This specification covers solid kiln fired brick made from clay, shale, or mixtures thereof suitable for use in masonry construction in contact with the chemicals present in flue gases found in industrial chimneys. These brick are normally used with chemical-resistant mortars. Chimney lining bricks are classified according to types: Types I, II, and III. The following test methods shall be performed for the materials to meet the specified requirements: sulfuric acid boil test: compressive strength test; water absorption; sizes; warpage; and texture.
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1.1 This specification covers solid kiln fired brick made from clay, shale, or mixtures thereof suitable for use in masonry construction in contact with the chemicals present in flue gases found in industrial chimneys. These brick are normally used with chemical-resistant mortars.
1.2 The physical and chemical properties of chimney lining brick differ from supplier to supplier mainly because their composition is determined by the source of raw materials. Chimney lining brick, regardless of these differences, are considered to be of three types noted as follows:
1.2.1 Type I—For use where low absorption and high acid resistance are not major factors.
1.2.2 Type II—For use where lower absorption and higher acid resistance are required.
1.2.3 Type III—For use where lowest absorption and highest acid resistance are required.
Note 1—Types I, II, and III may not differ significantly in their resistance to thermal shock, and selection of brick type should be based upon their absorption and acid-resistant service requirements.
1.3 Terminology related to industrial floor brick is found in Terminology C1232.
1.4 Units—The 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.
1.5 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C20 Test Methods for Apparent Porosity, Water Absorption, Apparent Specific Gravity, and Bulk Density of Burned Refractory Brick and Shapes by Boiling Water
C67 Test Methods for Sampling and Testing Brick and Structural Clay Tile
C1232 Terminology of Masonry
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
absorption; acid resistance; acid solubility; ceramic; industrial chimney; masonry; physical properties; solid brick; Solubility--sulfuric acid; Sulfuric acid solubility; Acid resistance; Airflow resistance; Brick--specifications; Chemical-resistant brick--specifications; Chemical-resistant materials/products--specifications; Chimney lining materials--specifications; Clay products (structural)--insulating; Industrial buildings/developments--specifications; Liner/linings--specifications; Masonry chimneys; Masonry units--specifications; Petroleum products (oil shale); Shale;
ICS Number Code 91.100.15 (Mineral materials and products)
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