Hi TN, A follow-up query to a recent posting about sand-type abrasion for you metalheads (Dave H., you there?); Is there a metal finish that will withstand rubbing wear from aluminum oxide powder? we have tried tungstun carbide and stellite with 'no joy'. Any light bulbs going on? Thanks for thinking Ralph Vaughan ############################################################## TechNet Mail List 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 web site (http://www.ipc.org/html/forum.htm) for additional information. If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or 847-509-9700 ext.5365 ##############################################################