RING AND BALL APPARATUS-HAND OPERATED - WITH OUT BEAKER

Also called Softening Point Apparatus. This apparatus is meant for determination  of  softening  point of bituminous materials according to IP 58 and IS 1205. Softening point is that temp. at which the specimen under test becomes soft enough to allow a steel ball of specific dimension to fall a required distance under test condition. The  apparatus consist of Two steel balls each of 9.5mm diameter, Two tapered brass rings, Two ball guides, ring stand and a hand stirrer. Rate of rise @ 5°C per minute is Possible only in Digital Model.