You cut open the bottom part of the can so that you can crush it.
Doug Pauls
From: Ed Popielarski <[log in to unmask]>
To: <[log in to unmask]>
Date: 05/08/2013 02:57 PM
Subject: Re: [TN] 2-part epoxy for pcb repair
Sent by: TechNet <[log in to unmask]>
Pondering "reopen". How does one do that with a tin can?
Ed Popielarski
Engineering Manager
970 NE 21st Ct.
Oak Harbor, Wa. 98277
Ph: 360-675-1322
Fx: 206-624-0965
Cl: 949-581-6601
https://maps.google.com/maps/myplaces?hl=en&ll=48.315753,-122.643578&spn=0.011188,0.033023&ctz=420&t=m&z=16&iwloc=A
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Goodyear, Patrick
Sent: Wednesday, May 08, 2013 12:49 PM
To: [log in to unmask]
Subject: Re: [TN] 2-part epoxy for pcb repair
Sheeeze, guess I should have read the original date of the post!!! OOOPs
my bad, have been off a couple of weeks and was catching up on emails.
Sorry to reopen this tin can of worms.
pat
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Goodyear, Patrick
Sent: Wednesday, May 08, 2013 10:39 AM
To: [log in to unmask]
Subject: Re: [TN] 2-part epoxy for pcb repair
Wow amazing and timely, just got into a conversation with a fellow
technician over this very subject yesterday. He was looking at the film
adhesives from Circuit Technology and I prefer to use a two part rapid set
epoxy, due to the stated reasons.
I believe the copy we have of 7711A/7721A recommends thermally bonded
adhesives. My issue is that when the land or pad is soldered to, the
trace can shift or lift as the "glue" is heated. I was originally
trained using Loctite super glue with a liquid activator, however again
when the area is heated the bonding agent sometimes releases. I have had
best results using BARCO BOND MB-165 quick set epoxy made by Astro
Chemical, sets in 10-15 seconds, cures in a couple of minutes, I use their
100X product for board repair, it has longer working and cure times, on
the order of 20 minutes, usually will mix in some shredded board when I
need a large fill or strength and to color match.
I know it isn't totally what you are looking for but may be an alternate.
Pat
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Wednesday, April 24, 2013 1:43 PM
To: [log in to unmask]
Subject: [TN] 2-part epoxy for pcb repair
Good afternoon,
I am drawing an absolute blank trying to remember the 2-part epoxy that
I've used in the past for PCB repair (sheesh)!
Can anybody refresh my memory? The little epoxy packets from Circuit
Technology Center are pretty pricey. I remember that I used something
else, but can't remember what it was?
Thanks!
Steve Gregory
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