Standard Tar Viscometer

Product Description

Tar Viscometer: MTBA-29

Viscosity is calculated indirectly by redwood viscometer (which is used to find the viscosity of oil) is used to find the viscosity of bituminous material, after modifying the diameter of the orifice. The behavior and properties of oil and bitumen are different but same procedure and criteria is used to find the viscosities of both the materials the bituminous material is tested alone presence of aggregates is neglected the test is conducted at standard temperature which neglects the practical condition of variation in the temperature assumption made while using the redwood viscometer about type of flow affects the results proper control over the binder viscosity has to be exercised not only at each and every stage of construction but also during service period of the pavement It can be said that low valve of viscosity indicates high fluidity which may not provided binding action but may just lubricate the movement of aggregate.

Features

• Thermometer
• Run off cock
• Supporting legs
• Heating tube of 15 mm dia
• Vane
• Electrical heating with energy Regulator Control
• Electrical heating with Digital Indicator and Regulator
• Compact design
• High tensile strength
• Long service life
• It better in the presence of water

Technical Specification

• It is produced by destructive distillation of wood or coal in the absence of air
• It has black to brown color
• It coats aggregate more easily and retains
• It has more quantity of free carbon
• It has inferior weather resisting properties
• Its viscosity varies greatly with the temperature
• Its setting time is more
• It is more adhesive
• It is cheap
• It is less durable
• It hardens quickly
• Percentage carbon content in it is more
• It is available in viscous state

Accessories

• Spare silver plated cup 10mm or 4mm
• Measuring cylinder 100ml cap.
• IP 8c low range thermometer
• IP 9c medium range thermometer
• IP 10c high range thermometer