CEMENT COMPOSITION AND CEMENT HARDENED BODY

摘要

PURPOSE:To provide a cement compsn. providing a cement hardened body free from surface cracking and excellent in toughness by extrusion molding without using asbestos and obtain a cement hardened body using the compsn. CONSTITUTION:This cement compsn. contains cement, silica and ramie as reinforcing fibers. This cement hardened body is obtd. by subjecting this cement compsn. to extrusion molding, curing and hardening.