Cellulose ethers, especially hydroxypropyl methylcellulose ether (HPMC), are important components in commercial mortars. For cellulose ether, its viscosity is an important indicator for mortar manufacturers, and high viscosity has almost become the basic demand of the mortar industry.

Boron trifluoride is a colorless toxic corrosive gas with pungent odor and strong irritation at room temperature and pressure.

Sodium carboxymethyl cellulose CMC soluble in water, transparent; It is stable in alkaline solution and easy to hydrolyze when it meets acid. It is widely used in many industries, including the production of ice bags and cold storage agents.