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ExxonMobil Santoprene® 121-50M100 Thermoplastic Elastomer
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)

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 difficult injection molding applications. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding. It is polyolefin based and completely recyclable.

Key Features:

  • Designed for fast, easy injection molding, especially for complex part geometries.
  • Used in sealing applications.
  • Recommended for applications requiring superior part surface appearance.
  • Designed to be injected at lower molding temperatures or at lower injection pressures.
  • 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.
  • EU and China RoHS compliant.
Applications:
  • Automotive-Glass Encapsulation, HVAC Flapper Door Seals, Seals, Gaskets and Weather Seals
Uses:
  • Automotive Applications
  • Automotive Interior Trim
  • Automotive Exterior Trim
  • Automotive Under the Hood
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 PropertiesOriginal ValueComments
Specific Gravity 0.910 g/ccASTM D792
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 542 mm, 15 sec; ASTM D2240
 57Air at 302°F, 168 hr; ASTM D573
Tensile Strength at Break 536.6 psiAir at 302°F, 168 hr; ASTM D573
 624 psiAcross Flow; ASTM D412
Elongation at Break 450 %Across Flow; ASTM D412
 454.5 %Air at 302°F, 168 hr; ASTM D573
Compression Set 30 %
@Temperature 70.0 °C,
Time 79200 sec
ASTM D395
 41 %
@Temperature 125 °C,
Time 252000 sec
ASTM D395
 
Thermal PropertiesOriginal ValueComments
Brittleness Temperature -76.0 °FASTM D746
 
Processing PropertiesOriginal ValueComments
Processing Temperature 175 - 230 °C
Rear Barrel Temperature 360 °F
Middle Barrel Temperature 370 °F
Front Barrel Temperature 380 °F
Nozzle Temperature 390 °F
Melt Temperature 400 - 430 °FProcessing
Mold Temperature 50.0 - 125 °FProcessing
Drying Temperature 180 °F
Dry Time 3 hour
Moisture Content 0.080 %
Back Pressure 50.0 - 100 psiProcessing
Clamp Pressure 6000 - 10000 psi
Vent Depth 0.00100 in
Cushion 0.125 - 0.250 in
Screw Speed 100 - 200 rpm
 
Descriptive Properties
ColorBlack
FormPellets
Injection RateFast
Maximum Regrind %20
Screw Compression Ratio2:1 - 2.5:1
Screw L/D Ratio16:1 - 20:1

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