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Standard Test Method for Bulk Density of Granular Refractory Materials (Includes all amendments and changes 4/22/2022).
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STANDARD published on 1.2.2022
Designation standards: ASTM C357-07(2022)e1
Publication date standards: 1.2.2022
SKU: NS-1054461
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
blotting cloth, boiling, bulk density, buret, granular refractor, material, non-hydratable, sheen,, ICS Number Code 81.080 (Refractories)
Significance and Use | ||
3.1?Granular refractory materials may be either refractory grain raw materials that are used in the manufacture of finished refractory products, or bulk granular refractory materials that are sold, with or without some degree of processing, to refractory consumers for various uses. In either case, characterizing the properties of a granular refractory material is essential in evaluating its quality or consistency of quality and in determining suitability for end use. One of the important properties is bulk density because of its relationship to end product quality, usage, and performance. 3.2?The refractories producer can use this test method as one of the quality control tests for his manufactured or mined refractory grain raw materials or for evaluating potential refractory grain raw materials. 3.3?For the refractories consumer, the principal use of this test method is in the evaluation of the quality or the consistency of quality of the granular material in purchased refractory mixes or in bulk granular refractory materials used by the consumer. 3.4?This is a primary test method, and thus is suitable for use in specifications, quality control, and research and development. It can also serve as a referee test method in purchasing contracts or agreements and as a base for development of more rapid, secondary test methods for use in quality control on manufactured refractory raw materials. 3.5?Fundamental assumptions inherent in this test method are that the sample is representative of the material in general, the particle size of the sample is within the range specified by the test method, the material is not readily hydratable, and the size and quantity of pores in the material permits removal of surface water without drainage from the pores themselves. Deviation from any of these assumptions negates the usefulness of the test results. 3.6?In interpreting the results of this test method, it must be recognized that the specific gravity of the material as well as the porosity affects the value obtained for bulk density. Thus, comparisons of results should only be made between like materials or with full recognition of inherent differences between the materials being compared. |
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1. Scope | ||
1.1?This test method covers a procedure for determining the bulk density of granular refractory materials, commercial products which usually have particles that are retained on a 0.265 in. (6.7 mm) or coarser sieve. Note 1:?This test method is not suitable for materials that
hydrate in boiling water.
1.2?UnitsThe values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.2.1?ExceptionsIn Sections 4, 7, and 8, the apparatus used is only available in SI units. 1.3?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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2. Referenced Documents | ||
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