Tuesday, 17 February 2009

Removing Silicone

Before it cures:
To remove silicone before it is cured, use a putty knife to remove any of the uncured paste. Wipe the area clean with isopropyl alcohol to remove any leftover residue.

After it is cured:
First you should mechanically remove as much of the silicone as you can with either a knife or a razor. A solvent can them be used to remove any oily residue or any remaining silicone. It may be necessary to soak the silicone in a solvent overnight to break it down.

Below is a list of solvents in the order of aggressiveness in attacking the silicone:
· Paint thinner (mineral spirits)
· Toluene
· Xylene
· Acetone
· Methylene chloride.

When using solvents, as with any material, proper safety precautions should be observed.

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