Tube DIY Asylum

Are we talking about nail polish or nail polish remover?

146.198.163.244

andy evans

In Reply to: RE: This is asking for trouble. posted by sser2 on September 19, 2017 at 13:56:17

Are we talking about nail polish or nail polish remover? Nail polish remover is traditionally acetone based, though you can get acetone free versions as well. Presumably it isn't the acetone that's nitrocellulose....

Follow Ups:

RE: Are we talking about nail polish or nail polish remover? - vinnie2 15:06:19 09/19/17 (4)
I'm talking about clear nail polish.

Edits: 09/19/17
- Nail polish or acetone? - andy evans 01:08:57 09/20/17 (3)
  Eli D writes "First, try a solvent, like acetone or MEK. "Reactivating" the old cement may be all that's needed. If additional holding power is needed, try cyanoacrylate".
  
  He seems to be saying use acetone to re-activate the old glue, not add fresh nail varnish.
  
  If that's the case I like the idea of re-activating what's already there before adding either superglue or RTV silicone. Seems to make sense.
  - RE: Nail polish or acetone? - vinnie2 05:03:44 09/20/17 (2)
    To each his own. The polish has and continues to work well for me. It must have some solvents in it as well, becuase it seems to soften the old glue before it dries. The solvents are probably volatile and evaporate off. If I ever have some acetone around I will give it a try.
    
    Edits: 09/20/17 09/20/17 09/20/17
    - DIY Audio thread - andy evans 07:26:57 09/20/17 (1)
      "To re-cement the tube, use clear nail polish - paint a ring around the base, let the polish soak into the old cement, recoat, and let dry overnight. Polystyrene "coil dope" works as well, and can be used to refill the nail-polish bottle. Solvent (acetone, etc.) are ineffective in softening the old base cement - the cement was baked hard in manufacture, and "nothing" dissolves it."
      
      Source : Tube Lore by Ludwell Sibley - post by Bas Horneman
      DIY Audio thread (Open in New Window)
      - RE: DIY Audio thread - vinnie2 08:30:37 09/20/17 (0)
        
        In Reply to: RE: DIY Audio thread posted by andy evans on September 20, 2017 at 07:26:57
        
        Matches what I have read in old radio restoration books and articles. Thanks for the info.

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