Powder body solidification medicine, cement admixture, cement constituent, cement building material and tombstone and cement constituent production manner null for pet

摘要

PURPOSE: To enable even fine powder such as waste foundry sand to be coagulated so as to have sufficiently high compressive strength. ;CONSTITUTION: This cement composition is obtained by molding and then curing a mixture of 100 pts.wt. of cement, 5 pts.wt. of calcium chloride, 4 pts.wt. of sodium silicate, 1 pt.wt. of carboxymethylcellulose, 110-130 pts.wt. of waste foundry sand, and 100-130 pts.wt. of water.;COPYRIGHT: (C)1996,JPO