<p>This document specifies a manual method for the determination of plastometric indices. These indices are the maximum thickness of the plastic layer (<em>Y</em>, mm) and the final contraction value (<em>X</em>, mm).</p>
<p>This document is applicable for hard coals with a determined ash level less than 15 % on a dry basis, as described in ISO 11722 and ISO 1171.</p>
Registration number (WIID)
93981
Scope
<p>This document specifies a manual method for the determination of plastometric indices. These indices are the maximum thickness of the plastic layer (<em>Y</em>, mm) and the final contraction value (<em>X</em>, mm).</p>
<p>This document is applicable for hard coals with a determined ash level less than 15 % on a dry basis, as described in ISO 11722 and ISO 1171.</p>
