eFunda Polymers: Properties of Polyester (thermoset) {cast, flexible}
engineering fundamentals Polymer Material Properties
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Polyester (thermoset)
 
List of Suppliers
State: cast
Application: flexible
Material Properties
 Mechanical Properties Conditions
State 1 State 2 ASTM
Tensile Strength (MPa)   3 - 21 at break   D638
Elongation at break (%)   40 - 310     D638
Hardness   84 - 94  Shore D   D638
Izod Impact (J/cm of notch)
1/8" thick specimen unless noted
  3.7     D256A

 Physical & Electrical Properties Conditions
State ASTM
Specific Gravity  1.01 - 1.2   D792
Water Absorption (% weight increase)  0.5 - 2.5  after 24 hrs D570
Dielectric Strength (V/mil);
1/8" thick specimen unless noted
  250 - 400   D149

 Processing Properties Conditions
Type ASTM
Melting Temperature (ºC)  thermoset  Tm, crystalline  

Suppliers
AOC Collierville, TN   
Aristech Chemical Corp. Pittsburgh, PA   
ICI Americas, Inc. Wilmington, DE   
Interplastic Corp. St Paul, MN  800-736-5497
Reichhold Research Triangle Park, NC  800-431-1920
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