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DEXFLEX® E756

Thermoplastic Polyolefin Elastomer

Unspecified Filler\Reinfor., 2.0%

Supplied by LyondellBasell Advanced Polyolefins USA, Inc.

The technical datasheet with complete property values for DEXFLEX® E756 is available to members of the Prospector Plastics Database.
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Product Description
DEXFLEX® E756 engineered thermoplastic polyolefin (TPO) is designed for automotive roof-rail air-bag covers. This material has been designed for low-temperature air-bag deployment with a balance of stiffness and ductility. The material is typically black for non-visible applications.

Applications:
DEXFLEX® E756 engineered thermoplastic polyolefin is specifically intended for use for extruded roof-rail air-bag cover applications. The typical service temperature range is from -40 °C to 100 °C.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Unspecified Filler\Reinfor., 2.0% Filler by Weight
Features 
  • Ductile
  • Good Stiffness
  
Uses 
  • Automotive Applications
  • Protective Coverings
  
Automotive Specifications 
Appearance 
  • Black
Forms 
  • Pellets
Processing Method 
  • Injection Molding
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Melt Mass-Flow Rate (MFR) (230°C/2.16 kg)
g/10 min
 ISO 1133
Molding Shrinkage 2
     ISO 294-4
0.126 in
%
  
176°F, 48 hr, 0.126 in
%
  
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ISO 527-2/1
Tensile Stress (Yield)
psi
 ISO 527-2/50
Tensile Strain
     ISO 527-2/50
Yield
%
  
Break
%
  
Flexural Modulus 3 (73°F, 0.157 in)
psi
 ISO 178
Flexural Strength 3 (73°F, 0.157 in)
psi
 ISO 178
Scratch Resistance 4
N
  
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact Strength
     ISO 180/1A
-40°F
 
  
73°F
 
  
Instrumented Dart Impact 5
     ASTM D3763
-40°F
in·lb
  
32°F
in·lb
  
73°F
in·lb
  
Hardness
Nominal Value
Unit
Test Method
Shore Hardness (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
°F
 ASTM D3418
CLTE
     ASTM D696
Flow: -22 to 176°F
in/in/°F
  
Transverse: -22 to 176°F
in/in/°F
  
Service Temperature
°F
  
Flammability
Nominal Value
Unit
Test Method
Burning Rate
in/min
 FMVSS 302
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: DEXFLEX® E756, DEXFLEX E756, DEXFLEX® , DEXFLEX, DEXFLEXE756, E 756, E756, TPO, Thermoplastic Polyolefin Elastomer, TPO (POE), TPO POE, Thermoplastic Elastomer, TPE, LyondellBasell APO, ThermoplasticPolyolefinElastomer, TPOPOE, ThermoplasticElastomer, 756E
Features
Features may also be described by the following terms: Good Stiffness.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector, Protective Coverings, Protective Covering.
Automotive Specifications
This plastic material has approval for 3 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): CHRYSLER (1), GM (2).
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Suggested Max Moisture
%
  
Rear Temperature
°F
  
Middle Temperature
°F
  
Front Temperature
°F
  
Nozzle Temperature
°F
  
Processing (Melt) Temp
°F
  
Mold Temperature
°F
  
Injection Pressure
psi
  
Back Pressure
psi
  
Screw Speed
rpm
  
Cushion
in
  
Injection Notes
Hot Runner, Manifold & Tips: 215°C
Mold temp, Cavity: 30°C
Mold temp, Core: 24°C
First stage Injection Pressure: 35 to 105 bar
Second stage Injection Pressure: 25 to 70 bar
Injection Velocity: 10 to 80 mm/sec
Notes
1Typical properties: these are not to be construed as specifications.
2150x100x3.2 mm
30.079 in/min
4Five-finger scratch resistance, minimum load for no whitening. GMN3943, FLTM BN 108-13 DCX LP-463DD-18-1
522.0 ft/sec
 
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.