Corian outside durability

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Corian outside durability

Postby dwilli9013 » Thu Jul 06, 2017 8:27 pm

Quick question. I did a search and did not find info on this.

Can anyone tell me how Corian weathers outside.
Thinking of making some address plaques out of Corian but don't want to come home and find the material dropping down the side of my house.

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Re: CORIAN OUTSIDE DURABILITY

Postby highpockets » Thu Jul 06, 2017 8:30 pm

Temperature wise they should do OK. The high end temp for Corian is over 300°F. If it gets that hot around your house, don't invite me over :D :D :D

The question I don't have an answer for is UV. I don't know if Corian will withstand UV very well.

Update: Here's what Dupont has to say, they still don't address UV though.... http://www.corian.com/corian-r-technique-outdoor-spaces and this http://www.corian.com/IMG/pdf/k-27409_c ... corian.pdf
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Re: CORIAN OUTSIDE DURABILITY

Postby dwilli9013 » Thu Jul 06, 2017 8:47 pm

Thanks John,
Very useful info.
And no it doesnt get that hot around my house so stop on over anytime. (although its a bit of a drive for you) :D :D :D
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Re: CORIAN OUTSIDE DURABILITY

Postby Samson » Thu Jul 06, 2017 10:40 pm

Yes, Corian is UV stable and Dupont has an idea page that shows entire exterior kitchens and cladding using Corian.
It is used for signage, play sets, embellishments, etc.

We have used Corian for address signs for many years and they hold up very well. Some of the darker colors can change their color slightly, however, a cleaning or sanding will revive the original color.
It doesn't melt, but it can be formed using an oven at 350 degrees until it softens. The time will vary based on size and thickness.
Corian, along with any other solid surface, is very nice to work with and finishes easily. It holds detail very well, but when machining it, the chips cling to everything from the static generated.
A good dust collection system helps greatly.
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Re: CORIAN OUTSIDE DURABILITY

Postby Rcnewcomb » Thu Jul 06, 2017 10:58 pm

the chips cling to everything from the static generated

Pink and blue foam have the same problem. Wiping down the CNC with dryer sheets before & after machining helps.
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Re: CORIAN OUTSIDE DURABILITY

Postby dhellew2 » Thu Jul 06, 2017 11:09 pm

Dupont makes siding out of the same stuff
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Re: CORIAN OUTSIDE DURABILITY

Postby dwilli9013 » Fri Jul 07, 2017 12:30 am

Thanks everyone for the tips and answers.
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Re: Corian outside durability

Postby GeneMpls » Fri Jul 07, 2017 5:57 pm

It actually cuts and engraves pretty nicely with a laser [DC CO2] too. My 130w will cut 1/2" but pretty slow- .25 works well. Gene
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Re: Corian outside durability

Postby Adrian » Fri Jul 07, 2017 6:33 pm

I made a sign at the end of the drive to my house using corian and epoxy alloy wheel paint nearly 10 years ago now. It still looks like new and I've never even cleaned it. Wonderful stuff.
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Re: Corian outside durability

Postby Xxray » Fri Jul 07, 2017 6:36 pm

I have made quite a few address plates out of corian, years later they look the same.

That the corian itself, whatever you use to fill the letters may be a different story, I usually use epoxy which also stands up well but will fade and warp eventually if exposed to alot of UV.
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Re: Corian outside durability

Postby dwilli9013 » Fri Jul 07, 2017 6:52 pm

Xxray wrote:I have made quite a few address plates out of corian, years later they look the same.

That the corian itself, whatever you use to fill the letters may be a different story, I usually use epoxy which also stands up well but will fade and warp eventually if exposed to alot of UV.


Hmmm I am wondering how fiberglass resin would hold up for the lettering.
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Re: Corian outside durability

Postby Xxray » Fri Jul 07, 2017 7:09 pm

For something relatively simple like address plates, best option for fill might be corian itself via inlay of contrasting colors.

Have made a few of those, looks sharp and professional, unique and no worry about UV. Downside is you are limited to simple letter/number designs without quite an effort, and wastage of material.
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Re: Corian outside durability

Postby dwilli9013 » Fri Jul 07, 2017 7:19 pm

Xxray wrote:For something relatively simple like address plates, best option for fill might be corian itself via inlay of contrasting colors.

Have made a few of those, looks sharp and professional, unique and no worry about UV. Downside is you are limited to simple letter/number designs without quite an effort, and wastage of material.


Material is my issue it is a bear to find around Rockford Illinois but I was able to purchase some from another forum member. So that will get me going. Might experiment a bit to see what works.
And my stuff will be basic address plaques to start and go from there.
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Re: Corian outside durability

Postby Xxray » Fri Jul 07, 2017 8:36 pm

I am blessed, I have loads of corian obtained dirt cheap.
I did one with blue and white, 1st attempt was a while ago

viewtopic.php?f=29&t=25993&p=189599#p189599

Worth a thought, I wouldn't go with epoxy for fill if its exposed to direct sunlight.
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Re: Corian outside durability

Postby highpockets » Fri Jul 07, 2017 9:24 pm

You can use a marine grade polyurethane.
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