GinShiCel cellulose ether can make thermal insulation mortar with appropriate consistency, non-stick knife when used, feel light and smooth, easy to wet the board and wall, and keep the state of carding grain continuously; Its excellent water retention rate can ensure that workers have enough time to embed glass mesh cloth in wet mortar, avoid mortar peeling when plastering; It has good wrapping property for light packing, can keep the consistency of mixed slurry for a long time, slow down the bleeding, maintain the stability of slurry, and improve the bond strength to the greatest extent.