#Ring and ball apparatus
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 temperature 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 consists of Glass beaker of heat resistant glass having internal diameter of 8.5 cm X 12 cm depth (approximately), two steel balls each of 9.5mm diameter, two tapered brass rings, two ball guides, ring stand and a hand stirrer.
Same as above but Electrically Operated.
(Without thermometer) complete with one 1000 milliliter flask and one 100 milliliter crow receiver.]
#RING AND BALL APPARATUS #Ring and ball apparatus #Ring & ball apparatus #Ring and ball _apparatus