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Elmet Technologies

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ExxonMobil Santoprene® 171-73 Thermoplastic Elastomer  (discontinued **)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Vulcanizate Elastomer (TPV)

Material Notes: A soft, black, 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.
  • 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.
  • Recommended for applications requiring excellent flex fatigue resistance.
  • EU and China RoHS compliant.
Applications:
  • Consumer: Packaging, Small Appliance, Soft Touch Grips
  • Industrial – Seals and Gaskets
  • Tubing
Uses:
  • Filter
  • Flexible Grips
  • Food Conatiners
  • Kitchenware
  • Non-specific Food Applications
  • Seals
  • 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 PropertiesOriginal ValueComments
Specific Gravity 0.970 g/ccASTM D792
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 782 mm, 15 sec; ISO 868
 85Air at 302°F, 168 hr; ASTM D573
Tensile Strength at Break 1267.2 psiAir at 302°F, 168 hr; ASTM D573
 1280 psiAcross Flow; ASTM D412
Tensile Stress at Strain 522 psi
@Strain 100 %
Across Flow; ASTM D412
Elongation at Break 475.3 %Air at 302°F, 168 hr; ASTM D573
 490 %Across Flow; ASTM D412
Tear Strength 154 pli73°F, Die C; ASTM D624
Compression Set 28 %
@Temperature 70.0 °C,
Time 79200 sec
ASTM D395
 37 %
@Temperature 125 °C,
Time 252000 sec
ASTM D395
 
Thermal PropertiesOriginal ValueComments
Brittleness Temperature -76.0 °FASTM D746
UL RTI, Electrical 90.0 °CUL 746
UL RTI, Mechanical with Impact 90.0 °C
@Thickness 1.00 mm
UL 746
 90.0 °C
@Thickness 1.50 mm
UL 746
 95.0 °C
@Thickness 3.00 mm
UL 746
Flammability, UL94 HB
@Thickness 1.00 mm
 HB
@Thickness 1.50 mm
 HB
@Thickness 3.00 mm
 
Processing PropertiesOriginal ValueComments
Processing Temperature 175 - 230 °C
Rear Barrel Temperature 350 °F
Middle Barrel Temperature 360 °F
Front Barrel Temperature 370 °F
Nozzle Temperature 380 - 440 °F
Die Temperature 400 °FExtrusion
Melt Temperature 395 °FExtrusion
 390 - 450 °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
 725 - 2900 psiExtrusion
Clamp Pressure 6000 - 10000 psi
Vent Depth 0.00100 in
Cushion 0.125 - 0.250 in
Screw Speed 100 - 200 rpm
 
Compliance PropertiesOriginal ValueComments
FDA Yes
 
Descriptive Properties
Change in Mass in IRM 903 Oil at 257°F for 70 hr87
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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PADVA082 / 22772

Ensinger PEI

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