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July 1998

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Subject:
From:
"Eltek Ltd. - Process Engineering" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 21 Jul 1998 15:07:33 +0300
Content-Type:
text/plain
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text/plain (87 lines)
PVDF willed couple of weeks : we got cracks in joints ( made by polyfusion ,
welding etc )
Polypropylene failed after one week : the some reason .
We are testing now CPVS . After 3 months it is still alive .
regards


At 00:22 21/07/98 -0700, you wrote:
>Start throwing money...
>Externally, for a bulletproof design, you'll need Teflon, PVDF, titanium or
>some FRP composite.
>As previously mentioned, you're best off with an in-tank design, where CPVC
>will work - providing there are NO glue joints (i.e., threaded or flanged
>w/ Ti hardware).  Polypropylene might work too, since that's what the
>filter material is likely to be.
>
>J.Felts
>
>
>-----Original Message-----
>From:   Chris Rucinski [SMTP:[log in to unmask]]
>Sent:   Monday, July 20, 1998 11:07 AM
>To:     [log in to unmask]
>Subject:        [TN] Black Oxide Filtration
>
>Could anyone help me find a pump and filter
>house material and/or brand name that will
>withstand black oxide chemistry.  What are
>other circuit board manufacturers using?  I am
>most interested if a board manufacturer has
>been able to overcome this problem without
>throwing lots of money at it.
>
>Vendors please contact me direct.
>
>Thanks in advance
>
>Chris Rucinski
>Process Engineer
>
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>
Edward Szpruch
Eltek Ltd - Israel
Tel  972 3 9395050
Fax 972 3 9309581
E-mail :  [log in to unmask]

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