Main types of expansion agents

Concrete expansion agents are divided into three categories1. Calcium sulfoaluminate concrete expansion agentsExpansion agents with hydrated calcium sulfoaluminate or ettringite as the main expansion source2. Calcium sulfoaluminate – calcium oxide concrete expansion agentIt refers to a concrete expansion agent that reacts with cement and water to form ettringite and calcium hydroxide after hydration. . 3. Calcium oxide concrete expansion agentIt refers to a concrete expansion agent…