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Go Back   SailNet Community > On Board > Gear & Maintenance > polishing plex
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Topic Review (Newest First)
03-07-2010 03:18 PM
PCP
Quote:
Originally Posted by nereussailor View Post
How would one of those kits for polishing headlights on a car work? or am I way off base on this?

Dave
Thanks for the idea

Now, after half an hour of work I can say that it works on a car headlights...at least it worked on a 2000 Mitsubishi Pajero

I have used a medium grade plastic polish. Have done it by hand with circular movements. They were yellowish...now they look new

Regards

Paulo
03-07-2010 12:25 PM
Keldee My husband uses Brasso metal polish once a year on our old ports,works well and is cheap and does the brass too.
03-06-2010 06:05 PM
jrd22 Dog- side windows are 1/2" Lexan with a light tint. Hatches I'm not positive, but they scratch fairly easy so I've assumed Lexan, but not sure. Novus seems to work well on both.
03-06-2010 05:54 PM
sailingdog JRD—

Are the side ports and hatches lexan or acrylic. Acrylic is the standard, and unless you replaced them, I'd be surprised if they were polycarbonate.

Quote:
Originally Posted by jrd22 View Post
I usually polish our Lexan side windows and the hatches once per year. Unless there are deep scratches I just use the Novus #1 and #2, deep scratches need #3. Our hatches were really bad when we bought the boat. Now they look OK and you can see through them but they don't look shiny new. Novus is good stuff.
03-06-2010 05:50 PM
FSMike My lady has used insulator wax as preventive maintenance for decades. It works well to help fend off UV damage, scratches, etc., before they happen. Don't know how well it would work to bring back stuff that's already damaged.
03-06-2010 05:47 PM
jrd22 I usually polish our Lexan side windows and the hatches once per year. Unless there are deep scratches I just use the Novus #1 and #2, deep scratches need #3. Our hatches were really bad when we bought the boat. Now they look OK and you can see through them but they don't look shiny new. Novus is good stuff.
03-06-2010 02:35 PM
JamesG123 Yeah, pretty much. Acrylic left exposed to sunlight should be considered a consumable item that will need periodic replacement.
03-06-2010 12:41 PM
TortugasLane
What are your choices?

So no matter what the cause, once you have hazing, crazying, scratches etc., you have no choice but to polish or change out the plastic. Is that the correct conclusion?
03-05-2010 11:38 PM
JamesG123 Clouding, and yellow hazing esp. around the edges, is UV damage. Scratches and 'crazing' are physical scratches like from salt. Scratches accelerate the UV degradation because they open up more surface area in the plastic to be attacked.
03-05-2010 07:52 PM
TortugasLane
Another Question

Wouldn't you think that if Lexan needed polishing that it probably does not have a UV light protection film on it? Or is there another reason why Lexan might need polishing? I guess it could be physical scratches. How do you know the difference between UV light deterioration and physical scratches?
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