| 1. | It has a good compensation to shrinkage , and can improve the anti - cracking and anti - penetrating performance of concrete . it is often added to concrete to produce expanding concrete or the anti - cracking and anti - penetrating concrete , which are widely used in such engineering as waterproofing , anti - penetrating , mending etc . the expansion admixture include at present sulphoaluminate such as uea , ea - l etc ) , calcium oxide , and some composite expansion admixtures
混凝土膨胀剂在普通混凝土中可抵消干缩或温度降低引起的拉应力，起到良好的补偿收缩作用，能提高混凝土的抗裂防渗能力，常用于配制膨胀混凝土或抗裂防渗混凝土，广泛地应用于防水、抗渗、修补等工程中。 |
