About this TVET Equipment
Softening Point Apparatus is suitable for Vocational Lab, Industrial Training Institutions, TVET Engineering Colleges and Polytechnics — suitable for Civil and Mechanical Engineering Lab tender supply.
This Softening Point Apparatus is part of our TVET Engineering Lab Equipment tender catalogue covering Workshop Machines & Accessories, CAD/CAM Lab, Measurement Lab, Refrigeration & Air Conditioning Lab, Materials Testing Lab, Applied Mechanics Lab, Fluid Mechanics Lab, Turbo Machinery Lab, Heat & Mass Transfer Lab, Thermal Engineering Lab, Automobile Engineering Lab, Concrete Testing Lab, Cement Testing Lab, Soil Testing Lab, Bitumen Asphalt Testing Lab, Aggregate Testing Lab, Steel Testing Lab, Structural Engineering Lab, Environmental Testing Lab and Surveying Lab Equipment.
Softening Point Apparatus
Description & Specification
It may be defined as the softening point is the temperature at which the substance attains particular degree of softening under specified condition of test bitumen is determined by ‘Ring and Ball test’. A brass ring containing the test sample of bitumen is suspended in liquid like water or glycerin at a given temperature. A steel ball is placed upon the bitumen and the liquid medium is then heated at a specified rate the temperature at which the softened bitumen touched the metal plate placed at a specified distance below the ring is recorded as the softening point of a particular bitumen the apparatus and test procedure are standardized. It is obvious that harder grade bitumen possess higher softening point.
Features:-
Thermometer
Beaker
Steel ball on bitumen
Bitumen
Electrical heater
Regulator for rate of heating
Tapered ring
Slot to arrow for ring with stem
24 wall with recess for holding ring
Technical Specification:-
Depth 6.4 mm
Inside dia at bottom 15.9 mm
Inside dia at top 17.5 mm
Outside diameter 20.6 mm
Softening points: Repeatability: Reproducibility
Below 30°c : 2°c : 4°c
30°c- 80°c : 1°c : 2°c
Above 80°c : 2°c : 4°c
The softening point of various grades vary between 35°c to 75°c
Quantity and type of liquid
Weight of balls
Distance between bottom rings and bottom base plates
Rate of heating
A circular up to 80 mm dia 80 mm height is taken
The holes of 4 mm diameter
The whole assembly is kept at 50°c for duration of five hours
Accessories:-
Steel balls
Brass rings
Support
Bath and stirrer
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