The fiber glass erasers from 'Eraser Company', 800-724-0594,
www.eraser.com
Has all shapes and sizes and types of these erasers.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Guy Ramsey
Sent: Thursday, December 20, 2007 1:59 PM
To: [log in to unmask]
Subject: Re: [TN] Erase to abrade off HASL off circuit cards

We don't use rubber. We found some glass fiber brushes in a pen-like
handle.
They work great. They cut the metal off and do not imbed crap in the
copper.
TechniTool? I think that is where we got them. Board repair stuff. 

If you have your heart set on the erasers try a drafting or graphic
design supply store.


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Gervascio, Thomas
Sent: Thursday, December 20, 2007 2:04 PM
To: [log in to unmask]
Subject: [TN] Erase to abrade off HASL off circuit cards

We have a requirement to use an erase to remove solder from a PCB pad
down to the base copper. The recommended erase is too soft- we found a
hard grey abrasive erase that goes in an electric eraser but don't know
where we can buy more of these. Any ideas?
 
Tom Gervascio
Principal Process Engineer
Sypris Electronics
Desk/VoiceMail    813-972-6763
Beeper                 813-887-0098
 

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