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Durez® 23570 Black (Compression)

Phenolic

Glass Fiber Reinforcement; Mineral Filler

Supplied by Sumitomo Bakelite North America

The technical datasheet with complete property values for Durez® 23570 Black (Compression) is available to members of the Prospector Plastics Database.
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Product Description
Durez 23570 Black Phenolic is a glass and mineral filled two-stage, special purpose molding material. It is designed for high strength, good dimensional stability, and electrical properties even after long term exposure to elevated temperatures. It is designed to meet the requirements of Mil-M-14G, Type MFH. Typical uses are connectors, automotive transmission components, computer parts and brush holders.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Filler / Reinforcement 
  • Glass Fiber Reinforcement
  • Mineral Filler
  
Features 
  • Good Dimensional Stability
  • Good Electrical Properties
  • High Strength
Uses 
  • Automotive Applications
  • Computer Components
  • Connectors
Agency Ratings 
Appearance 
  • Black
Forms 
  • Granules
Processing Method 
  • Compression 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 (Saturation)
%
 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
Shear Strength
      
-- 2
psi
  
--
psi
  
Poisson's Ratio
 
  
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
CLTE - Flow (73 to 140°F)
in/in/°F
  
Specific Heat
Btu/lb/°F
  
Thermal Conductivity
Btu·in/hr/ft²/°F
  
Electrical
Nominal Value
Unit
Test Method
Volume Resistivity
ohm·cm
 ASTM D257
Dielectric Strength
     ASTM D149
-- 3
V/mil
  
-- 4
V/mil
  
Dielectric Constant (1 MHz)
 
 ASTM D2520
Dissipation Factor (1 MHz)
 
 ASTM D150
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0591 in
 
  
0.118 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
Nominal Value
Unit
Test Method
Dimensional Stability
 
 MIL M-14
Test Specimens Molded at 340-350°F
Typical transfer-molded shrinkage is 0.004 in/in
Durez 23570 is fungus resistant per Mil-I-631D and Mil-810 A/E-5272.
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Durez® 23570 Black, Durez 23570 Black, Durez® 23570 Black (Compression), Durez 23570 Black Compression, Durez® , Durez, Durez23570BlackCompression, 23570 Black, 23570 Black (Compression), 23570 Black Compression, 23570Black, BlackCompression, 23570BlackCompression, Phenolic, Sumitomo Bakelite North America, Black23570
Features
Features may also be described by the following terms: High Strength, Good Dimensional Stability, Dimensionally Stable, Good Electrical Properties.
Uses
Uses may also be described by the following terms: Automotive Applications, Automotive Sector, Computer Components, Computer Parts.
Agency Ratings
This plastic material has 3 certifications from the following agencies (the number in parentheses shows the number of certifications for that agency): MIL (3).
Notes
1Typical properties: these are not to be construed as specifications.
2after 16 hrs at 300°F
3Method A (Short-Time)
4Method 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.