13.4 Cooling Period—While cooling, allow the test specimen
to rest on a poor thermally conducting surface, such as
wood, for 30 min before making the measurement of the final
thickness. Maintain the conditions during the cooling period in
accordance with 9.4.
13.5 Final Thickness Measurement—After the rest period,
measure the final thickness at the center of the test specimen in
accordance with 13.1.