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 Post subject: Re: vans blue solution
PostPosted: Sat Jun 15, 2013 5:53 pm 
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Joined: Sat Jan 12, 2013 6:08 pm
Posts: 117
SMP wrote:
A bolt with three turns of oxpho



Thanks for the input fella's. tried the vans rust blue again as per the instructions. I neutralised in oil, but its no good.

Sean..........great results with the oxpho. I think I will try that next. :roll:


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 Post subject: Re: vans blue solution
PostPosted: Sat Jun 15, 2013 7:12 pm 
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Joined: Wed Jan 05, 2011 12:35 pm
Posts: 6004
Location: P.G. B.C.
I'm impressed with that cold blue. I've never seen it before - although I've seen Brownell's advertise it.
If it is indeed more durable than Birchwood Casey's paste then it's worth looking into. Your bolt's finish is about the same as what I get with the Casey's bluing - longevity would be the clincher.

Sean - are you comparing the Oxpho with the caustic salts hot bath bluing in a tank or some other hot method?

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Daryl


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 Post subject: Re: vans blue solution
PostPosted: Sat Jun 15, 2013 7:57 pm 
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Joined: Sat Apr 16, 2011 5:58 am
Posts: 495
Location: Eastern Ontario
X2 on the Oxpho...awesome stuff!

Sean used it on the end cap/RVA he made for my AR2078 as well as the barrel for my 1750 PCP - turned out beautiful. Really easy to use, VERY durable, and after a bit of buffing once done it looks almost like "black chrome" :drool:

Only downside is you will need a contact in the U.S to ship it up here as Brownell's won't... :hsmash


Cheers,
Todd

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Todd


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 Post subject: Re: vans blue solution
PostPosted: Sat Jun 15, 2013 8:11 pm 
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Joined: Sun Feb 13, 2011 10:44 pm
Posts: 160
Daryl wrote:
I'm impressed with that cold blue. I've never seen it before - although I've seen Brownell's advertise it.
If it is indeed more durable than Birchwood Casey's paste then it's worth looking into. Your bolt's finish is about the same as what I get with the Casey's bluing - longevity would be the clincher.

Sean - are you comparing the Oxpho with the caustic salts hot bath bluing in a tank or some other hot method?


Yes hot salts bluing in tanks. Brownell claims that oxpho is more durable and I did my own testing and that is what I found as well.

I blue thousands of parts a year. I prefer classic rust blue but you just can't offer this level on production parts that are batched at a hundred pieces at a time. I need a bluing that has excellent colour and durability or stuff comes back, it has to be consistent or it wastes my time, and not having to maintain a separate shop for tanks full of caustics is a bonus.

Besides it has been long enough since caustic salts bluing was introduced that people have all but forgotten that it's the poor cousin of the bluing family. It was a means to colour volumes of pieces in the most economical way.

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Sean


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 Post subject: Re: vans blue solution
PostPosted: Sat Jun 15, 2013 10:26 pm 
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Joined: Wed Jan 05, 2011 12:35 pm
Posts: 6004
Location: P.G. B.C.
Thanks Sean - that spells it out completely. I'll have to have a couple friends send me some. Was wondering, will Brownell's send it to a Canadian FFL holder Gun Smith with an import license - or is it a chemical problem?

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Daryl


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 Post subject: vans blue solution
PostPosted: Sun Jun 16, 2013 7:04 am 
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Joined: Sun Feb 13, 2011 10:44 pm
Posts: 160
It's a chemical problem. According to the conversation I had with Brownells the DOT came down on them for selling ORM-D classified materials to people out of country based on origin of payment.
ORM-D is other regulated materials category D and they have applied that to almost every liquid and chemical going. It's made getting supplies a real pain because there really is no other full service gun smith suppliers in North America and absolutely none in Canada.

Other guys are using their license to order in 50L pails of the base chemicals and mixing their own stuff..... No thanks!

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 Post subject: Re: vans blue solution
PostPosted: Sun Jun 16, 2013 9:16 am 
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Joined: Thu Sep 18, 2008 6:11 pm
Posts: 1961
Location: SW Ontario:Canada
Does anyone have a source for Sodium Nitrate? PM me.


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 Post subject: Re: vans blue solution
PostPosted: Sun Jun 16, 2013 9:24 am 
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Joined: Sun Feb 13, 2011 10:44 pm
Posts: 160
I use a very tiny amount of sodium nitrate in the quench water when colour case hardening....you cant buy it anymore. Anywhere Anyhow. I just happen to be lucky enough to have a small jar of the stuff left from the days when every drug store sold Salt Peter

If you search YouTube with your keyword there are some good instructions for making tiny quantities. You'll need table salt and cold packs

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Sean


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 Post subject: Re: vans blue solution
PostPosted: Sun Jun 16, 2013 6:24 pm 
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Joined: Sat Jan 12, 2013 6:08 pm
Posts: 117
SMP wrote:
Daryl wrote:
I'm impressed with that cold blue. I've never seen it before - although I've seen Brownell's advertise it.
If it is indeed more durable than Birchwood Casey's paste then it's worth looking into. Your bolt's finish is about the same as what I get with the Casey's bluing - longevity would be the clincher.

Sean - are you comparing the Oxpho with the caustic salts hot bath bluing in a tank or some other hot method?


Yes hot salts bluing in tanks. Brownell claims that oxpho is more durable and I did my own testing and that is what I found as well.

I blue thousands of parts a year. I prefer classic rust blue but you just can't offer this level on production parts that are batched at a hundred pieces at a time. I need a bluing that has excellent colour and durability or stuff comes back, it has to be consistent or it wastes my time, and not having to maintain a separate shop for tanks full of caustics is a bonus.

Besides it has been long enough since caustic salts bluing was introduced that people have all but forgotten that it's the poor cousin of the bluing family. It was a means to colour volumes of pieces in the most economical way.


Thanks Sean.
I was about to go down the hot blue route. Buying a tank, burner and the neseccary chemicals.

I have decided to give the oxpho a try form brownells. 2 x 4 oz bottles on the way.

Any tips for application please bud?


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