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Bitumen-Asphalt Testing Equipments

 

Ring and Ball Apparatus

This apparatus is used to determine Softening point of Bitumen. It is that temperature at which a sample of bituminous material loaded by a 9.5 mm 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 10 mm 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 600 ml, high and a hand stirrer and 2 Nos. 9.5 mm dia steel balls.

 

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Stripping Value Apparatus
For determining stripping value of bituminous mixes havingaggregate size:
1.0 mm to 75 micron.

Specification :
A circular tray rotates in a vertical plane at a rate of approximately 100 R.P.M. by an electrical geared motor. 4 bottles of approximately 400 cc are mounted 0 on this circular tray at an angle of 90 . 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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Manual Centrifuge Extractor 

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 gm’s. 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.


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 s p e e d o p e r a t e d o n 2 3 0 V A.C. , S i n g l e P h a s e . ISO Mantle Electric Heater: For use of Bench Mounting mixer. For 230 VAC.,50Hz, Single Phase