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Old 05-16-2011, 07:04 PM   #1
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Bending Lexan with heat

We are keeping the original interior light covers for our 1960 airstream. These are the rectangeular ones that go over the twin beds and the bathroom. The original are cracked.

I read where you can bend lexan and form it using a heat gun. Has anybody ever done that? I checked Vintage airstream supply and only found inside light covers for 1965 and 1966.


Brian & Adrienne
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Old 05-16-2011, 07:16 PM   #2
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You can, but you have to be careful.
It can be like glass. Once it gets "plastic" it will bend very easily.

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Old 05-16-2011, 07:21 PM   #3
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Try experimenting with some smaller pieces in an oven. I have a friend that does this when he makes windshields for motorcycles with great success. You have to find the right temperature and duration of the heat soak to get the Lexan into it's 'plastic' state so you can bend it. You should have no problem once you try a few pieces.
Lew Farber...RVIA Certified Master Tech...ABYC Certified Master Marine Electrician
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Old 06-29-2011, 06:19 PM   #4
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You need to be aware that Lexan polycarbonate absorbs water. If you heat it too fast when it is moist you will cause bubbles to be formed in the plastic. Take it slow and heat it at about 200 degrees for a couple hours in the oven before you raise the temperature to close to 350 degrees when it will become pliable. You might check the Scabic website that now owns the former GE Lexan tradename and product.
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