cement glue
7. Some factories and households use a small amount of C cellulose mixed into hydroxypropyl methyl cellulose ether, and when the aqueous solution of C cellulose meets with tin, silver, aluminum, lead, iron, copper and some heavy metals, precipitation reaction will occur; When c-cellulose aqueous solution coexists with calcium, magnesium and salt, it will not produce precipitation, but will reduce the viscosity of c-cellulose aqueous solution.
400-200000cps