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Silastic 591-HC

Silicone

Supplied by Dow Corning Corporation

The technical datasheet with complete property values for Silastic 591-HC is available to members of the Prospector Plastics Database.
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General  
Material Status 
  • Commercial: Active
Availability 
  • North America
Features 
  • Fast Cure
  • Good Colorability
  • Good Thermal Stability
Uses 
  • Cable Jacketing
  • Connectors
  • Electrical Parts
  • Gaskets
  • Seals
Appearance 
  • Colors Available
  • Tan
  
Forms 
  • Liquid
Processing Method 
  • Encapsulating
  • Extrusion
  • Liquid Injection Molding (LIM)
Physical
Nominal Value
Unit
Test Method
Apparent Density
g/cm³
 ASTM D1895
Molding Shrinkage - Flow
in/in
 ASTM D955
Elastomers
Nominal Value
Unit
Test Method
Tensile Strength (Yield)
psi
 ASTM D412
Tensile Elongation (Break)
%
 ASTM D412
Tear Strength
lbf/in
 ASTM D624
Compression Set (347°F)
%
 ASTM D395
Hardness
Nominal Value
Unit
Test Method
Durometer Hardness (Shore A)
 
 ASTM D2240
Electrical
Nominal Value
Unit
Test Method
Dissipation Factor (100 Hz)
 
 ASTM D150
Arc Resistance (0.125 in)
sec
 ASTM D495
Flammability
Nominal Value
Unit
Test Method
Flame Rating - UL
     UL 94
0.0625 in
 
  
0.125 in
 
  
Oxygen Index
%
 ASTM D2863
Thermoset
Nominal Value
Unit
Test Method
Thermoset Components
      
Hardener
 
  
Resin
 
  
Pot Life (73°F)
min
  
Shelf Life (90°F)
wk
  
Thermoset Mix Viscosity
cP
 ASTM D2393
Related Terminology
Product names can be difficult to match. You may have searched any one of these terms to find this product: Silastic 591-HC, Silastic 591HC, Silastic , Silastic591HC, 591, 591-HC, 591HC, 591:HC, 591/HC, 591+HC, 591_HC, 591 HC, Silicone, Dow Corning, HC591
Features
Features may also be described by the following terms: Good Colorability, Fast Cure, Fast Curing, Good Thermal Stability.
Uses
Uses may also be described by the following terms: Gaskets, Gasketing.
Notes
1Typical properties: these are not to be construed as specifications.
 
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.