SOFTENING POINT |
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USHA Make Ring And Ball Apparatus
As per IS 1205 1985, IP 58/63 & ASTM D 36
This apparatus is used to determine Softening point of Bitumen. It is that temperature at which a sample of bituminous material loaded by a 9.5mm dia steel ball, drops a specified distance when heated under specified conditions.
Specification:
The apparatus consists of steel bracket with a sliding plate support. That support has two holes of 10mm dia on which a ring and ball guide can be kept. A central hole on this plate is for inserting thermometer. Supplied with a glass beaker approximate 600ml, high and a hand stirrer and 2 Nos. 9.5mm dia steel balls. |
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DISTILLATION |
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USHA Make Water In Bituminous Material (Dean- Stark)
As per ASTM D 95,D244
Specification:
Used to determine the water in petroleum products or bituminous materials by distilling them with volatile solvent. The equipment comprises electric heater with thermos regulator, glass still, support stand, condenser, receiving trap, clamp |
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PENETRATION |
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USHA Make Standard Penetrometer
As per ASTM D5, BS 2000
Used to determine grade of bitumen. The penetration tests determine consistency of bitumen for the purpose of grading. Depth in units
1/10 of millimeter to which a standard needle having a standard weight will penetrate vertically in a duration of five seconds at a temperature of 25° C determines penetration for gradation.
Specification:
It consists of a vertical pillar mounted on a base provided with leveling screws. The head, together with dial plunger rod a cone (or needle) slides on a pillar and can be clamped at any desired height. A rack and pinion and pointer assemble provides fine adjustment of needle or cone tip to sample. It incorporates a clutch mechanism. Which makes reading of penetration and subsequent resetting a simple and accurate operation. The dial is graduated in 400 1/10 and the millimeter subdivisions and the needle pointer against figures makes easy reading. Supplied with a bitumen penetration needle, ring
weight one each 50 gms and 100 gms two sample containers. |
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CRUSHING AND GRINDING |
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USHA Make Hardness Tester For Mastic Asphalt
As Per IS 1195
For determining the hardness number of Mastic Asphalt for flooring. 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°C ±0.5° C. A 6.5mm 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 |
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USHA Make Stripping Value Apparatus
For determining stripping value of bituminous mixes having aggregate size: 1.0mm to 75 micron.
Specification:
A circular tray rotates in a vertical plane at a rate of approximately 100 rpm by an electrical geared motor. 4 bottles of approximately 400 cc are mounted on this circular tray at an angle of 900. To each other with their mouth towards center of the tray. A time switch is provided. Suitable for operation on 230 V
A.C. Single Phase |
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BINDER EXTRACTION |
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USHA Make Centrifuge Extractor (Hand Operated)
As per ASTM D2172, AASHTO T-58, T-164.
Specification:
The Instrument is used for determination and checking of Bitumen percentage in Bituminous mix, the mix is added with a solvent and dissolved bitumen is removed by centrifugal action. Consists of a removable Aluminum rotor bowl, Capacity 1500 gms. With a cap and tightening nut. The bowl assembly is mounted on a vertical shaft, which protrudes from a cast housing. This shaft and thus the bowl is rotated fast manually by enclosed gears in the cast body and handle. Solvent is introduced during the test through the holes in the cap of the housing. A drain is provided to collect dissolved Bitumen coming out of the rotating bowl and getting
collected in the housing. |
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USHA Make Centrifuge Extractor (Motorised)
As Per ASTM: D2172 AASHTO: T-58, T-164
Specification:
Used for the determination of bitumen percentage in bituminous mixtures. It consists of a removable, precision machined aluminium rotor bowl (accessory 1500 or 3000 g capacity), housed in a cylindrical aluminium box. The separate control panel incorporates an electronic card fitted with AC drive that automatically drives the bowl speed rotation ramp from 0 to 3600 R.P.M. as requested by Standards, with automatic fast stop bowl rotation at the end of the test. Supplied complete with speed regulator and digital display monitoring the
frequency. Power supply: 230 V A.C. Single Phase. |
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VISCOSITY |
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USHA Make Say Bolt Viscometer
As per ASTM D88, D244, AASHTO T72
Say bolt Viscometer, Electrically Heated, ASTM D88, D244, and AASHTO T72 for the empirical measurement of Say bolt Viscosity of petroleum products at specified temperatures between 70OF and 210OF. This is also used for determining the Saybolt Furol Viscosity of bituminous materials at temperatures of 250, 275, 300, 350, 400 and 450OF. It comprises one each of Cylindrical Oil Cup, Universal Tip, Furol Tip, and Bath Fitted with immersion Heater mounted on a stand. Dimmer stat for temperature control, Stirrer with shield. Complete with insulated handle and thermometer support receiving flask, withdrawal tube, filter funnel, thermometer support for cup and circular spirit level. Suitable for operation on 230 V 50 Hz, Single Phase, A.C. |
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PAVING MIX TESTS, MARSHALL STABILITY &
COMPACTION |
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Paper Discs, Non-absorbent, 11 cm diameter pack of 100 No.
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USHA Make Mixer With Heating Jacket
A 6-litre Mixer Used in conjunction with an ISO Mantle, is suitable for mixing samples of asphalt. Bench mounting Mixer, 6 liter nominal capacity. Supplied with bowl, beater and whisk. Motorised with two speed operated on 230 V A.C., Single Phase. |
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DUCTILITY |
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USHA Make Ductility Testing Apparatus
As per IS 1208-1058, ASTM D 113, IP32, 55, AASHTO T 51
Designed to test three specimens simultaneously. The machine consists of a carriage moving over a lead screw. An electric motor driven reduction gear unit ensures smooth constant speed and continuous operation. The entire assembly is mounted with a stainless steel lined water bath completely encased in metal bound hardwood. It is equipped with an electric pump circulator and heater. The temperature |
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USHA Make Marshall Stability Test Apparatus
As per ASTM: D 1559 T- 62. BS 598-107
Marshall Apparatus Consists Of:
§ Robust construction
§ 50KN capacity
§ Rate of travel 50.8mm/min
§ Safety cut-off switch
It consists of body housing, a geared screw jack and motor drive mechanism suitable for operation on 230 V, 50Hz, Single Phase, A.C. supply.
Marshall Load Frame
Breaking Head Stability Mould, with a dial gauge (having 25mm travel and 0.01mm least count), for flow measurement.
Compaction Mould, Steel cylindrical Base Plate
Extension Collar
Compaction Pedestal, Manual Operation, Comprising a steel plate capped on a wooden post. A Mould Clamp is fitted to the top of the plate.
Compaction Hammer, satisfies BS 598. The hammer has a 4535 g sliding weight with a free fall of 457 mm
Load Transfer Bar is controlled thermostatically. Two rates of travel i.e. 50 mm/min and 10 mm/min are provided. Suitable for operation on 230 V, 50 Hz, Single Phase, A.C. supply. |
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USHA Make Elastic Recovery Mould
A set of three moulds as per IRC-SP-53-2002 made of brass /gunmetal with the shape, dimensions and tolerances.
The ends B & B` are known as clips, and the parts A & A’ are known as sides of the mould. The dimensions of the mould shall be such that when properly
assembled it will form a briquette specimen having the following dimensions. Total length : 75 ± 0.5 mm |
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SURFACE REGULARITY |
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USHA Make Straight Edge (3 Meters)
A straight edge approximately 3 meters in length may be used to determine lateral surface regularity of a road surface. This lightweight apparatus is made up of mild steel or aluminum as per customer’s requirement and is equally supported at both ends producing a set height between the road surface & the beam. Any vertical irregularity is measured using
incremented wedges. |
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