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Sunday, May 18, 2025

The Absolute Best Silicone Caulk Buster !!!

Once a polydimethylsiloxane (PDMS) chain polymer has crosslinked to itself (cured), there are very few liquid chemicals that will melt it off glass.  Short of those that have extreme health hazards.  In other words, once caulk has cured and bonded to itself and the glass, there are no products you can just wipe it off with.  But we can develop a very powerful, solvent based superabrasive loaded compound, that will very easily rub it off by hand with a soft terry towel.  Safely.  Here is a picture of  the solvent that I use.  It makes a great suspension with most any superabrasive powder.  The powder that you chose is really the key however.

Key because it must not do any harm to any factory applied thin film metal coating if it were used just in water.  Also it must not do any harm to defective glass that is scratch sensitive.  An extreme word of caution however is you should never use this solvent or any type of superabrasive provided on any type of plastic surface.  That includes acrylic, polycarbonate, or solar film.


Once blended it can be kept in a small 4 ounce open mouth jar.  Preferably made of glass.  Then if the superabrasive powder falls out of suspension it can be blended again with a coffee stirrer.  When it is ready to use a 20 ounce syringe works great.  Just soap and squeegee the window.  Then wet it with pure water.  Any silicone residue will remove the water.  Then you just put a small amount on a terry and rub the silicone off.  Soap and squeegee then wet with water again.  If the Silicone Buster has worked the water will sheet and not bead.  The solvent is water miscible so is easy to remove with soapy water.  It is not an oily chemical.

The idea in using it from a syringe is you can control how much product and time you put into removing the silicone.  Which will save you a lot of money and maximize profit.  Remember process and profit go together.

Henry

henrygrover222@gmail.com


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