Hi Technetters Thank you all for your responce. Ok right now if we consider SnPb finish thickness considering HAL and roller tinning what should be the range? Can you adress any IPC standard relating to SnPb finishing thickness? Yusuf GOMEC Product Quality Engineer BASKI DEVRE SAN. ve TIC. LTD. STI. Ceyhan Sk. No:10 81490 Pendik-Istanbul-Turkey Tel:0090 216 3901036(4 Line)/4836560(4 Line) Fax:0090 216 3544941/4913269 Gsm:0090 533 6579897/7480014 Internet: www.baskidevre.com.tr --------------------------------------------------- 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 -----------------------------------------------------