5. Test Specimens
5.1 Specimens from each sample may be tested in duplicate
(Option 1) or triplicate (Option 2). The compression set of the
sample in Option 1 shall be the average of the two specimens
expressed as a percentage. The compression set of the sample
in Option 2 shall be the median (middle most value) of the
three specimens expressed as a percentage.
5.2 The standard test specimen shall be a cylindrical disk
cut from a laboratory prepared slab.
5.2.1 The dimensions of the standard specimens shall be: