Anita: For a complete guide to PTF (Polymer Thick Film) resistors please contact David Peard at W. R. Grace. The Telephone # is 1-800-232-6100. *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * ***************************************************************************