SOFTENING POINT APPARATUS : MTBA-25

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SOFTENING POINT APPARATUS : MTBA-25

Category: ENGINEERING

Model No:MTBA-25

Softening Point Apparatus

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

Product Description

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

** Note:-The content of the product and specification are subject to change without prior notice for continuous improvement. Images shown are for representation purpose only. “MICROTEKNIK” keeps the right to modify the content in the product without prior notice.

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