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Hytrel® DYM250S BK472

THERMOPLASTIC POLYESTER ELASTOMER

Supplied by DuPont Performance Polymers

The technical datasheet with complete property values for Hytrel® DYM250S BK472 is available to members of the Prospector Plastics Database.
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Product Description
Hytrel® DYM250S BK472 is a medium modulus resin suited for injection molding of Air Bag Deployment Doors. It has a nominal durometer hardness of 49D and contains fine particle size carbon black.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Additive 
  • Antioxidant
Features 
  • Good Creep Resistance
  • Low Temperature Flexibility
  • Low Temperature Impact Resistance
  • Medium Hardness
  
Uses 
  • Automotive Applications
RoHS Compliance 
Automotive Specifications 
 
Appearance 
  • Black
Processing Method 
  • Injection Molding
Part Marking Code (ISO 11469)
  • >TPC-ET+PBT<
Resin ID (ISO 1043)
  • TPC-ET+PBT
Physical
Nominal Value
Unit
Test Method
Density
g/cm³
 ISO 1183
Melt Mass-Flow Rate (MFR) (240°C/2.16 kg)
g/10 min
 ISO 1133
Molding Shrinkage
     ISO 294-4
Across Flow
%
  
Flow
%
  
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
psi
 ISO 527-2
Tensile Stress
     ISO 527-2/1BA
Break, 73°F
psi
  
50% Strain, 73°F
psi
  
Tensile Stress - 10% Strain (73°F)
psi
 ISO 527-2/1BA
Tensile Strain (Break, 73°F)
%
 ISO 527-2/1BA
Flexural Modulus (73°F)
psi
 ISO 178
Hardness
Nominal Value
Unit
Test Method
Shore Hardness
     ISO 868
Shore D
 
  
Shore D, 15 sec
 
  
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
Brittleness Temperature
°F
 ISO 974
Melting Temperature 2
°F
 ISO 11357-3
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Hytrel® DYM250S BK472, Hytrel DYM250S BK472, Hytrel® , Hytrel, HytrelDYM250SBK472, DYM 250 S BK 472, DYM250S BK472, DYM250, 250S, SBK, BK472, DYM250SBK472, Thermoplastic Copolyester Elastomer, TPC-ET, TPCET, TPC:ET, TPC/ET, TPC+ET, TPC_ET, TPC ET, Thermoplastic Elastomer, TPE, DuPont, ThermoplasticCopolyesterElastomer, ThermoplasticElastomer, 250DYM
Features
Features may also be described by the following terms: Low Temperatuer Impact Resistance, Low Temp Impact Resistance, Medium Hardness, Low Temperature Flexibility, Good Creep Resistance, Creep Resistant.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector.
Automotive Specifications
This plastic material has approval for 2 automotive specifications from the following agencies (the number in parentheses shows the number of specifications for that agency): CHRYSLER (1), GM (1).
Injection
Nominal Value
Unit
 
Drying Temperature
°F
  
Drying Time
hr
  
Suggested Max Moisture
%
  
Processing (Melt) Temp
°F
  
Melt Temperature, Optimum - Injection Molding
°F
  
Mold Temperature
°F
  
Mold Temperature, Optimum - Injection Molding
°F
  
Notes
1Typical properties: these are not to be construed as specifications.
210°C/min
 
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.