327120

Clay Building Material and Refractories Manufacturing

This industry comprises establishments primarily engaged in shaping, molding, baking, burning, or hardening clay refractories, nonclay refractories, ceramic tile, structural clay tile, brick, and other structural clay building materials. A refractory is a material that will retain its shape and chemical identity when subjected to high temperatures and is used in applications that require extreme resistance to heat, such as furnace linings. Cross-References. Establishments primarily engaged in--

["Manufacturing resilient flooring and asphalt floor tiles--are classified in U.S. Industry 326199, All Other Plastics Product Manufacturing;","Manufacturing concrete bricks--are classified in U.S. Industry 327331, Concrete Block and Brick Manufacturing; and","Manufacturing glass bricks and blocks--are classified in Industry 32721, Glass and Glass Product Manufacturing."]