ASTM International Standard Specification for Industrial Chimney Lining Brick ASTM C980-23

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.