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ASTM C673-97(2018)

Historical Reaffirmation

Standard Classification of Fireclay and High-Alumina Plastic Refractories and Ramming Mixes

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1.1 This classification covers fireclay and high-alumina plastic refractories and ramming mixes that can be pounded or rammed into place to form a monolithic structure. The terms “plastic” and “ramming mix” are generally intended to describe the workability of the material. In this regard, plastics are considered to be materials having a workability index of more than 15 % in accordance with Test Method C181, while ramming mixes generally have less than 15 % workability by the same procedure.

1.2 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.


3.1 This classification defines a group of classes for use by those producing or purchasing fireclay and high-alumina plastic refractories and ramming mixes. Each class is limited by PCE or alumina content, or both. This classification is frequently used as a specification when the properties shown in Table 1 are the only items specified.

(A) NR = not required.

SDO ASTM: ASTM International
Document Number C673
Publication Date Oct. 1, 2018
Language en - English
Page Count 2
Revision Level 97(2018)
Supercedes
Committee C08.92
Publish Date Document Id Type View
Nov. 10, 1997 C0673-97 Revision
Sept. 1, 2022 C0673-97R22 Reaffirmation
Oct. 1, 2018 C0673-97R18 Reaffirmation
Sept. 1, 2013 C0673-97R13 Reaffirmation
Aug. 1, 2008 C0673-97R08 Reaffirmation
April 10, 2003 C0673-97R03 Reaffirmation