Thanks Jim for your insights. Novus is arriving today via Amazon. I heard the recommendation load and clear!
Kindest Regards, Bruce 847.404.5092 Please forgive any typos as this was sent from my iPhone. > On May 12, 2017, at 12:27 PM, Jim Watts via CnC-List <cnc-list@cnc-list.com> > 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> >> 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> >>> 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] 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 (mobile) >>> bwhitm...@sbcglobal.net >>> >>> _______________________________________________ >>> >>> This list is supported by the generous donations of our members. If you >>> wish to make a contribution to offset our costs, please go to: >>> https://www.paypal.me/stumurray >>> >>> All Contributions are greatly appreciated! >> >> _______________________________________________ >> >> This list is supported by the generous donations of our members. If you wish >> to make a contribution to offset our costs, please go to: >> https://www.paypal.me/stumurray >> >> All Contributions are greatly appreciated! >> > > _______________________________________________ > > This list is supported by the generous donations of our members. If you wish > to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated!
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!
