Model: (general putty: ZY100), (mortar: ZY200), (tile adhesive: ZY150), (gypsum-based products: ZY130) (neutral putty (821): ZY801 specifically for putty), mortar, gypsum special formulation, more suitable for putty, mortar, gypsum and other products, overall optimization of water retention, thickening and adhesion, gel temperature 65 degrees, fineness 80 mesh. It is recommended to add 3-3.5kg of putty powder for interior wall, 3-4kg of putty powder for exterior wall, 2-2.5kg of mortar, 2-2.5KG of gypsum base, 2-3kg of tile adhesive, and 3kg + 8kg of corn pregelatinized starch for neutral 821 putty. The amount of bonding mortar added is 2-2.5kg, and the amount of plastering mortar added is 3-3.5kg.