Riteflex® 435

About
Riteflex® 435 is a Thermoplastic Polyester Elastomer with a 35 nominal Shore D hardness, low modulus and outstanding low temperature impact strength and tear resistance.&&

Product Description
SupplierCelanese
GenericTPC-ET
Material StatusCommercial: Active
FeaturesGood tear strength,low-temperature impact resistance,HB
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe
Process MethodsExtrusion

Technical Data
PHYSICALNominal valueUnitTest method
Density1.10g/cm³ISO 1183
Melt Flow Rate
220℃,2.16kg9.0g/10minISO 1133
Shrinkage rate ISO 294-4
TD1.0%ISO 294-4
MD1.3%ISO 294-4

MECHANICALNominal valueUnitTest method
Shore hardness ISO 868
Shore A, 15 seconds91 ISO 868
Shore D, 15 seconds35 ISO 868
Tensile modulus45.0MPaISO 527-2/1A/1
tensile strength 
fracture16.0MPaISO 527-2/1A/50
5% strain2.00MPaISO 527-2
10% strain3.00MPaISO 527-2
50% strain6.00MPaISO 527-2/1A/50
Tensile strain
fracture650%ISO 527-2/1A/50
Bending modulus ISO 178
-40℃240MPaISO 178
23℃35.0MPaISO 178
100℃19.0MPaISO 178
bending strength ISO 178
3.50% strain1.00MPaISO 178
23℃3.00MPaISO 178
Ross Twist Test> 1.0E+6CyclesInternal Method

elastic bodyNominal valueUnitTest method
tear strength ISO 34-1
TD89kN/mISO 34-1
MD89kN/mISO 34-1
Basho’s elasticity 
60%Internal Method
65%ASTM D2632

IMPACTNominal valueUnitTest method
Charpy Notched Impact Strength ISO 179/1eA
-30℃No Break ISO 179/1eA
23℃No Break ISO 179/1eA
Charpy Unnotch Impact strength ISO 179/1eU
-30℃No Break ISO 179/1eU
23℃No Break ISO 179/1eU
Impact strength of cantilever beam notch ISO 180/1A
-40℃No Break ISO 180/1A
-30℃No Break ISO 180/1A
23℃No Break ISO 180/1A
Notched impact strength of cantilever beam ISO 180/1U
-30℃No Break ISO 180/1U
23℃No Break ISO 180/1U

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed45.0ISO 75-2/B
Melting temperature185ISO 11357-3
Linear coefficient of thermal expansion
MD2.4E-41/℃ISO 11359-2

Electrical performanceNominal valueUnitTest method
Surface resistivity2.0E+15ohmsIEC 60093
Volume resistivity2.0E+13ohms·cmIEC 60093
Dielectric strength25kV/mmIEC 60243-1
Relative permittivity
1 MHz5.10 IEC 60250
Compared to the leakage tracing index> 600VIEC 60112

FLAME CHARACTERISTICSNominal valueUnitTest method
Flame retardant level
1.50 mmHB UL 94

Process Conditions
injectionNominal valueUnitTest method
Drying temperature100 to 110°C
Drying time4.0hr
Recommended maximum moisture content0.050%
Proposed maximum recycled material ratio25%
Hopper temperature20 to 50°C
Barrel rear temperature185 to 200°C
Barrel middle temperature185 to 200°C
Barrel front temperature185 to 210°C
Nozzle temperature200 to 215°C
Processing (melt) temperature200 to 215°C
Mold temperature20 to 55°C
Injection speedModerate-Fast 
Back pressure0.00 to 0.345MPa

Notes
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