Jim
Where do you buy your Novus #2
Rob Abbott
AZURA
C&C 32- 84
Halifax, N.S.
On 2017-05-12 1:27 PM, Jim Watts via CnC-List wrote:
Nope, it is a surface treatment only. Deep crazing won't be affected.
Novus #2 is specifically designed for acrylics and polycarbonates and
costs much less than the proprietary "headlight polishes". I use it
regularly to remove surface scratching and hazing from portlights and
Lexan dodger windows.
If you have deeper scratches, you can use Novus #3, but if you use it
too hard you can create "lensing" on the plastic.
Jim Watts
Paradigm Shift
C&C 35 Mk III
Victoria, BC
On 12 May 2017 at 08:24, Harvey Barth via CnC-List
<cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>> wrote:
Will this process work to remove the crazing and small cracks that
appear on older hatches?
Harvey
Sent from my iPhone
On May 12, 2017, at 9:35 AM, Larry via CnC-List
<cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com>> wrote:
Bruce
You are doing it correctly. I have worked with “Plexiglass” since
the early 70’s. However you only want to use the least grit
paper to get the scratches out, so as to remove the minimum
amount of material. I usually start with 1000 or 800 grit to
determine if the scratches will come out. I then use 1200, 1500,
2000, 2500, 3000, 4000, and 5000 grit before moving on to
polishing. Then you want to use a cloth that is safe for
eyeglasses. I have done this many times on motorcycle windscreens
and aircraft windscreens. I did it ones on my boat. Now I just
take plexiglass polish three times a year to it.
Good luck
*From:*CnC-List [mailto:cnc-list-boun...@cnc-list.com
<mailto:cnc-list-boun...@cnc-list.com>] *On Behalf Of *Bruce
Whitmore via CnC-List
*Sent:* Thursday, May 11, 2017 7:01 PM
*To:* C&C List
*Cc:* Bruce Whitmore
*Subject:* Stus-List Fogged, Scratched Plexiglass - Good home
test, now to try it on our companionway hatches...
Hello all,
Our 37/40+ has tinted plexiglass sliding companionway hatches
that look fogged and lightly scratched all over from years of
sun. After reading here and other places about potential ways of
curing the issue, I ran a test here at home. I have a Ryobi
Corner Cat, and grabbed a piece of scrap plexiglass. Starting
with 360 wet/dry sandpaper, I wet sanded the nice new piece of
plexi until it looked like $#!+. Then followed with 600, 1200
and 2000, then went to buffing compound, and finally to McGuire's
polish for headlights.
Sure enough, the piece of plexiglass came out really nice & clear.
So, I think I'll try it on the sliding hatchboards unless someone
here cautions me otherwise.
What say you wise folks?
Bruce Whitmore
(847) 404-5092 <tel:%28847%29%20404-5092> (mobile)
bwhitm...@sbcglobal.net <mailto:bwhitm...@sbcglobal.net>
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All Contributions are greatly appreciated!