Brian, In short, yes. Michael Hiteshew Lockheed Martin NE&SS-Baltimore [log in to unmask] (410) 682-1259 > ---------- > From: Brian Gaynor[SMTP:[log in to unmask]] > Subject: [TN] IPC-2221 > > Hi Technet, > Re: IPC-2221 Section 6.3 Electrical Clearances > Safety engineer tells me that solder resist is not considered an > insulator, do > you know if the term 'permanent polymer coating' means the same as a > typical > solder resist? If so, could I use Category B4 for electrical clearances if > my > board is coarted with solder resist? > Regards, > Brian Gaynor > ############################################################## TechNet Mail List provided as a free service by IPC using LISTSERV 1.8c ############################################################## To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE TECHNET <your full name> To unsubscribe: SIGNOFF TECHNET ############################################################## Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ##############################################################