For determining the quantity of bitumen in hot mixedpaving mixtures and pavement samples.
It is a portable unit for use in field and laboratory. It consists of a cast aluminium bowl mounted on vertical shaft and a filter paper disc is pressed in between bowl and cover plate by a knurled nut. A whole system is enclosed in a cast aluminium body. There is provision to introduce the solvent through an inlet in housing cover. Complete with 25 filter discs.