Solvent-Soak and Abrading

If water-break-free surfaces cannot be obtained by tear-ply, sandblasting, or manual scouring, the plastic laminates should be treated as follows  

Check for water-break-free condition. If achieved, the parts may be bonded. If not, resoak the laminates in acetone for an additional 24 h minimum and repeat the rest of the procedure. Parts that do not pass the water-break-free test should be rejected 

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