Commonly masonry mortar includes cement-based masonry mortar, lime or gypsum-based mortar, and cement lime mixed masonry mortar and so on.
Cement-based masonry mortar is suitable for masonry works in humid and in water environment. Lime and gypsum-based masonry mortars are only used for low strength requirements and dry environment. Cement-lime mixed mortar is easy to work, and available for various strength grade masonry mortar. In addition to very high requirements of water resistance, It can be widely used in various masonry works. 
Celose® Cellulose Ether improves water retention, operation time and workability of mortar. Celose® Starch Ether supply outstanding thixotropicity, thickening, and improve workability.