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#21
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Silicon free polishes?
On Sep 28, 2:09*pm, Martin Gregorie
wrote: On Mon, 28 Sep 2009 16:46:49 +0100, Nick Hill wrote: I have used Sparkle before but cannot now find a local UK outlet. Do you know of UK suppliers? I can't find any UK suppliers either. However, I did discover that AFE and Severn Valley Sailplanes stock Meguiars canopy polish, which got an honorable mention earlier in this thread. They also have Plexus canopy polish. Anybody know anything about this stuff?. Severn also stock Mer, just in case you can't get it from the local Halfords. -- martin@ * | Martin Gregorie gregorie. | Essex, UK org * * * | I've been using Plexus for over 10 years and love it - works great in both dusty (no static after application) and humid climates. After a lot of applications, it can get a bit hazy, then just using water and a clean cloth will clean it up. I keep a can and an old - but clean - tshirt in my car, and use it on any glider or towplane I'm about to fly; it's amazing what most club ship canopies look like! Highly recommended. Kirk LS6-b "66" |
#22
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Silicon free polishes?
On Mon, 28 Sep 2009 07:49:49 -0700, Darryl Ramm wrote:
Mer's lack of clear marketing is more a headscratcher. Maybe they're not so unclear after all - see below. There are sites claiming Mer products are silicone free. As for the Mer website "silicon" content (note they say silicon not silicone). Who knows what they mean to say but likely most *polishes* do contain silicon dioxide or similar. I wrote "silicone" because I assumed they'd misspelled it, given that so many polishes contain silicones. So blame me for that. As I said, the Mer MSDS only mentions EINECS 265-150-3 (hydro-treated heavy naptha) and CAS 64742-48-9 (non-aromatic hydrocarbon solvents). The risk-phrase codings translate as follows: [-]R10 = Flammable. [Xn] R65 = Harmful: may cause lung damage if swallowed. [-] R66 = Repeated exposure may cause skin dryness or cracking. That's everything in MSDS section 3 (Composition). Now whether they contain one of the silicone oils is a different question. Presumably, you would expect silicones to appear in an MSDS if they are product ingredients, so the implication is that there are indeed no silicones in this polish. It could make sense to put silicon in this type of product to act as a mild abrasive because its fairly inert and only moderately hard (7 on Moh's scale, same as quartz, so toward the soft end of most industrial abrasives). -- martin@ | Martin Gregorie gregorie. | Essex, UK org | |
#23
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Silicon free polishes?
Martin Gregorie wrote:
On Mon, 28 Sep 2009 16:46:49 +0100, Nick Hill wrote: I have used Sparkle before but cannot now find a local UK outlet. Do you know of UK suppliers? I can't find any UK suppliers either. However, I did discover that AFE and Severn Valley Sailplanes stock Meguiars canopy polish, which got an honorable mention earlier in this thread. They also have Plexus canopy polish. Anybody know anything about this stuff?. Severn also stock Mer, just in case you can't get it from the local Halfords. I've used Plexus and it is pretty good but some people at my club reckon that Sparkle was better, in the old days when you could find it in the UK! Nick |
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