... quality standard of concrete admixture (GB8076-1997). With high water-reducing ratio, good anti-slump property, good durability and ... over C50 high-strength and high-performance concrete, such as cast-in-situ concrete, prestressed reinforced concrete, pumped concrete, ... pile concrete, etc. in the works like railway, bridge, water conservancy, port and municipal project.II. Main Performances of Product ...