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  Aerospace Adhesives --- Scotch-Weld EC 1648 B/A Rigid Epoxy Adhesive
     
 
 
EC 1648 B/A is a two part 24°C (75°F) curing adhesive designed for bonding polyester and metal panels to themselves and each other.
 
It is a higher performing product at elevated temperatures.
 
It has similar properties as EC 1838 B/A with increased high temperature resistance.
 
  It has good adhesion to steel and good retention of strength after ageing in many environments.
   
EC 1648 B/A is a long work life adhesive with 8-12 hours handling strenghth.
 
It offers the following advantages. EC 1648 B/A cures to a strong durable bond in 24-48 hours (24°C/75°F).
 
Paste viscosity which allows the use of EC 1648 B/A on vertical or overhead surfaces with little or no tendency to flow.
 
 
Type Description
Colour White (B), Green (A)
Kind of chemistry Epoxy
Consistency Heavy paste (B), Heavy paste (A)
Mix ratio 3 by wt. (B) : 2 by wt. (A), 6 by vol. (B) : 5 by vol. (A)
Pot life Approx. 60 minutes (both)
Average T-Peel 4 piw (7 N/cm) 24°C (75°F)
Overlap shear strength 2500 psi (17.2 MPa) 24°C (75°F)
700 psi (4.8 MPa) 82°C (180°F)
400 psi (2.8 MPa) 121°C (250°F)
Handling strength 8-12 hours
Bonding range 24-48 hours (24°C/75°F)
Application methods Spatula, trowel, flow equipment

   

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