Detergent for washing Fabric Aircraft

"Charlie M. (UH & 002 owner/pilot)" wrote:
/snip/
After dry, "Pledge" is a sorta cheap way to deal with a better surface,
some of the "spray on, wipe off" helps cleaning after.
I REALLY shy away from the "miracle polishes" (Nu-finish, etc) since a
lot have silicone in them, thus repairs/patches down the road don't stick well.

If you are worried about silicon wax it makes no sense to spray with
Pledge, which is a silicone oil based spray.

On Saturday, July 25, 2015 at 4:53:53 PM UTC-4, Darryl Ramm wrote:
"Charlie M. (UH & 002 owner/pilot)" wrote:
/snip/
After dry, "Pledge" is a sorta cheap way to deal with a better surface,
some of the "spray on, wipe off" helps cleaning after.
I REALLY shy away from the "miracle polishes" (Nu-finish, etc) since a
lot have silicone in them, thus repairs/patches down the road don't stick well.

If you are worried about silicon wax it makes no sense to spray with
Pledge, which is a silicone oil based spray.

Not the last I saw, but there are always changes.

BTW, it's "silicone", not "silicon" (which is used in making PC chips, etc.)
I would have to go and look to see what Pledge is now, I may have to say, "I was incorrect in today's formulation".
I have no issue in learning new stuff.

On Saturday, July 25, 2015 at 5:41:41 PM UTC-7, Charlie M. (UH & 002 owner/pilot) wrote:
On Saturday, July 25, 2015 at 4:53:53 PM UTC-4, Darryl Ramm wrote:
"Charlie M. (UH & 002 owner/pilot)" wrote:
/snip/
After dry, "Pledge" is a sorta cheap way to deal with a better surface,
some of the "spray on, wipe off" helps cleaning after.
I REALLY shy away from the "miracle polishes" (Nu-finish, etc) since a
lot have silicone in them, thus repairs/patches down the road don't stick well.

If you are worried about silicon wax it makes no sense to spray with
Pledge, which is a silicone oil based spray.

Not the last I saw, but there are always changes.

BTW, it's "silicone", not "silicon" (which is used in making PC chips, etc.)
I would have to go and look to see what Pledge is now, I may have to say, "I was incorrect in today's formulation".
I have no issue in learning new stuff.

Yes, obviously silicone, sorry iOS autocorrect got me.

And now I'm not on my iPhone.... here is a link to what is in Lemon Pledge. http://www.whatsinsidescjohnson.com/...mon-clean.aspx The silicone there is dimethicone aka polydimethylsiloxane aka "Silicone Oil" (https://en.wikipedia.org/wiki/Polydimethylsiloxane).

Pledge and similar sprays are something around 5-10% silicone oil, depending on product/dispenser type. That's what all the Pledge "no wax" and "no build-up" claims are about... it's silicone oil not a carnauba or petroleum wax based product that would build up. Being a woodworker it's the last thing I would ever get near any furniture I've finished (its harder to deal with silicone contamination with many wood finishes then automotive finishes, especially where silicon contamination is expected).

Many (Most?) of the spray plastic cleaners (spray bottles or aerosols) that folks use to clean canopies also contain silicone oil. Obviously that includes good old Lemon Pledge that many folks use, as well as specialized cleaners like Plexus Aircraft plastic Cleaner & Polish (my favorite). If you spray that stuff on your canopy you *are* coating nearby parts of your glider paint/gelcoat in silicone oil. I would use care to avoid getting it absolutely everywhere but hopefully any shop doing a finish repair or refinish will expect that/be able to deal with silicone contamination.

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.

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.

For the underbelly of the beast, original Go-Jo hand cleaner (not the stuff with pumice), works amazingly well to remove oil, grime, and exhaust stains. Wipe it on with a rag or hand, then hose or wipe off with damp rag.

I tested Go-Jo by sticking a piece of aluminum half way in and waiting a couple of weeks to make sure there were no untoward effects.

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

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).