BS 2782-6 Methods 620A to 620D:1980
Заменен
Methods of testing plastics. Dimensional properties, Determination of density of solid plastics excluding cellular plastics (immersion method). Determination of density of solid plastics excluding cellular plastics (pyknometer method). Determination of density of solid plastics excluding cellular plastics (sink-float method). Determination of density of solid plastics excluding cellular plastics (density gradient column method)
