TECHNET Archives

September 2002

TechNet@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Reply To:
Date:
Thu, 19 Sep 2002 07:53:40 -0400
Content-Type:
text/plain
Parts/Attachments:
text/plain (138 lines)
Dave,
how many of them publish "success story" repeatedly?  how many of them
publish "lesson learn" repeatedly (don't mention publishing, just admit
without writing you should consider youself lucky to find the truth
out..instead banging your head againest failure analysis table)...

jk

>-----Original Message-----
>From: TechNet [mailto:[log in to unmask]]On Behalf Of David Douthit
>Sent: Wednesday, September 18, 2002 7:24 PM
>To: [log in to unmask]
>Subject: Re: [TN] Strip-able conformal coating experiences
>
>
>Graham,
>
>I have been reporting problems for 8 years!!
>
>No seems to listen!!
>
>David A. Douthit
>Manager
>LoCan LLC
>
>
>
>Graham Naisbitt wrote:
>
>> > Hello technet,
>> >
>> > I'm looking for user experiences, pro and con, with strip-able
>conformal
>> > coatings.  I assume that means we'd be talking about an
>acrylic (type AR)
>> > coating.  I need a requirement for a removable conformal coat
>for one of
>> > our products.   We would spray apply this coating.
>> >
>> > We presently use an urethane coating that has excellent chemical and
>> > environmental resistance but unfortunately can't be readily stripped.
>> >
>> > Thanks.
>> >
>> > -- Gregg Klawson
>> > General Dynamics C4 Systems
>> >
>> Gregg,
>>
>> Following on from some of the responses, I would recommend the use of
>> certain poly-glycols as stripping agents.
>>
>> Most coating manufacturers have proprietary stripping
>chemistries, and you
>> would be well advised to use these according to the manufacturers
>> recommendations, rather than to mess around with ad hoc mixtures
>of your own
>> creation...unless you know what you are doing!
>>
>> I am puzzled about David Douthit's remarks, because we have military and
>> automotive customers who have used our acrylics for the past 30
>years with
>> no reported problems.
>>
>> Note that there are now water based acrylics that feature the same
>> characteristics as the solvent based parents, so you might like to
>> investigate these?
>>
>> --
>> Regards, Graham Naisbitt
>> [log in to unmask]
>> Mobile: +44 (0)79 6858 2121
>>
>> Concoat Limited - Engineering Electronics Reliability
>>
>> Web: www.concoat.co.uk   AND  www.concoatsystems.com
>>
>> NOTE: NEW ADDRESS :NOTE
>>
>> Sales:
>>
>> Millfield House, Fleet Road
>> Fleet, Hampshire GU51 3QF UK
>> Phone: +44 (0)1252 813706
>> Fax: +44 (0)1252 813709
>>
>> Manufacturing and Head Office:
>>
>> Alasan House, Albany Park
>> Camberley, Surrey GU16 7PH UK
>> Phone: +44 (0)1276 691100
>> Fax: +44 (0)1276 691227
>>
>>
>-------------------------------------------------------------------
>--------------
>> Technet Mail List provided as a free service by IPC using LISTSERV 1.8e
>> To unsubscribe, send a message to [log in to unmask] with following text in
>> the BODY (NOT the subject field): SIGNOFF Technet
>> To temporarily halt or (re-start) delivery of Technet send
>e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
>> To receive ONE mailing per day of all the posts: send e-mail to
>[log in to unmask]: SET Technet Digest
>> Search the archives of previous posts at:
http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
> information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700
ext.5315
> --------------------------------------------------------------------------
-------

----------------------------------------------------------------------------
-----
Technet Mail List provided as a free service by IPC using LISTSERV 1.8e
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to
[log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to
[log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700
ext.5315
----------------------------------------------------------------------------
-----

---------------------------------------------------------------------------------
Technet Mail List provided as a free service by IPC using LISTSERV 1.8e
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
---------------------------------------------------------------------------------

ATOM RSS1 RSS2