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Advanced Elastomer Systems Santoprene® 201-68 W228 Thermoplastic Rubber

Subcategory: Elastomer, TPE; Polymer; Thermoplastic

Material Notes:
A colorable thermoplastic rubber with good fluid resistance, formulated to replace foamed thermoset elastomers such as EPDM and thermoplastic foams. The product is designed to be processed using especially adapted physical foam extrusion lines. The product is polyolefin based and fully recyclable.

Key Features: Water used as physical foaming agent; Density range 0.95 to 0.15 depending on foaming agent level; Excellent ozone resistance; Continuos temperature rating 1000 hrs @ 125°C

Additional processing comments: Shear-dependent. For physical foaming a special modified thermoplastic extruder with adapted foaming agent dosing device is required. 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.

Physical Properties Metric English Comments

Density 0.97 g/cc 0.035 lb/in³ TPE-0105 (ASTM D792)

Apparent Bulk Density 0.15 - 0.95 g/cc 0.00542 - 0.0343 lb/in³ Typical foam

Mechanical Properties

Hardness, Shore A 68 68 5 Second; TPE-0169 (ASTM D 2240)

Tensile Strength, Ultimate 1.2 MPa 174 psi Typical foam value (ASTM D 412)

Tensile Strength, Ultimate 6.9 MPa 1000 psi TPE-0153 (ASTM D 412)

Elongation at Break 400 % 400 % TPE-0153 (ASTM D 412)

100% Modulus 0.0023 GPa 0.334 ksi TPE-0153 (ASTM D 412)

Graves Tear Strength 25 kN/m 143 pli 23°C. Value at 100°C is 10 kN/m. TPE-0056 (ASTM D 624)

Compression Set 23 % 23 % 23°C, 168 hrs.; TPE-0016 (ASTM D 412)

Compression Set, Elevated Temperature 25 % 25 % 70°C, 22 hrs.; TPE-0016 (ASTM D 412) typical foam value.

Compression Set, Elevated Temperature 33 % 33 % 100°C, 22 hrs.; TPE-0016 (ASTM D 412) typical foam value.

Compression Set, Elevated Temperature 36 % 36 % 100°C, 168 hrs.; TPE-0016 (ASTM D 412).

Tensile Set 10 % 10 % 23°C, 168 hrs.; TPE-0053 (ASTM D 412)

Thermal Properties

Maximum Service Temperature, Air 125 °C 257 °F Continuous temperature Rating, 1000 hours

Brittleness Temperature Max -60 °C Max -76 °F TPE-0089 (ASTM D 746)

Processing Properties

Drying Temperature 70 - 90 °C 158 - 194 °F recommended.

Dry Time 2 - 3 hour 2 - 3 hour recommended.

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