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Date: | Mon, 16 Apr 2007 11:05:56 +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 Adam Seychell
Sent: den 16 april 2007 09:53
To: [log in to unmask]
Subject: [TN] stainless compatibility in alkaline etchant
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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