Adhesion.
Adhesion. Samples of insulation material on the conductor shall be tested in accordance with ASTM D 456590a with a crosshead speed of 50 mm/min (2 in./min).
(v) Compression. Samples of the insulation material on the conductor shall be tested in accordance with ASTM D 4565–90a with a crosshead speed of 5 mm/min (0.2 in./min).
(13) Other methods of testing may be used if acceptable to RUS.