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| From [log in to unmask] Tue Dec 24 12: |
55:01 1996 |
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On Mon, 23 Dec 1996 [log in to unmask] wrote:
> What is the chemistry of this material?
NaCLO + NaOH
> Doe anyone know what the advantages / disadvantages are over the black
> oxide process?
Advantage: Cheap/ Disadvantage: Long needle tend to be attacked in acid
enviroment (Cupper plating...) to have so called pink ring.
> Suppose the costs of conveyorization are eliminted? What are the safety
> / cost advantages?
>
> Are there other materials out there?
Black Cuprous oxide
Brown Cupric oxide
Double treated (Zn)
White Oxide (Tin)
> I thought conveyorized oxide went out in the 70s because of surface
> markings? How does Alpha Preq hold up?
>
> [log in to unmask]
>
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