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Date: | Mon, 16 Apr 2007 11:54:06 +0200 |
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Adam,
Clark pumps use SS for this fluid, as it seems.
Inge
http://www.clarksol.com/html/GearPumpMatCompat.htm
How are you these days, Brian? As an arbiter elegantum, I suppose you
live a calm and comfortable life nowadays. Don't see you as freq as
usual online.
Inge
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Brian Ellis
Sent: den 16 april 2007 09:58
To: [log in to unmask]
Subject: Re: [TN] stainless compatibility in alkaline etchant
I would not recommend stainless steel where there are free chloride
ions. Use titanium.
Brian
Adam Seychell wrote:
> Does anyone know if stainless steel 316 corrodes when exposed to
> alkaline ammonia chloride etchants ? I have this diaphragm pump with
> internal stainless steel fasteners which are exposed to the etchant.
> The pump elastomers are EPDM and santoprene, and body material is
> glass filled polypropylene. I am wondering if the pump can be used for
> alkaline etchants.
>
> For a test I placed some stainless steel in etchant at let standing
> for one week. There was no visible surface corrosion, nor any
> measurable mass loss. I know this doesn't tell me I can use the pump
> and expect it to last.
>
>
> best regards,
> Adam Seychell
>
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Search the archives of previous posts at: http://listserv.ipc.org/archives
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