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Lapidary / Gemstone Community Forum
April 24, 2019, 11:56:11 am
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Borax

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Author Topic: Borax  (Read 1057 times)
Rocksnot
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« Reply #15 on: April 27, 2011, 12:36:30 pm »

So, can somebody educate me on the flux stuff, please? 
mix with alcohol or water to form a paste or thick liquid. use as flux.  i got a couple of kits at the welding shop of 56%silver solder and the flux is the same blue the borax makes.. go figure.

Never thought of adding water or anything.  I just heated the wire a bit and stuck it into the borax. It would cling right on to the wire and then melt into the welding area and flow beautifully. 
I'll have to try that next time I need to weld and see how it works.

Regarding bug killer - is it borax?  I knew that Boric Acid was bug killer but never heard anyone mention borax before.
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RoyKims
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« Reply #16 on: April 27, 2011, 08:42:10 pm »

Quote
Regarding bug killer - is it borax?  I knew that Boric Acid was bug killer but never heard anyone mention borax before.

AHH, that's why i'm getting different results. borax?--no, this is boric acid..
thanks
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Bentiron
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« Reply #17 on: April 28, 2011, 04:57:39 pm »

Per Wikipedia "In the jewelry industry, boric acid is often used in combination with denatured alcohol to reduce surface oxidation and firescale from forming on metals during annealing and soldering operations." So there you go, the dope on the use of boric acid  as a flux in jewelry making. I used to have a big cone of it shaped something like an old sugar cone. I just scrape some off of the side and mix it with the alcohol but then I got smart and just started buying Handy Paste Flux for my jewelry.

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RoyKims
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« Reply #18 on: April 28, 2011, 10:48:21 pm »

i picked up a 5# box of 20 mule team today,  0.80 a pound. i'll try it tomorrow. this stuff seems to be good for just about everything..
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Bentiron
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« Reply #19 on: April 29, 2011, 03:15:28 pm »

Per Wikipedia "Borax is also easily converted to boric acid. Its reaction with hydrochloric acid to form boric acid is:

Na2B4O7·10H2O + 2 HCl → 4 B(OH)3 [or H3BO3] + 2 NaCl + 5 H2O "
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Rocksnot
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« Reply #20 on: April 29, 2011, 07:02:54 pm »

I noticed the serious difference in the water 'cling' and banding after the borax as opposed to the beading and run off of the plain water.  Even though I have been using rain water.
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RoyKims
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« Reply #21 on: April 29, 2011, 10:36:44 pm »

I noticed the serious difference in the water 'cling' and banding after the borax as opposed to the beading and run off of the plain water.  Even though I have been using rain water.

cut some slabs today and noticed the same thing. the borax works wonders over the boric acid. i'd been getting a lot of rust with the acid but the borax cleared that up..  i filled up my saw and used what was left over to wash some rags and an apron and the some of the floor of the shop.. it works great for that also.. dancer5
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ScarlettoSara
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« Reply #22 on: April 30, 2011, 06:38:21 am »

LOLOLOLOL:)
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39don
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« Reply #23 on: April 30, 2011, 08:22:11 am »

Looks like you guys have found a miracle mineral........... yippie

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mirkaba
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« Reply #24 on: April 30, 2011, 10:25:35 am »

Borax can be used as a wetting agent. Makes water 'wetter'. I use it with boric acid, silica and a little corn flour for smelting gold. It is used in tumblers too.
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Bob

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39don
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« Reply #25 on: April 30, 2011, 11:01:05 am »

Borax can be used as a wetting agent. Makes water 'wetter'. I use it with boric acid, silica and a little corn flour for smelting gold. It is used in tumblers too.

Bob, What does it do for tumbling??????

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mirkaba
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« Reply #26 on: April 30, 2011, 11:14:44 am »

Don.....It is a deflocculant and keeps the rocks and grit particles cleaner so the sanding grits and polish work more efficiently. Retards the coagulation of mud.
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Bob

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39don
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« Reply #27 on: April 30, 2011, 11:30:15 am »

Thanks Bob, I don't do much tumbling but thats good info...... yippie
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RoyKims
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« Reply #28 on: April 30, 2011, 01:31:20 pm »

Don.....It is a deflocculant and keeps the rocks and grit particles cleaner so the sanding grits and polish work more efficiently. Retards the coagulation of mud.

so it seems it will be good to also add to the water for grinding and sanding.. something i've already done to my gravity feed.. do you think it'll be a good wetting agent for cerium oxide????? i'd think so..

also if you scratch yourself it's a good antiseptic.. with 3 dogs here i'm also going to try out it's odor eliminating properties..

DON,  i think you may be right.. it's been in use for 4000 years..
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mirkaba
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« Reply #29 on: April 30, 2011, 02:09:02 pm »

I use jet-dri in my grinding water and very little plain water with the tin oxide.
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Bob

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