Try NEMA LI-1, Industrial Laminated Thermosetting Products. Also, UL-746E, Standard Polymeric Materials >I am looking for the specifications for FR-4. My current understanding >that FR-4 is the material specified by MIL-S-13949/4 and is also the >material specified by IPC-L-108/04, but I cannot find the original NEMA >specification. Can someone tell me what NEMA specification specifies FR-4. > >*************************************************************************** >* TechNet mail list is provided as a service by IPC using SmartList v3.05 * >*************************************************************************** >* To subscribe/unsubscribe send a message <to: [log in to unmask]> * >* with <subject: subscribe/unsubscribe> and no text in the body. * >*************************************************************************** >* If you are having a problem with the IPC TechNet forum please contact * >* Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * >*************************************************************************** Bill Marsh Phone: 415-604-6979 e-mail: [log in to unmask] *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To subscribe/unsubscribe send a message <to: [log in to unmask]> * * with <subject: subscribe/unsubscribe> and no text in the body. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************