Dear Sedlak
As you know that they have gritt values S4,5,6,7,8 also hardness value 
and also impregnation value. If you consider all these which should be 
preferred
Best Regards
Yusuf
R Sedlak yazmış:

>If you must deburr, use of abrasive slurry, pumice, or aluminum oxide, is preferred to brushes.
>
>  Rudy Sedlak
>  RD Chemical Company
>
>Baski Devre <[log in to unmask]> wrote:
>  Dear Technetters
>As you know that prior to dry film coating or LPI soldermask coating,
>surface preparation is so crucial. it can directly effect dry film
>adhesion but we think that deburrinmg of the panels after CNC drilling
>operation and prior to electrolytic copper plating is more crucial.
>Does anybody have an application to deburr and polishing of the panels
>after CNC drilling. If yes which type of brushes you use for the first
>station to deburr and which type of brushes you use to polish the bord
>just after the deburring process.
>Best Regards
>
>--
>Yusuf GÖMEÇ
>Product Quality Engineer
>
>
>BASKI DEVRE SAN ve TIC LTD STI
>Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
>Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
>00 90 216 4836560 (4 Hat/Line)-173(Extention)
>Fax: 00 90 216 3544941
>00 90 216 4913269
>Gsm: 00 90 533 6579897
>00 90 533 7480014
>msn: [log in to unmask]
>
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-- 
Yusuf GÖMEÇ
Product Quality Engineer


BASKI DEVRE SAN ve TIC LTD STI
Ceyhan Sk. No:10 34896 Pendik-Istanbul-Turkey
Tel: 00 90 216 3901036 (4 Hat/Line)-173(Extention)
     00 90 216 4836560 (4 Hat/Line)-173(Extention)
Fax: 00 90 216 3544941
     00 90 216 4913269
Gsm: 00 90 533 6579897
     00 90 533 7480014 
msn: [log in to unmask]

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Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815
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