Ringball test for softening point of bitumen, asphalt and. Before you perform the next experiment, try predicting what will happen when the ring is heated. The ring and ball method of test for softening point of. Hold the ball and ring up to the class and show them that the ball does not pass through the ring. The unit simultaneously tests two samples for optimal compliance with standard test procedures.
Softening point is determined by ring and ball apparatus. Astm d 36 ip 58 ring and ball automatic softening point. Steel balls are placed on top of bitumen specimen disks in test rings in a bath. Ask the students how the ball could be made to fit through the ring.
Shop gloves, punching bags, protective gear, and more at the best prices. A number in parentheses indicates the year of last reapproval. Ringside is the undisputed champion for boxing equipment and mma gear. Ringside boxing equipment and mma gear gloves, bags. Nayoya pilates ring premium full body toning fitness magic circle for at home body sculpt resistance training leg, inner thigh, arm workout and lower body toner. Walker abstract the softening point of materials which, like asphalt, have no definite melting point, but which when heated. Softening point of bitumen ring and ball apparatus 1 this standard is issued under the.
As the ball cools you will find that it reduces in size enough to allow the ball to pass through once again. Now, give the ring time to cool and once again try passing the ball through the ring. Full text of the ring and ball method of test for softening point of bituminous materials, resins, and similar substances see other formats rp 142 the ring and ball method of test for softening point of bituminous materials, resins, and similar substances by percy h. Lp16 softening point ring and ball apparatus determines the softening point of asphalt, coal tar pitch and other viscoelastic bitumens in the range of 30157c 86315f.
Ordering info 81b0145a ring and ball apparatus, including ring holderassembly, two brass rings, two brass ball centering guides, two steel balls, pouring plate, glass vessel and glass thermometer. Ring and ball apparatus motorized softening point as per is. A comprehensive list of all official equipment for fifth edition. Standard test method for softening point of bitumen ring. Definition softening point is the temperature at which the substance attains a particular degree of softening under specified conditions of test.
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