Hello, Please respond to the following and, if possible, provide your source of information (i.e. UL document number, etc.) What are the current standards in regards to the use of CEM-1 as board material? Specifically is CEM-1 a UL approved material? Thank You . Tom Burek ################################################################ 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 ################################################################