(IP 31,132 and ASTM-D-556)
This is used for determining drop point of greases as per IP, 31, 132 & ASTM-D-566. It is an indication of the critical temperature of the solid or semi solid to the liquid state. The apparatus consists of brass sleeve and case with metal cup and a glass boiling tube with cork fitted to a bath (Beaker) is provided. A stirrer is also provided in the bath.