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  #1  
Old 07-20-2017, 08:45 PM
John Wagenseil John Wagenseil is offline
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Paper Hardener

Cheap "Nail Hardener" found in the cosmetic section of the supermarket or drug store is mostly solvents, nitrocellulose and penetrating agents. A bottle of no-name nail hardener is less than 2 dollars.
It does a good job of stiffening paper.
Laminated paper that has been painted with nail hardener can be filed and sanded.
It is less nasty to use as a paper stiffener than cyano-acrylic super-glues.
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Old 07-20-2017, 08:48 PM
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whulsey whulsey is offline
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Good tip plus a lot cheaper. Was thinking about heading out to Big Lots in a bit anyway since I was running out of nail polish remover (acetone) and needed a couple of more nail files (sanding sticks).
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Old 07-20-2017, 08:49 PM
clif52 clif52 is offline
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Thanks for the info. I'll have to try this. I've been toying with the idea of making paper model vehicles to the scale of 6 inch action figures to use as props in my action figure displays. "Hardened" to make them more durable but would still be light weight enough for Superman or the HULK to lift them.
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Old 07-20-2017, 08:54 PM
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rickstef rickstef is offline
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can you show the end result after the polish has dried?
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Old 07-21-2017, 12:40 AM
hetzer hetzer is offline
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if less harmful than CA - worth trying as it is really nasty thing!. Am curious about the result of Nail... as well.
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Old 07-21-2017, 12:44 AM
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Kevin WS Kevin WS is offline
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Sounds like a great idea. If I can find it may try it!
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Old 07-21-2017, 01:28 AM
bigpetr bigpetr is offline
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Thank you for great tip - I will definitelly try it.
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Old 07-21-2017, 07:40 AM
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Great idea, I'll have to give it a shot.

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Old 07-21-2017, 07:52 AM
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Zakopious Zakopious is offline
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Nitrocellulose is extremely flammable.
The stiffener could potentially cause a model to become a fire hazard.
Try burning a strip of cardstock and a strip of stiffened cardstock to see if there is any difference in the burning rates.

https://en.wikipedia.org/wiki/Nitrocellulose
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Old 07-21-2017, 09:18 AM
cfuruti cfuruti is offline
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Quote:
Originally Posted by John Wagenseil View Post
Laminated paper that has been painted with nail hardener can be filed and sanded.
It is less nasty to use as a paper stiffener than cyano-acrylic super-glues.
Thanks a lot for the tip. My biggest gripe with CA-hardened paper is its shiny surface (especially detracting in military models, usually matte and dull), which is difficult to conceal: at least my acrylic paints and varnishes don't adhere well. Also, it's hard gluing anything to it. Lightly sanding could help, but very small and slender parts sometimes are so fragile, they can't be sanded, or don't have a hidden side (think of a tank turret's storage basket, or an AA missile's fins).
What's your opinion regarding painting and gluing NH-treated paper?
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