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Specialty Compounds RTP Company

ExxonMobil Santoprene® 273-40 Thermoplastic Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)

Material Notes: A hard, colorable, specialty thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. It complies with FDA regulations for rubber articles intended for repeated use, as well as those in contact with non-fatty, non-oily foods as closures and sealing gaskets. 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:

  • This product, in principle, can be used in food contact applications in the USA (FDA). Migration or use limitations may apply.
  • Complies with NSF Standard 51: Food Equipment Materials - Plastics, materials and components used in food equipment.
  • UL listed: file #QMFZ2.E80017, Plastics - Component; file #QMFZ8.E80017, Plastics Certified For Canada - Component.
  • Recommended for applications requiring excellent flex fatigue resistance.
  • EU and China RoHS compliant.
Applications:
  • Consumer – FDA Seals and Closures, Packaging, Small Appliance and Soft Touch Grips
Uses:
  • Filters
  • Flexible Grips
  • Food Containers
  • Gaskets
  • Kitchenware
  • Living Hinges
  • Non-specific Food Applications
  • Seals
  • Tubing
  • White Goods & Small Appliances
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; FDA 21 CFR 177.1210; FDA 21 CFR 177.2600; NSF 51; 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 0.950 g/cc0.950 g/ccASTM D792
 
Mechanical PropertiesMetricEnglishComments
Hardness, Shore D 4545Air at 302°F, 168 hr; ASTM D573
 41
@Thickness 2.00 mm
41
@Thickness 0.0787 in
ISO 868
Tensile Strength at Break 19.759 MPa2865.8 psiAir at 302°F, 168 hr; ASTM D573
 22.2 MPa3220 psiAcross Flow; ASTM D412
Tensile Stress at Strain 9.03 MPa
@Strain 100 %
1310 psi
@Strain 100 %
Across Flow; ASTM D412
Elongation at Break 518.5 %518.5 %Air at 302°F, 168 hr; ASTM D573
 610 %610 %Across Flow; ASTM D412
Tear Strength 66.1 kN/m377 pli73°F, Die C; ASTM D624
Compression Set  54 %
@Temperature 70.0 °C,
Time 79200 sec
54 %
@Temperature 158 °F,
Time 22.0 hour
ASTM D395
 61 %
@Temperature 125 °C,
Time 252000 sec
61 %
@Temperature 257 °F,
Time 70.0 hour
ASTM D395
 
Thermal PropertiesMetricEnglishComments
Brittleness Temperature -50.0 °C-58.0 °FASTM D746
 
Processing PropertiesMetricEnglishComments
Processing Temperature 175 - 230 °C347 - 446 °F
Rear Barrel Temperature 193 °C380 °F
Middle Barrel Temperature 199 °C390 °F
Front Barrel Temperature 204 °C400 °F
Nozzle Temperature 210 - 238 °C410 - 460 °F
Die Temperature 216 °C420 °FExtrusion
Melt Temperature 210 °C410 °FExtrusion
 216 - 232 °C420 - 450 °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
 5.00 - 20.0 MPa725 - 2900 psiExtrusion
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
 
Compliance PropertiesMetricEnglishComments
FDA YesYes
 
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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