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Author Topic: Urac  (Read 2281 times)

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Offline vinemaplebows

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Urac
« on: February 29, 2012, 08:30:39 pm »
Does Urac need exposure to the air to cure?? I typically wrap my bows in plastic, and need to know if there is air needed for curing????



Brian
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Offline crooketarrow

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Re: Urac
« Reply #1 on: February 29, 2012, 08:53:36 pm »
  NOT SURE BUT IT WOULD SEAM SO.
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Offline mullet

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Re: Urac
« Reply #2 on: February 29, 2012, 09:01:19 pm »
Brian;

I've wrapped mine before and it has cured. I'm thinking it starts setting up because of a chemical reaction to the water.
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Offline PEARL DRUMS

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Re: Urac
« Reply #3 on: February 29, 2012, 10:24:20 pm »
I know plenty that wrap and cure with no problems. I dont myself just because its more of a mess than I already make.
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Offline vinemaplebows

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Re: Urac
« Reply #4 on: February 29, 2012, 11:39:17 pm »
Thanks! :)
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Offline Prarie Bowyer

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Re: Urac
« Reply #5 on: March 01, 2012, 12:26:00 am »
The important thing is a little heat and the mix.  dont'be stingy on the powder.  If you are you can get a gummy mess that won't cure.  I had that issue with a glue job.  I was able to take a putty knife and heat gun and get my backing off the bow. 

All my bows are glued with Urac and all are completely wrapped up.

Note.  Sodium chloride is the active setting agent.  The brown powder is just walnut flower.  If you get raw sodium chloride you can get a "Clear Urac".  13:1 is the mix ratio of the Sodium Chloride. Basicaly a drop in enough glue with make a trilam.
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Offline Onebowonder

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Re: Urac
« Reply #6 on: March 01, 2012, 01:25:18 pm »
Sodium Cloride?  NaCl?  SALT???  Really?  ...and it's a liquid?  I'm trying to think of what sort of reaction would make that happen...
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Offline Onebowonder

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Re: Urac
« Reply #7 on: March 01, 2012, 01:27:37 pm »
OK, I just called Nelson's.  It's actually Ammonium Chloride that you want.  Salt will not work here...
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Offline vinemaplebows

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Re: Urac
« Reply #8 on: March 01, 2012, 01:29:18 pm »
Thanks....good info ;D
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Offline Prarie Bowyer

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Re: Urac
« Reply #9 on: March 11, 2012, 05:00:13 pm »
Quote from: Onebowonder on March 01, 2012, 01:27:37 pm
OK, I just called Nelson's.  It's actually Ammonium Chloride that you want.  Salt will not work here...

Oops, yes.  Amonium Chloride. 
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Offline NruJaC

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Re: Urac
« Reply #10 on: March 11, 2012, 08:17:40 pm »
Quote from: Onebowonder on March 01, 2012, 01:25:18 pm
Sodium Cloride?  NaCl?  SALT???  Really?  ...and it's a liquid?  I'm trying to think of what sort of reaction would make that happen...

NaCl dissolves in water pretty easily. It's pretty easy to make a Sodium Chloride solution. NH3Cl is similar.
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Arjun from Reston, VA
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