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Rulon Bearings

ExxonMobil Santoprene® 8211-35 Thermoplastic Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)

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 Applications
  • Seals and Gaskets
  • Soft Touch Grips
Uses:
  • Automotive Applications
  • Cell Phones
  • Consumer Applications
  • Flexible Grips
  • Seals
Processing Method: Injection Molding and Multi Injection Molding

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.
 
Physical PropertiesMetricEnglishComments
Specific Gravity 0.930 g/cc0.930 g/ccASTM D792
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 38382 mm, 15 sec; ISO 868
 4141Air at 302°F, 168 hr; ASTM D573
Tensile Strength at Break 2.293 MPa332.6 psiAir at 302°F, 168 hr; ASTM D573
 2.90 MPa421 psiAcross Flow; ASTM D412
Tensile Stress at Strain 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 %
@Temperature 22.8 °C,
Time 79200 sec
10 %
@Temperature 73.0 °F,
Time 22.0 hour
ASTM D395
 36 %
@Temperature 125 °C,
Time 252000 sec
36 %
@Temperature 257 °F,
Time 70.0 hour
ASTM D395
 
Thermal PropertiesMetricEnglishComments
Brittleness Temperature -65.0 °C-85.0 °FASTM D746
 
Processing PropertiesMetricEnglishComments
Processing Temperature 175 - 230 °C347 - 446 °F
Rear Barrel Temperature 177 - 191 °C351 - 376 °F
Middle Barrel Temperature 179 - 193 °C354 - 379 °F
Front Barrel Temperature 185 - 199 °C365 - 390 °F
Nozzle Temperature 185 - 210 °C365 - 410 °F
Melt Temperature 143 - 216 °C289 - 421 °FProcessing
Mold Temperature 10.0 - 51.7 °C50.0 - 125 °F
Moisture Content 0.080 %0.080 %
Back Pressure 0.345 - 0.689 MPa50.0 - 100 psi
Clamp Pressure 41.4 - 68.9 MPa6000 - 10000 psi
Vent Depth 0.00254 cm0.00100 in
Cushion 0.317 - 0.635 cm0.125 - 0.250 in
Screw Speed 100 - 200 rpm100 - 200 rpm
 
Descriptive Properties
ColorNatural Color
FormPellets
Injection RateFast
Maximum Regrind %20
Screw Compression Ratio2:1 - 2.5:1
Screw L/D Ratio16:1 - 20:1

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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