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Chemically Resistant adhesives
Advanced Elastomer Systems Santoprene® 111-55 Thermoplastic Rubber  (Unverified Data**)
Categories: Polymer; Thermoplastic; Elastomer, TPE; Thermoplastic Elastomer, Melt-Processible Rubber

Material Notes: A black thermoplastic molding grade elastomer with good fluid resistance, formulated to replace thermoset elastomers such as EPDM, polychloroprene, and chlorosulfonated polyethylene. A high-flow material designed for use in difficult injection molding applications.

Key Features: Dielectric constant 2.3, dielectric strength at 3.17 mm (125 mil), 19.6 kV/mm (500 v/mil); Continuous temperature rating 1000 hrs. @ 135°C (275°F); Excellent flex fatigue resistance; Excellent ozone resistance; Designed for applications requiring high-flow materials; Superior mold surface appearance

Additional processing comments: This thermoplastic rubber is a shear-dependent material that can be processed on conventional thermoplastic equipment for injection molding, extrusion, or blow molding. For extrusion, a general purpose screw with a compression ratio of 2.5 to 3.0 is recommended. Material can be recycled. SANTOPRENE rubber is incompatible with acetal and PVC.

Values below are for injection molded plaques, side gated, 82.6 mm x 117.5 mm x 3.0 mm. Tensile properties measured across flow. Data provided by Advanced Elastomer Systems.

Available Properties
  • Density, TPE-0105 (ASTM D792)
  • Hardness, Shore A, 5 Second; TPE-0169 (ASTM D 2240)
  • Tensile Strength, Ultimate, TPE-0153 (ASTM D 412)
  • Elongation at Break, TPE-0153 (ASTM D 412)
  • 100% Modulus, TPE-0153 (ASTM D 412)
  • Tear Strength, 20 kN/m at 23°C. Value at 100°C is 6.7 kN/m. TPE-0056 (ASTM D 624)
  • Compression Set, 22 hrs.; TPE-0016 (ASTM D 412)
  • Tensile Set, TPE-0053 (ASTM D 412)
  • Dielectric Constant, Frequency not specified
  • Dielectric Strength
  • Maximum Service Temperature, Air, Continuous temperature Rating, 1000 hours
  • Brittleness Temperature, TPE-0089 (ASTM D 746)
  • Processing Temperature
  • Drying Temperature, Desiccant drying for 3 hours recommended
  • Dry Time
Property Data

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Manufacturer Notes:
Advanced Elastomer Systems, Division of ExxonMobil

Category Notes
Thermoplastic Elastomer

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