Mr. Science says: it is a liquid, just a very viscous liquid at room temperature. It has no clear melting or freezing point. Also, the limestone has to be calcined into quicklime before being added to glass as a stabilizer. Now… “SMASH!”
Mr. Science says: it is a liquid, just a very viscous liquid at room temperature. It has no clear melting or freezing point. Also, the limestone has to be calcined into quicklime before being added to glass as a stabilizer. Now… “SMASH!”