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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.