Hey, Techdudes: Quick one for you.... How high does the (water vapor) pressure in a package have to get, in order to see popcorning occurring? I know it will depend on the package etc, but pitcher's mound (i.e. "closer than ballpark") figures would be great. Thanks! Andy ################################################################ 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 ################################################################