Can anyone tell me what halogen content is in a typical FR4 grade laminate in PPM terms? Ie Bromine, Chlorine etc and what the exact limits are on what would be referred to as "Halogen free" materials? Colin McVean M.Inst.C.T. Production Manager Artetch Circuits Limited Main: 01903 725365 DD: 01903 712926 Email: [log in to unmask] www.artetch.co.uk --------------------------------------------------- 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 -----------------------------------------------------