Original poster: "Ed Phillips by way of Terry Fritz <twftesla-at-qwest-dot-net>" <evp-at-pacbell-dot-net> Tesla list wrote: > A good test to discern between plexiglass or lexan, is to break off a > small piece and use epoxy on it. After a day or two, epoxy will break > loose from plexiglass. An easier test is to hold a small scrap to a flame; the two odors are entirely different. Ed