March 10, 2010

Summing up the “perm” Series

by Bob Murphy

Final Odds ‘n’ Ends There are four things you should always ask yourself when evaluating competitors’ data or even comparing one set of data to another: What test method was used? ASTM D1653? E96? Some other method? Dry cup or wet cup? Are the terms the same? Am I comparing WVT to WVT or WVT […]