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March 2004

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Subject:
From:
"Randy Bock Sr." <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 9 Mar 2004 12:47:43 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (333 lines)
Bug juice concetrate makes a good bright work cleaner.    Turko cleaner
was the thing to clean with.  Mixed with water did ok.  Straight would
turn your hands to wrinkled prunes.



Randy Bock Sr.
Quality Manager
GMS Naugatuck
(p) 203 720-3861
(f)  203 729-5397
(email)  [log in to unmask]




David Douthit <[log in to unmask]>
Sent by: TechNet <[log in to unmask]>
03/09/2004 12:29 PM
Please respond to
"TechNet E-Mail Forum." <[log in to unmask]>; Please respond to
David Douthit <[log in to unmask]>


To
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Subject
Re: [TN] FW: [TN] Pros and Cons on Type UR vice Type AR Conformal Coating






Ramon,

You might be amazed at what cleaning crews use on the interior and
exterior of aircraft.

David A. Douthit
Manager
LoCan LLC

Dehoyos, Ramon wrote:

>        Thanks for the correction.
>        Ramon
>
>
>
>>-----Original Message-----
>>From: Crepeau, Phil (Space Technology)
>>Sent: Tuesday, March 09, 2004 10:44 AM
>>To:   Dehoyos, Ramon
>>Subject:      RE: [TN] FW: [TN] Pros and Cons on Type UR vice Type AR
>>
>>
>Conformal Coating
>
>
>>i think you meant type ar not ur.
>>
>>-----Original Message-----
>>From: Dehoyos, Ramon (NG)
>>Sent: Tuesday, March 09, 2004 6:08 AM
>>To: [log in to unmask]
>>Subject: [TN] FW: [TN] Pros and Cons on Type UR vice Type AR Conformal
>>Coating
>>
>>
>>        One of the disadvantages of UR coating is that it will not
>>
>>
>withstand
>
>
>>solvents. Besides  boards in  aircrafts that might be closed to the fuel
>>tank or in automobile  engine compartments, most boards are not in
>>
>>
>proximity
>
>
>>to fuels, acetone or alcohol. So UR is plenty good. It saves a lot of
>>
>>
>boards
>
>
>>from being damaged during rework due to the simplicity of removal.
>>        Regards,
>>        Ramon
>>
>>
>>
>>>-----Original Message-----
>>>From: Dehoyos, Ramon
>>>Sent: Tuesday, March 09, 2004 8:15 AM
>>>To:   [log in to unmask]
>>>Subject:      Re: [TN] Pros and Cons on Type UR vice Type AR Conformal
>>>
>>>
>>Coating
>>
>>
>>>        One thing to know is that AR can be coated to patch UR but not
>>>
>>>
>the
>
>
>>>other way around. Patching AR with UR creates a mix that takes too long
>>>
>>>
>to
>
>
>>>dry, stays soft. So to switch from UR to AR is recommended.
>>>        Regards,
>>>        Ramon
>>>
>>>
>>>
>>>>-----Original Message-----
>>>>From: - Bogert [SMTP:[log in to unmask]]
>>>>Sent: Monday, March 08, 2004 4:55 PM
>>>>To:
>>>>Subject:      [TN] Pros and Cons on Type UR vice Type AR Conformal
>>>>
>>>>
>>Coating
>>
>>
>>>>As a Class 3 customer we are considering mandating transition from
>>>>
>>>>
>Type
>
>
>>UR
>>
>>
>>>to Type AR conformal coating, to make it easier to replace failed
>>>components.  Are there any Class 3 users of Type AR coating?  What is
>>>
>>>
>>track
>>
>>
>>>record for using Type AR?  Are there any compatibility issues with
>>>
>>>
>certain
>
>
>>>types of solder masks?  Any input you have would help.  Another
>>>
>>>
>advantage
>
>
>>>with AR would be for returned equipment.  The OEM could remove all the
>>>coating from an assembly using alcohol, then perform
>>>
>>>
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>>>>Please visit IPC web site
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>>http://www.ipc.org/contentpage.asp?Pageid=4.3.16
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>or
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>>>>bed-of-nails testing to quickly identify failed components.
>>>>
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or
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or
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