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Riteflex® 677

Thermoplastic Copolyester Elastomer

Supplied by Ticona

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Product Description
Riteflex 677 is a thermoplastic polyester elastomer with nominal hardness of 77 shore D and high modulus.
General  
Material Status 
  • Commercial: Active
Availability 
  • Africa & Middle East
  • Asia Pacific
  • Europe
  • Latin America
  • North America
  • South America
Features 
  • High Stiffness
RoHS Compliance 
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Specific Gravity
      
--
 
 ASTM D792
--
g/cm³
 ISO 1183
Melt Mass-Flow Rate (MFR)
      
--
g/10 min
 ASTM D1238
250°C/2.16 kg
g/10 min
 ISO 1133
Molding Shrinkage
      
Flow
in/in
 ASTM D955
Across Flow
%
 ISO 294-4
Flow
%
 ISO 294-4
Water Absorption (73°F, 24 hr)
%
 ASTM D570
Shear
1/°C
 Internal Method
Viscosity
Pa·s
 Internal Method
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
      
73°F
psi
 ASTM D638
--
psi
 ISO 527-2/1A/1
Tensile Strength
      
Yield, 73°F
psi
 ASTM D638
Yield
psi
 ISO 527-2/1A/50
Break
psi
 ISO 527-2/1A/50
50% Strain
psi
 ISO 527-2/1A/50
Tensile Strain
      
Yield
%
 ISO 527-2/1A/50
Break, 73°F
%
 ASTM D638
Break
%
 ISO 527-2/1A/50
Nominal Tensile Strain at Break
%
 ISO 527-2/1A/50
Flexural Modulus
      
73°F
psi
 ASTM D790
73°F
psi
 ISO 178
Flexural Strength (3.5% Strain)
psi
 ISO 178
Elastomers
Nominal Value
Unit
Test Method
Tear Strength
      
--
lbf/in
 ASTM D624
--
lbf/in
 ASTM D1004
Bayshore Resilience
%
 ASTM D2632
Impact
Nominal Value
Unit
Test Method
Charpy Notched Impact Strength (73°F)
ft·lb/in²
 ISO 179/1eA
Notched Izod Impact
      
-40°F
ft·lb/in
 ASTM D256
73°F
ft·lb/in
 ASTM D256
73°F
ft·lb/in²
 ISO 180/1A
Unnotched Izod Impact (73°F)
 
 ASTM D256, ISO 180/1U
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness
      
Shore D
 
 ASTM D2240
Shore D, 15 sec
 
 ISO 868
Thermal
Nominal Value
Unit
Test Method
Heat Deflection Temperature
      
66 psi, Unannealed
°F
 ISO 75-2/B
264 psi, Unannealed
°F
 ISO 75-2/A
Melting Temperature 2
°F
 ISO 11357-3, ASTM D3418
CLTE - Flow
in/in/°F
 ISO 11359-2
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity
      
--
ohm·cm
 ASTM D257
--
ohm·cm
 IEC 60093
Dielectric Strength
      
-- 3
V/mil
 ASTM D149
--
V/mil
 IEC 60243-1
Relative Permittivity (1 MHz)
 
 IEC 60250
Dissipation Factor (1 MHz)
 
 IEC 60250
Comparative Tracking Index
      
--
V
 IEC 60112
--
V
 ASTM D3638
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
--
 
  
0.0591 in
 
  
Additional Information
Nominal Value
Unit
Test Method
Processing Temperature
°F
 Internal Method
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Riteflex® 677, Riteflex 677, Riteflex® , Riteflex, Riteflex677, 677, Thermoplastic Copolyester Elastomer, TPC-ET, TPCET, TPC:ET, TPC/ET, TPC+ET, TPC_ET, TPC ET, Thermoplastic Elastomer, TPE, Ticona, ThermoplasticCopolyesterElastomer, ThermoplasticElastomer
Features
Features may also be described by the following terms: High Stiffness.
Injection
Nominal Value
Unit
 
Suggested Max Regrind
%
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Rate
 
  
Back Pressure
psi
  
Injection Notes
Screw Speed: Medium

Injection speed, injection pressure and holding pressure have to be optimized to the individual article geometry. To avoid material degradation during processing low back pressure and minimum screw speed have to be used. Overheating of the material has to be avoided, in particular for flame retardant grades. Up to 25% clean and dry regrind may be used.
Notes
1Typical properties: these are not to be construed as specifications.
210°C/min
3Method A (Short-Time)
 
IDES
Copyright © 2012 IDES
The information presented on this datasheet was acquired by IDES from the producer of the material. IDES makes substantial efforts to assure the accuracy of this data. However, IDES assumes no responsibility for the data values and strongly encourages that upon final material selection, data points are validated with the material supplier.