ASTM_C_980_-_17.pdf

Designation:C98017Standard Specification forIndustrial Chimney Lining Brick1This standard is issued under the fixed designation C980;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This specification covers solid kiln fired brick madefrom clay,shale,or mixtures thereof suitable for use inmasonry construction in contact with the chemicals present influe gases found in industrial chimneys.These brick arenormally used with chemical-resistant mortars.1.2 Terminology related to industrial floor brick is found inTerminology C1232.1.3 UnitsThe values stated in inch-pound units are to beregarded as standard.The values given in parentheses aremathematical conversions to SI units that are provided forinformation only and are not considered standard.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2C20 Test Methods for Apparent Porosity,Water Absorption,Apparent Specific Gravity,and Bulk Density of BurnedRefractory Brick and Shapes by Boiling WaterC67 Test Methods for Sampling and Testing Brick andStructural Clay TileC1232 Terminology of MasonryE11 Specification for Woven Wire Test Sieve Cloth and TestSieves3.Terminology3.1 DefinitionsFor definitions relating to industrial chim-ney lining brick,refer to Terminology C1232.4.Classification4.1 The physical and chemical properties of chimney liningbrick differ from supplier to supplier mainly because theircomposition is determined by the source of raw materials.Chimney lining brick,regardless of these differences,areconsidered to be of three types noted as follows:4.1.1 Type IFor use where low absorption and high acidresistance are not major factors.4.1.2 Type IIFor use where lower absorption and higheracid resistance are required.4.1.3 Type IIIFor use where lowest absorption and highestacid resistance are required.NOTE1Types I,II,and III may not differ significantly in theirresistance to thermal shock,and selection of brick type should be basedupon their absorption and acid-resistant service requirements.5.Sulfuric Acid Boil Test5.1 When tested in accordance with Section 9,the brickshall conform to the requirements for“Maximum AverageWeight Loss by H2SO4Boil Test”as shown in Table 1.6.Physical Properties6.1 Compressive StrengthWhen tested in accordance withTest Methods C67,Section 6(Compressive Strength),the brickshall conform to the requirements for“Minimum CompressiveStrength”as shown in Table 1.6.2 Water AbsorptionWhen tested in accordance with TestMethods C20,the brick shall conform to the requirements for“Maximum Water Absorption by 2-h Boiling”as shown inTable 1.7.Dimensions,Mass,and Permissible Variations7.1 SizesThe sizes of brick shall be as specified by thepurchaser.When tested in accordance with Test Methods C67,Section 11(Measurement of Size),the brick shall conform tothe requirements for“Permissible Variations in Dimensions”asshown in Table 2.1This specification is under the jurisdiction of ASTM Committee C15 onManufactured Masonry Units and is the direct responsibility of SubcommitteeC15.02 on Brick and Structural Clay Tile.Current edition approved June 1,2017.Published July 2017.Originally approvedin 1982.Last previous edition approved in 2013 as C980 13a.DOI:10.1520/C0980-17.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 7.2 WarpageWhen tested in accordance with Test Meth-ods C67,Section 12(Measurement of Warpage),the toleranceon warpage of the brick shall be as indicated in Table 2.8.Finish and Appearance8.1 Black HeartBrick when broken may have a dark area