Santoprene™ 241-55

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

Product Description
SupplierCelanese
Material StatusCommercial: Active
FeaturesFatigue resistance,Renewable resources,HB,Good Dimensional Stability,Low temperature toughness,Good coloring,Ozone resistance,Solvent resistance,Good heat aging resistance
AvailabilitysNorth America,Africa & Middle East ,Asia Pacific,Latin America,Europe
Process MethodsProfile extrusion,Extrusion,Multiple injection molding,Injection Molding

Technical Data
PHYSICALNominal valueUnitTest method
Density 
0.958g/cm³ASTM D792
0.960g/cm³ISO 1183

MECHANICALNominal valueUnitTest method
Shore hardness
Shore A, 15 seconds, 23 ℃59 ISO 868

elastic bodyNominal valueUnitTest method
tensile strength
TD, fracture, 23 ℃4.50MPaASTM D412 , ISO 37
TD, 100% strain, 23 ℃1.70MPaASTM D412 , ISO 37
Tensile strain
TD, fracture, 23 ℃450%ASTM D412,ISO 37

THERMALNominal valueUnitTest method
Relative temperature index90.0UL 746
Electrical performance100UL 746

Electrical performanceNominal valueUnitTest method
Compared to the leakage tracing indexPLC 0 UL 746
High Arc Burning Index (HAI)PLC 0 UL 746
High voltage arc ignition resistance index (HVAR) (PLC)PLC 6 UL 746
High voltage arc marking rate
HVTRPLC 3 UL 746
Hot wire ignition
HWIPLC 2 UL 746

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level UL 94
1.00 mmHB UL 94
1.50 mmHB UL 94
3.00 mmHB UL 94

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 temperature182°C
Nozzle temperature188 to 221°C
Processing (melt) temperature193 to 232°C
Mold temperature10 to 52°C
Injection speed快速 
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 至 20.0:1.0 
Screw compression ratio2.0:1.0 至 2.5:1.0 
Vent depth0.025mm
Drying temperature82°C
Drying time3.0hr
Melt temperature196°C
Nozzle temperature199°C
Back pressure5.00 to 20.0MPa

Notes
1. Typical properties: these are not to be construed as specifications.
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