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ASTM C1223-09

Historical Revision

Standard Test Method for Testing of Glass Exudation from AZS Fusion-Cast Refractories

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1.1 This test method covers a procedure for causing the exudation of a glassy phase to the surface of fusion-cast specimens by subjecting them to temperatures corresponding to glass furnace operating temperatures.

1.2 This test method covers a procedure for measuring the exudate as the percent of volume increase of the specimen after cooling.

1.3 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.

1.3.1 ExceptionThe balance required for this test method uses only SI units (Section 6).

1.4 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 and health practices and determine the applicability of regulatory limitations prior to use.

This test method was developed for use both by manufacturers as a process control tool for the production of AZS fusion-cast refractories, and by glass manufacturers in the selection of refractories and design of glass-melting furnaces.

The results may be considered as representative of the potential for an AZS refractory (specifically, in the tested region) to contribute to glass defect formation during the furnace production operation.

The procedures and results may be applied to other refractory types or applications (that is, reheat furnace skid rail brick) in which glass exudation is considered to be important.

SDO ASTM: ASTM International
Document Number C1223
Publication Date March 1, 2009
Language en - English
Page Count 4
Revision Level 09
Supercedes
Committee C08.10
Publish Date Document Id Type View
June 1, 2019 C1223-19 Revision
March 1, 2009 C1223-09 Revision
Aug. 1, 2023 C1223-19R23 Reaffirmation
Oct. 1, 2018 C1223-09R18 Reaffirmation
Sept. 1, 2014 C1223-09R14 Reaffirmation
Nov. 1, 2003 C1223-92R03 Reaffirmation
March 10, 1998 C1223-92R98 Reaffirmation