1.Superplasticizer mainly absorbs on the cement hydrates covering the surface of cement particles instead of on the surface of unhydrated particles.
超塑剂主要大量在水泥颗粒表面的水产物上而不在未水水泥颗粒表面。
2.It is shown that expansible ettringite forms in the topochemical reaction,and crystallizes in-situ on the surface of unhydrated aluminate minerals and orients radially.