HARDNESS TESTER FOR MASTIC ASPHALT:

AS PER IS 1195 - 1968
 

Introduction:

For determining the hardness number of Mastic Asphalt for flooring.

General Description and Specifications:

• It consist of an internally insulated cabinet to the base of which is fitted a water bath having two taps.
• The bath is heated by an immersion heater and the temperature is controlled with the thermostat at 35° ± 0.5° C.
• A 6.5 mm dia pin is loaded on the specimen by means of a lever to give a 31.7 Kg weight.
• A dial gauge 0.01 x 25 mm is provided to record the penetration of pin into the specimen.