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  Aerospace Adhesives --- Scotch-Weld EC 3500-2 B/A Structural Void Filling Compound
     
 
EC 3500-2 is a two part, heat curing, high temperature resistant, void filling compound offering the following advantages.
 
It has a high performance from -55°C to +175°C (-67°F to +347°F) and a convenient 1:1 mix ratio.
 
EC 3500-2 has a long storage stability, long work life and low density.
 
  It is excellent water and chemical resistant and it is thixotropic for ease of application.
 
Type Description
Colour Off-white (B), Dark grey (A)
Kind of chemistry Epoxy
Consistency Thixotropic paste
Cured density 0.68 g/cm³
Mix ratio 100 by wt. (B) : 100 by wt. (A)
Pot life 48 hours (minimum)
Compressive strength 7375 psi (50.8 MPa) 23°C (73°F)
4195 psi (28.9 MPa) 135 °C (275°F)
3730 psi (25.7 MPa) 150 °C (302°F)
2670 psi (18.4 MPa) 175 °C (347°F)
Cure cycle 1 hour at 175°C (347°F)
Application methods Spatula, trowel
 

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