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Hytrel® DYM350BK

THERMOPLASTIC POLYESTER ELASTOMER

Supplied by DuPont Performance Polymers

The technical datasheet with complete property values for Hytrel® DYM350BK is available to members of the Prospector Plastics Database.
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Product Description
Hytrel® DYM350BK is a medium modulus polyester alloy suited for injection molding of Air Bag Deployment Doors. It has a nominal durometer hardness of 55D and contains fine particle size carbon black.
General  
Material Status 
  • Commercial: Active
Availability 
  • Asia Pacific
  • Europe
  • North America
Additive 
  • Antioxidant
  • Heat Stabilizer
  
Features 
  • Good Creep Resistance
  • Heat Stabilized
  • Low Temperature Flexibility
  • Low Temperature Impact Resistance
  • Medium Hardness
Uses 
  • Automotive Applications
RoHS Compliance 
Automotive Specifications 
  •  1
Appearance 
  • Black
Processing Method 
  • Injection Molding
Multi-Point Data 
  • Isothermal Stress vs. Strain (ISO 11403-1)
Part Marking Code (ISO 11469)
  • >TPC-ET+PBT<
Resin ID (ISO 1043)
  • TPC-ET+PBT
Physical
Nominal Value
Unit
Test Method
Specific Gravity
      
--
 
 ASTM D792
--
g/cm³
 ISO 1183
Melt Mass-Flow Rate (MFR)
      
240°C/2.16 kg
g/10 min
 ASTM D1238
240°C/2.16 kg
g/10 min
 ISO 1133
Melt Volume-Flow Rate (MVR) (240°C/2.16 kg)
in³/10min
 ISO 1133
Molding Shrinkage
      
Flow: 0.0500 in
in/in
 ASTM D955
Across Flow: 0.0500 in
in/in
 ASTM D955
Across Flow: 0.0787 in
%
 ISO 294-4
Flow: 0.0787 in
%
 ISO 294-4
Water Absorption
     ISO 62
73°F, 24 hr
%
  
Saturation, 73°F
%
  
Equilibrium, 73°F, 50% RH
%
  
Water Absorption - Immersion, 168 hr (73°F)
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus (73°F)
psi
 ISO 527-2
Tensile Stress
      
Yield, 73°F
psi
 ISO 527-2/1BA
Break, 73°F
psi
 ASTM D638
Break, 73°F
psi
 ISO 527-2/1BA
5.0% Strain, 73°F
psi
 ASTM D638
15% Strain, 73°F
psi
 ASTM D638
10% Strain, 73°F
psi
 ASTM D638
50% Strain, 73°F
psi
 ISO 527-2/1BA
Tensile Stress
     ISO 527-2/1BA
10% Strain: 73°F
psi
  
5% Strain: 73°F
psi
  
Tensile Strain
      
Yield, 73°F
%
 ISO 527-2/1BA
Break, 73°F
%
 ASTM D638
Break, 73°F
%
 ISO 527-2/1BA
Nominal Tensile Strain at Break (73°F)
%
 ISO 527-2/1BA
Flexural Modulus
      
-40°F
psi
 ASTM D790
73°F
psi
 ASTM D790, ISO 178
212°F
psi
 ASTM D790
Impact
Nominal Value
Unit
Test Method
Charpy Unnotched Impact Strength
     ISO 179/1eU
-22°F
 
  
73°F
 
  
Notched Izod Impact
     ASTM D256
-76°F
ft·lb/in
  
-40°F
 
  
-22°F
 
  
73°F
 
  
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness
      
Shore D
 
 ASTM D2240, ISO 868
Shore D, 15 sec
 
 ISO 868
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load
      
66 psi, Unannealed
°F
 ASTM D648
66 psi, Unannealed
°F
 ISO 75-2/B
264 psi, Unannealed
°F
 ASTM D648
264 psi, Unannealed
°F
 ISO 75-2/A
Brittleness Temperature
°F
 ISO 974
Glass Transition Temperature
     ISO 11357-2
--
°F
  
-- 3
°F
  
Melting Temperature
      
-- 4
°F
 ISO 11357-3
--
°F
 ASTM D3418
Electrical
Nominal Value
Unit
Test Method
Surface Resistivity
ohms
 IEC 60093
Volume Resistivity
ohm·cm
 IEC 60093
Relative Permittivity
     IEC 60250
73°F, 100 Hz
 
  
73°F, 1 MHz
 
  
Dissipation Factor
     IEC 60250
73°F, 100 Hz
 
  
73°F, 1 MHz
 
  
Comparative Tracking Index
V
 IEC 60112
Electric Strength (73°F)
V/mil
 IEC 60243-1
Flammability
Nominal Value
Unit
Test Method
Oxygen Index
%
 ISO 4589-2
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Hytrel® DYM350BK, Hytrel DYM350BK, Hytrel® , Hytrel, HytrelDYM350BK, DYM 350 BK, DYM350BK, DYM350, 350BK, Thermoplastic Copolyester Elastomer, TPC-ET, TPCET, TPC:ET, TPC/ET, TPC+ET, TPC_ET, TPC ET, Thermoplastic Elastomer, TPE, DuPont, ThermoplasticCopolyesterElastomer, ThermoplasticElastomer, 350DYM
Features
Features may also be described by the following terms: Heat Stabilized, Heat-ageing Stabilized, Heat Ageing Stabilized, Heat-aging Stabilized, Heat Aging Stabilized, Low Temperatuer Impact Resistance, Low Temp Impact Resistance, Medium Hardness, Good Creep Resistance, Creep Resistant, Low Temperature Flexibility.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector.
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), FORD (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
  
Drying Recommended
 
  
Notes
1This specification is applicable for the Americas region.
2Typical properties: these are not to be construed as specifications.
32°C/min
410°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.