in difficult injection molding applications. This grade of Santoprene 8000 TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding. It is polyolefin based and completely recyclable.Key Features: Non-hygroscopic product, requires little to no drying before processing.Neutral, easy coloring formulation.Excellent ozone resistance.Used in sealing applications.Recommended for applications requiring excellent flex fatigue 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 – Grips, HVAC Flapper Door Seals, Interior, Interior Mat, Weather Seals and Consumer ApplicationsSeals and GasketsSoft Touch GripsUses:Automotive ApplicationsCell PhonesConsumer ApplicationsFlexible GripsSealsProcessing Method: Injection Molding and Multi Injection MoldingAvailability: Africa & Middle East, Europe, North America, Asia Pacific, Latin America and South AmericaInformation provided by ExxonMobil Chemical
Physical Properties Metric English Comments
Specific Gravity 0.930 g/cc
0.930 g/cc
23°C; ASTM D792
Mechanical Properties Metric English Comments
Hardness, Shore A 38
38
2 mm, 15 sec; ISO 868
41
41
Air at 302°F, 168 hr; ASTM D573
Tensile Strength at Break 2.293 MPa
332.6 psi
Air at 302°F, 168 hr; ASTM D573
2.90 MPa
421 psi
Across Flow; ASTM D412
Tensile Stress 1.00 MPa

@Strain 100 %
145 psi

@Strain 100 %
Across Flow; ASTM D412
Elongation at Break 287 %
287 %
Air at 302°F, 168 hr; ASTM D573
350 %
350 %
Across Flow; ASTM D412
Compression Set 10 %
10 %
73°F, 22 hr; ASTM D395
36 %
36 %
257°F, 70 hr; ASTM D395
Thermal Properties Metric English Comments
Brittleness Temperature -65.0 °C
-85.0 °F
ASTM D746
Processing Properties Metric English Comments
Processing Temperature 175 - 230 °C
347 - 446 °F
Rear Barrel Temperature 177 - 191 °C
351 - 376 °F
Middle Barrel Temperature 179 - 193 °C
354 - 379 °F
Front Barrel Temperature 185 - 199 °C
365 - 390 °F
Nozzle Temperature 185 - 210 °C
365 - 410 °F
Melt Temperature 143 - 216 °C
289 - 421 °F
Processing
Mold Temperature 10.0 - 51.7 °C
50.0 - 125 °F
Moisture Content 0.080 %
0.080 %
Back Pressure 0.345 - 0.689 MPa
50.0 - 100 psi
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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