Testing of insulating materials

V 32
PTL Density Test Funnel Device

to determine the apparent density of moulding material consisting of powders or grains that can be poured from a specified funnel

V 36.42
for determining the pourability of granular plastics by measuring their time of pouring down and by observing the manner of pouring

V 36.60
for the determination of the angle of repose of powders and granules (formerly determination of the pourability as per Dr. Pfrengle)