Thread: Salt for salt bath annealing

Can tthe right mix of salt be sourced in NZ?

I know there is a thread on it somewhere but buggered if I could find it.

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fertilizer works......it gets chucked in with fodder beat mix..should be cheap as chips.

Originally Posted by Micky Duck

fertilizer works......it gets chucked in with fodder beat mix..should be cheap as chips.

What type of fert mate?

I found a recipe of mix online but would like somewhere to source it.

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Originally Posted by R93

What type of fert mate?

I found a recipe of mix online but would like somewhere to source it.

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Found this recipe all available on Tardme


Salt Bath Annealing
Postby buckeye43210 » 11 Apr 2017 22

Found a video on salt bath annealing. The salt is a eutectic mixture of 45% Potasium Nitrate (KNO3), 45% Sodium Nitrite (NaNO2), and 10% Sodium Nitrate (NaNO3).

I got NaNO2 and NaNO3 from Home Electroflash Resourcing Ltd and KNO3 off Trade Me. I mixed at 50% KNO3/45% NaNO2/5%NaNO3 as recommended by the guy at Ballistic Research (or whatever he is called - the guy from Canada that sells the kits)

I also have some NaNO3 available that I could send you. You only need 55g per kg of mixed salt. That will last ages

Originally Posted by The Claw

I also have some NaNO3 available that I could send you. You only need 55g per kg of mixed salt. That will last ages

Cheers, appreciate the offer but it is not for me. Was asking for someone else.
I think they got it sorted as well.

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I got mine from off Trade Me. countingsheep1 is his trade name. Chem Trade is the company
Fella was real good to deal with.