Joyforce hydroxypropylmethyl cellulose is a functional cellulose ether, which is recommended for plastering plaster. It has the following characteristics: Effectively improve the workability of plastering gypsum and improve the construction efficiency. Improve the plastering gypsum coating rate and increase the construction area per unit mass. The gel temperature is high and the water retention performance is good. Good adaptability, suitable for various gypsum systems.