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Durez® 22257 Black (Injection)

Phenolic

Supplied by Sumitomo Bakelite North America

The technical datasheet with complete property values for Durez® 22257 Black (Injection) is available to members of the Prospector Plastics Database.
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Product Description
Durez 22257 Black Phenolic is a two-stage, medium impact molding material. It is designed for appliance and electrical applications where additional mechanical strength is required. Typical applications include circuit breakers, small motor bases and housings, appliance panels, terminal blocks, barrier strips, etc.
General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Medium Impact Resistance
Uses 
  • Appliance Components
  • Electrical/Electronic Applications
  • Housings
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
CLTE - Flow (73 to 140°F)
in/in/°F
 ASTM E831
Specific Heat
Btu/lb/°F
 ASTM C351
Thermal Conductivity
Btu·in/hr/ft²/°F
 ASTM C177
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
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0591 in
 
  
0.118 in
 
  
0.236 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 0.009 in/in
Durez 22257 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® 22257 Black, Durez 22257 Black, Durez® 22257 Black (Injection), Durez 22257 Black Injection, Durez® , Durez, Durez22257BlackInjection, 22257 Black, 22257 Black (Injection), 22257 Black Injection, 22257Black, BlackInjection, 22257BlackInjection, Phenolic, Sumitomo Bakelite North America, Black22257
Features
Features may also be described by the following terms: Medium Impact Resistance.
Uses
Uses may also be described by the following terms: Appliance Components, Appliance Parts, Electrical Applications, Electronic Applications, Electrical/Electronic Applications, Electrical Sector, Housings, Housing.
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.