Werner
For ex SAC305 contains 0.5 % copper it may increase up to 0.9 % by 
weight so I mean copper content
No we remove copper on the molted solder at 183 C
Best Regards
Yusuf
[log in to unmask] yazmış:

> Hi Yusuf,
> Unfortunately, it is not quite clear what you are asking. You speak of 
> an "excessive copper rate in both Sn/Pb and SAC305." Do you mean 
> copper rate of dissolution? Or copper content?
> What do you mean be "We could smear excess copper on molten solder?" 
> Do you mean dross in wave soldering?
>
> Werner



-- 
Yusuf GÖMEÇ
Process 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]

---------------------------------------------------
Technet Mail List provided as a service by IPC using LISTSERV 1.8e
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt or (re-start) delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL or (MAIL)
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
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
-----------------------------------------------------