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Rulon Bearings

ExxonMobil Santoprene® 251-92W232 Thermoplastic Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)
Material Notes: A hard, colorable, flame retardant thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. This material has good fluid resistance and contains non-ether brominated flame retardants (non-furan emitting). It does not contain added antioxidants or metal deactivators. 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.
  • Recommended for applications requiring excellent flex fatigue resistance.
  • Recommended for applications requiring excellent ozone resistance.
  • EU and China RoHS compliant.
Applications:
  • Automotive – Flame Retardant Connectors and Seals
  • Electrical – Flame Retardant Connectors and seals; Flame Retardant Wire and Cable Jacket
Uses:
  • Automotive Applications
  • Cable Jacketing
  • Flexible Cord Jacketing
  • Wire & Cable Applications
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; UL QMFZ2; UL QMFZ8
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 1.24 g/cc1.24 g/ccASTM D792
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore A 98982 mm, 15 sec; ISO 868
Tensile Strength at Break 13.9 MPa2020 psiAcross Flow; ASTM D412
Tensile Stress at Strain 7.17 MPa
@Strain 100 %		1040 psi
@Strain 100 %		Across Flow; ASTM D412
Elongation at Break 630 %630 %Across Flow; ASTM D412
 
Electrical PropertiesMetricEnglishComments
Dielectric Strength 31.1 kV/mm
@Thickness 2.03 mm		790 kV/in
@Thickness 0.0799 in		ASTM D149
 
Thermal PropertiesMetricEnglishComments
UL RTI, Electrical 90.0 °C194 °FUL 746
UL RTI, Mechanical with Impact  85.0 °C
@Thickness 1.50 mm		185 °F
@Thickness 0.0591 in		UL 746
 90.0 °C
@Thickness 3.00 mm		194 °F
@Thickness 0.118 in		UL 746
Flammability, UL94  V-0
@Thickness 1.50 mm		V-0
@Thickness 0.0591 in
 V-0
@Thickness 3.00 mm		V-0
@Thickness 0.118 in
Oxygen Index 26 %26 %ASTM D2863
 
Processing PropertiesMetricEnglishComments
Processing Temperature 175 - 230 °C347 - 446 °F
Mold Temperature 10.0 - 51.7 °C50.0 - 125 °FProcessing
Drying Temperature 82.2 °C180 °F
Dry Time 3 hour3 hour
Moisture Content 0.080 %0.080 %
Back Pressure 0.345 - 0.689 MPa50.0 - 100 psiProcessing
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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