The ring and ball values are automatically registered by two photoelectric cells right and left with digital display of results and difference. Two test options 30 to 80° C for water and 80 to 150° C for glycerol are provided. Supplied with glass beaker 600 ml, stirring rod as well as a …

Ring and Ball Method (R&B) ASTM D 3461-76, DIN ISO 4625. This method is the most frequently used to determine the softening point of resins. Show above figure illustrates the experimental device used to determine the R&B softening poin t. The resin is melted into a metal ring and left to cool.

Softening Point Ring and Ball is the second oldest test method applied to bitumen, after needle penetration. It is the temperature at which a bitumen sample in a ring has had a deformation of 25 ± 0,4 mm by a ball while heated. Defi nition and Terminology Softening Point Ring and Ball: Temperature at which bitumen and bituminous binders attains

5.3 Balls—Two steel balls, 9.5 mm (3⁄8 in.) in diameter, each having a mass of 3.50 6 0.05 g. 5.4 Ball-Centering Guides—Two brass guides for centering the steel balls, one for each ring, conforming to the general shape and dimensions shown in Fig. 1 (b). 5.5 Bath—A glass …

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With the rise in temperature of the ball comes an increase in size. the diameter of the ball has increased in all directions. The expansion in area of a soli...

The Ring and ball method Apparatus is used to determine the softening point of asphalts, pitches, tars and most resins.The softening point is the degree of temperature at which a solid substance starts to convert into a liquid state under certain specific conditions.

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Baseball and tournament ring rack made from reclaimed wood. Display your favorite slugger's home run balls and well earned rings on 2 SHELVES of pegs for all to see! Boards are slightly slanted to keep balls from rolling off once hung, however wood is reclaimed and …

Ring-and-Ball vs. Cup Assessment of Soften Softening point (SP) is an imp( in many industries. The two sl from bitumen to greases, wax( ball method.

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Ball and ring are used to demonstrate the thermal expansion and contraction of metals when heated and cooled. When the ball is cold it can easily go through the ring. When you heat it up, it will expand (become larger) and does not go through the ring. Ball and ring is a classic experiment showing the expansion of materials when they expand.

A metal ball and ring, each made of the same material, are made in such a way that at the same temperature, the inside diameter of the ring is just slightly larger than the diameter of the ball so that the ball will barely pass through. If the ball is heated, it will expand and not be able to be passed through the ring.

The ring and ball apparatus consist of following: Steel balls – two numbers each of 9.5 mm dia. And weighting 3.5 ± 0.05 g. Brass rings – two numbers of the ring each having depth of 6.4 mm. The inside diameter at the bottom is 15.9 mm and the top is 17.5 mm. Ball guides – to guide the movement of steel balls keeping it in the center.

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H-1567. Digital, Auto Ring and Ball Apparatus, 120V 60Hz. $4,770.00. Add to Saved Cart. Add to Cart. Digital, Auto Ring and Ball Apparatus. Designed for speed and accuracy, this ring and ball apparatus automatically determines the softening point of asphalts and pitches. Two laser sensors detect the fall of the ball, detecting and recording the ...

Procedure: Show students that the metal ball easily goes through the ring. Turn on Bunsen burner. Hold metal ball above flame and heat for a minute. Try to put the heated metal ball through the ring (won't be able to do it) Put the heated metal ball in the beaker with the cold water.

Ring and ball method softening point apparatus with electric hotplate, beaker and stand. H-1567.XX Digital, Auto Ring and Ball Apparatus. Softening Point Test, continued. Because the softening point is needed to establish the uniformity of shipments or sources of supply, it …

Ring and Ball Apparatus is used to determine the softening point of bitumen, waxes, LDPE, HDPE/PP blend granules, rosin and solid hydrocarbon resins. The apparatus was first designed way back in the 1910s while ASTM adopted a test method in 1916. This instrument is ideally used for materials having softening point in the range of 30 °C to 157 °C.

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2. Grab the ball. Use the index finger and thumb of your free hand to grab the captive ring bead. Or, you can use a ball grabber tool to reach out to the captive bead. Placing a slight amount of pressure on the ring pliers will cause the ball to become loose. Make sure to grab it …

Ring and ball test is used to determine the softening point of bitumen, asphalt and coal tar. This test consists of two brass ring and two steel ball, using which the softening point of various bituminous materials are determined. Contents: [ show] Softening Point of Bitumen, Asphalt and Coal Tar

The ring and ball softening point test involves heating two small samples of the bitumen in a container of water. The ring is immersed to a depth such that its bottom is exactly 25mm (1 inch) above the bottom of the bath. The temperature of the bath is then gradually increased, causing the ball to sink eventually to the bottom of the bath.

Ring and ball softening point method The ring-and-ball softening point is defined as the temperature at which a disk of the sample held within a horizontal ring is forced downward a distance of 1 in. (25.4 mm) under the weight of a steel ball as the sample is heated at a …

ASTM Ring and Ball Softening Point Testthis is the astm version of the test, the water is not stirred during this test, in the British Standard version the w...

LP-16 Softening Point Ring and Ball Apparatus determine the softening point of asphalt, coal tar pitch and other viscoelastic bitumens in the range of 30°—157°C (86°—315°F). The unit simultaneously tests two samples for optimal compliance with standard test procedures. Steel balls are placed on top of bitumen specimen disks in test rings in a bath.

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thesupportcarryingthering,ball(ballguideifused),andhorizontal plateso thatthetop of the ring is not less than 5.1 cm below the surfaceof thewater and the —4.0° to +104° C. thermometer is

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