Shouldn't PWA modules be protected from any liquid? We can not
expect a keyboard survive a coffee spill.
Ramon
> -----Original Message-----
> From: Randy Bock Sr. [SMTP:[log in to unmask]]
> Sent: Tuesday, March 09, 2004 12:48 PM
> To: [log in to unmask]
> Subject: Re: [TN] FW: [TN] Pros and Cons on Type UR vice Type AR
Conformal Coating
>
> 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
> [log in to unmask]
> cc
>
> 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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