The test method for oxygen index, also called limiting oxygen index is ASTM D 2863. If you have access to ASTM standards it is in volume 8.02, otherwise you can get ordering information at www.astm.org. th_yeo wrote: > Would appreciate help on the above. > > Understand that the definition of oxygen index (OI) is > > OI=(A/(A+B))*100 > > A=oxygen flow rate > B=nitrogen flow rate > > which specs does this come under and where could I get hold of the test method. > > ################################################################ > 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 > ################################################################ -- John Moylan President Delsen Testing Laboratories, Inc. 1024 Grand Central Ave. Glendale, CA 91201 Phone: 818 247 4106 FAX 818 247 4537 email: [log in to unmask] URL: http://www.primenet.com/~delsen/ Delsen Testing Laboratories, Inc. is an independent testing laboratory primarily engaged testing advanced materials. ################################################################ 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 ################################################################