What admixtures are used for gypsum mortar?(2)
4. Water retaining agent Gypsum dry-mix building materials are inseparable from water-retaining agents. To improve the water retention rate of gypsum product slurry is to ensure that water can exist in gypsum slurry for a long time. In this way, a good hydration hardening effect is obtained. Improve the constructability of gypsum powder building materials,
