Cleaning Plastic Windows

coopec said:
Any idea what the material I used for my rain deflectors was ? (It was brittle when I drilled it)
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Very likely to be acrylic, it will chip and splinter if cut with inappropriate tools or drilled with incorrect(point angle or clearance/relief) drills. Polycarbonate is much tougher.
 
Penfold
I did a bit of research and came to the same conclusion. I can't imagine a sign-maker using Polycarbonate (Lexan)

Obviously I used Acrylic (Perspex) and that's fine. It is cheap, fairly strong, won't discolor........ AND I can get some more (if needed) for nothing. :D
Thanks.
 
Ink said:
You offered a solution to clean pvc (soft plastic) using toothpaste. I don't think that's a good idea.

You have no direct knowledge on cleaning plastics. I have.

I mentioned acrylic as it is the most likely 'solid plastic' material used in boat windows.

Ink
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Please Ink, read exactly what I wrote. I never mentioned using toothpaste, another poster did. You do seem confused and talking of boat windows, yet the OP's original photo shows a sprayhood with soft plastic windows. I have only talked about this material and still think the best solution is to have them replaced.

As to your knowledge of cleaning plastics, please give us more details of you knowledge as none of your posts have been helpful to the OP.
 
penfold said:
It's green and free stuff is the best kind, what's not to like(as long as you have permission)?
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You've pricked my conscience! I used to go to the counter and ask (and I was always given permission). Then one day she said "YES! OK take it" in an annoyed tone so now I don't ask. The other day I was in and out in about 20 seconds and made a quick get-a-way just in case!

Screenshot 2021-08-20 at 19-39-13 84 Callaway St · 84 Callaway St, Wangara WA 6065.png
 
It certainly looks like the UV damage which we get a lot of in Spain. Tried all sorts to get it off but eventually had the panels replaced. Now, when we leave the boat for a couple of months at a time we cover the sprayhood with a cheap tarpaulin attached to the toerail with cheap bungies. No more damage.
 
colind3782 said:
It certainly looks like the UV damage which we get a lot of in Spain. Tried all sorts to get it off but eventually had the panels replaced. Now, when we leave the boat for a couple of months at a time we cover the sprayhood with a cheap tarpaulin attached to the toerail with cheap bungies. No more damage.
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Yes I suggested to the OP to have some canvas covers made when he bites the bullet after a few hours of polishing toothpaste on the old windows but a tarp would work as well . I try to remember to put our canvas covers on but our hood windows are quite small as we have a hard screen below the folding canvas one. We don’t get the sun that much but a reflective rnli car windscreen sun screen works well but I gues you could buy reflect material and cut to shape .
 
ashtead said:
Yes I suggested to the OP to have some canvas covers made when he bites the bullet after a few hours of polishing toothpaste on the old windows but a tarp would work as well . I try to remember to put our canvas covers on but our hood windows are quite small as we have a hard screen below the folding canvas one. We don’t get the sun that much but a reflective rnli car windscreen sun screen works well but I gues you could buy reflect material and cut to shape .
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€10 for a cheap tarp and a few bungies is a lot cheaper than €800 for a new sprayhood and still significantly cheaper than replacing the plastic.
 
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