Hi Earl, Try the following: Ray Cirimele - [log in to unmask] voice - 1-800-548-9801 x-2119 Ray has a lot of practical experience with a gambit of scenarios involving different flux and board chemistries under multiple soldering processes and conditions. Although he works for Enthone, he should be able to steer you in the right direction without giving you the sales pitch -- he's a straightshooter. Good luck, Steve Sauer Xetron Corporation Cincinnati, OH [log in to unmask] ################################################################ TechNet E-Mail Forum 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's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################