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<p>This document specifies the ring-and-ball method, a method of using the ring-and-ball apparatus for the determination of the softening point (softening temperature) of pitch used in the production of aluminium.</p>
<p>The method is applicable to pitches having softening points equal to or greater than 30 °C.</p>
Reģistrācijas numurs (WIID)
73941
Darbības sfēra
<p>This document specifies the ring-and-ball method, a method of using the ring-and-ball apparatus for the determination of the softening point (softening temperature) of pitch used in the production of aluminium.</p>
<p>The method is applicable to pitches having softening points equal to or greater than 30 °C.</p>
