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#1
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Dan Marotta wrote:
Out of curiosity, how do auto body shops deal with silicone waxes during repairs? Must they strip an entire panel down to the primer (or bare metal) before repainting? Or do they simply replace panels? On 7/25/2015 10:52 PM, Darryl Ramm wrote: On Saturday, July 25, 2015 at 9:04:36 PM UTC-7, Charlie M. (UH & 002 owner/pilot) wrote: Thanks for the info & link Darryl. I believe Pledge has changed formulations over the years, good to know what is in it now (maybe it was always in there...?) But yes, most of the "wipe on/wipe off" stuff has silicone in it. While a shop should "assume" silicone is on the surface, it's nice to not find it. As to a wash, I stick to what I use followed by a good paste wax coat at least a few times a year. I suspect it always has had silicon oil in it, even though it was initially marketed with slogans that said "wax".... but then it's neither a "polish". Misuse of all those terms in marketing is unfortunately common in finishing trades. Pledge came out in the late 1950s and Silicone oils started being used in the 1950s. e.g. hybrid wax/silicone automotive car waxes were patented in the early 1950s. And it started being added to lots and lots of products. -- Dan Marotta Surface prep cleaners used properly. Care not to spread contaminants around e.g. on sandpaper. And use of compatible paints/additives (actually typically a silicone oil derivative itself... which lets the paint flow out over silicone contamination). |
#2
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This concern for silicone contaminating a glider surface making it very difficult to complete a durable repair does not seem to be a valid concern at this time.
I have had many long talks with commercial repair people. They just assume that every surface has silicone on it because it is in virtually all products. They have told me repeatedly over the last ten years that silicone is NOT a concern. |
#3
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On Sunday, July 26, 2015 at 1:14:58 PM UTC-7, wrote:
This concern for silicone contaminating a glider surface making it very difficult to complete a durable repair does not seem to be a valid concern at this time. I have had many long talks with commercial repair people. They just assume that every surface has silicone on it because it is in virtually all products. They have told me repeatedly over the last ten years that silicone is NOT a concern. Back when Larry Mansberger had his shop at Minden, I asked him about all the flurry about silicones in waxes etc. At the time, and probably still, most of Consumer Reports top rated waxes had silicones. Larry said it wasn't a big deal, they solvent cleaned and prepped surfaces before repairs is any case and that silicone contamination wasn't a concern. Good enough for me. bumper |
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