龙飞助剂
Longfei auxiliary agent
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At present, concrete admixtures have gradually become an indispensable part of concrete. The reason is that they can save energy, improve the quality of concrete building materials and improve the ...
2020-11-18
What is retarder:Retarder refers to the admixture that can delay the setting time of concrete and has no adverse effect on the later strength development of concrete. There are four main types of r...
2020-11-18
The addition of grinding aids has a significant effect on the water evaporation rate of slurry and the surface tension of pore solution.The delay of grinding aid for cracking time mainly lies in i...
2020-11-08
At present, the grinding mechanism of grinding aids is still under research and exploration. The grinding mechanism and theory accepted by the academic community are summarized as follows.(1) Stren...
2020-11-05
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