What admixtures are used for gypsum mortar?(4)
7. Air-entraining agent Air-entraining agent, also known as foaming agent. It is mainly used in gypsum dry-mixed building materials such as gypsum insulation compound and plaster plaster. Air-entraining agents (foaming agents) help improve workability, crack resistance, frost resistance, and reduce bleeding and segregation. The dosage is generally 0.01% to 0.02%. 8. Defoamer Defoamers commonly uses