Hi Tom, CEM-1 is ANSI/NEMA approved material which is comsposed of glass fabric face and paper cores. Almost all of CEM-1 laminates are approved according to UL 746 for industrial laminate and UL 796 for copper clad laminate. For more information, please don't hesitate to contact our sales representative in U.S.A. Tel) 408-733-3553 Fax) 408-733-3978 -----Original Message----- From: Tom Burek [SMTP:[log in to unmask]] Sent: Tuesday, July 21, 1998 7:32 AM To: [log in to unmask] Subject: [TN] CEM-1 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 ################################################################ ################################################################ 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 ################################################################