analysis of three materials of waterproofing agent, expansion agent and concrete
1. waterproofing agent waterproofing agent is a chemical additive that is added to cement. when condensation and hardening, the volume expands, which plays the role of compensating shrinkage and tensioning steel bars to generate prestress and fully filling cement gaps. 2. expanding agent expanding agent is a modern word that refers to a chemical admixtures are added to cement. when the cement solidifies and hardens, it…
