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Durez® 25378 Black (Injection)

Phenolic

Supplied by Sumitomo Bakelite North America

The technical datasheet with complete property values for Durez® 25378 Black (Injection) is available to members of the Prospector Plastics Database.
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Product Description
Durez 25378 Black is a two stage heat resistant / electrical grade molding material having an excellent molded finish, low shrinkage and good heat resistance. Durez 25378 has exceptional U.L. flammability ratings and good comparative tracking index.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Good Surface Finish
  • High Heat Resistance
  • Low Shrinkage
Appearance 
  • Black
Forms 
  • Granules
Processing Method 
  • Injection Molding
  • Resin Transfer Molding
  
Physical
Nominal Value
Unit
Test Method
Specific Gravity
 
 ASTM D792
Apparent Density
g/cm³
 ASTM D1895
Molding Shrinkage - Flow
in/in
 ASTM D6289
Water Absorption
%
 ASTM D570
Mechanical
Nominal Value
Unit
Test Method
Tensile Modulus
psi
 ASTM D638
Tensile Strength
psi
 ASTM D638
Flexural Strength
psi
 ASTM D790
Compressive Strength
psi
 ASTM D695
Impact
Nominal Value
Unit
Test Method
Notched Izod Impact
ft·lb/in
 ASTM D256
Thermal
Nominal Value
Unit
Test Method
Deflection Temperature Under Load (264 psi, Unannealed)
°F
 ASTM D648
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity
ohm·cm
 ASTM D257
Dielectric Strength
     ASTM D149
-- 2
V/mil
  
-- 3
V/mil
  
Dielectric Constant (1 MHz)
 
 ASTM D2520
Dissipation Factor (1 MHz)
 
 ASTM D150
Arc Resistance
sec
 ASTM D495
Comparative Tracking Index
V
 IEC 60112
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0201 in
 
  
0.0591 in
 
  
0.130 in
 
  
UL
Nominal Value
Unit
Test Method
RTI Elec (0.118 in)
°F
 UL 746
Thermoset
Nominal Value
Unit
Test Method
Shelf Life
wk
  
Additional Information
Test Specimens Molded at 340-350°F
Typical transfer-molded shrinkage is 0.005 in/in
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Durez® 25378 Black, Durez 25378 Black, Durez® 25378 Black (Injection), Durez 25378 Black Injection, Durez® , Durez, Durez25378BlackInjection, 25378 Black, 25378 Black (Injection), 25378 Black Injection, 25378Black, BlackInjection, 25378BlackInjection, Phenolic, Sumitomo Bakelite North America, Black25378
Features
Features may also be described by the following terms: High Heat Resistance, Good Surface Finish, Low Shrinkage.
Notes
1Typical properties: these are not to be construed as specifications.
2Method A (Short-Time)
3Method B (Step-by-Step)
 
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.