Santoprene™ 241-73W236

About
A soft, colorable, specialty thermoplastic vulcanizate (TPV) in the thermoplastic elastomer (TPE) family. It is designed for use in plumbing applications in contact with potable water. This grade of Santoprene TPV is shear-dependent and can be processed on conventional thermoplastics equipment for injection molding, extrusion, blow molding, thermoforming or vacuum forming. It is polyolefin based and recyclable within the manufacturing stream.&&

Product Description
SupplierCelanese
Material StatusCommercial: Active
FeaturesSolvent resistance,Copper contact stability,Good heat aging resistance,Good coloring,Fatigue resistance,Renewable resources,Ozone resistance,Good Dimensional Stability,Low temperature toughness
AvailabilitysEurope,Latin America,North America,Asia Pacific,Africa & Middle East
Process MethodsInjection Molding,Extrusion,Profile extrusion,Multiple injection molding,Thermo forming

Technical Data
PHYSICALNominal valueUnitTest method
Density0.968g/cm³ASTM D792
Density0.970g/cm³ISO 1183

elastic bodyNominal valueUnitTest method
tensile strength
TD, fracture, 23 ℃8.80MPaASTM D412
TD, fracture, 23 ℃8.80MPaISO 37
TD, 100% strain, 23 ℃3.60MPaISO 37
TD, 100% strain, 23 ℃3.60MPaASTM D412
Tensile strain
TD, fracture, 23 ℃490%ASTM D412
TD, fracture, 23 ℃490%ISO 37
Compression deformation ASTM D395B
23℃,168 hr25%ASTM D395B
100℃,168 hr57%ASTM D395B
Compression deformation ISO 815
23℃,168 hr25%ISO 815
100℃,168 hr57%ISO 815

MECHANICALNominal valueUnitTest method
Shore hardness
Shore A, 15 seconds, 23 ℃79 ISO 868

Process Conditions
injectionNominal valueUnitTest method
ExtrusionNominal valueUnitTest method
Drying temperature82°C
Drying time3.0hr
Recommended maximum moisture content0.080%
Proposed maximum recycled material ratio20%
Barrel rear temperature177°C
Barrel middle temperature182°C
Barrel front temperature188°C
Nozzle temperature193 to 227°C
Processing (melt) temperature199 to 232°C
Mold temperature10 to 52°C
Injection speedFast 
Back pressure0.345 to 0.689MPa
Screw speed100 to 200rpm
Clamping force4.1 to 6.9kN/cm²
Cushion3.18 to 6.35mm
Screw length to diameter ratio16.0:1.0 to 20.0:1.0 
Screw compression ratio2.0:1.0 to 2.5:1.0 
Vent depth0.025mm
Drying temperature82°C
Drying time3.0hr
Melt temperature202°C
Nozzle temperature204°C
Back pressure5.00 to 20.0MPa

Notes
1. Typical properties: these are not to be construed as specifications.
2. Type 1
3. Type A
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