To achieve certain thickening effect, fantastic workability and application easiness, thickener is always necessary to added into various kind of dry mix mortar. Quality cellulose ether with different viscosity ensures excellent water retention effect and achieve additional properties like antisag or antislip properties and improves open time for tile adhesive. Starch ether is an excellent thixotropic agent which give additional application workability and suitable for many types of troweling products like plaster, render and wall putty. Organic bentonite is a kind of layer silicate, as mineral thickener, which is quite good for pumping aid, and suitable for the products with machinery application.