Subject: | |
From: | |
Date: | Mon, 23 Dec 1996 20:12:18 -0600 (CST) |
Content-Type: | TEXT/PLAIN |
Parts/Attachments: |
|
|
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]
>
> ***************************************************************************
> * TechNet mail list is provided as a service by IPC using SmartList v3.05 *
> ***************************************************************************
> * To unsubscribe from this list at any time, send a message to: *
> * [log in to unmask] with <subject: unsubscribe> and no text. *
> ***************************************************************************
> * If you are having a problem with the IPC TechNet forum please contact *
> * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] *
> ***************************************************************************
>
>
***************************************************************************
* TechNet mail list is provided as a service by IPC using SmartList v3.05 *
***************************************************************************
* To unsubscribe from this list at any time, send a message to: *
* [log in to unmask] with <subject: unsubscribe> and no text. *
***************************************************************************
* If you are having a problem with the IPC TechNet forum please contact *
* Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] *
***************************************************************************
|
|
|