What is the scope of application of calcium formate in industry?
I. It is suitable for the production and construction of concrete projects and precast concrete components with urgent schedule.
Second, it is suitable for pumping and non-pumping construction of ordinary concrete and prestressed reinforced concrete. It has good applicability to ordinary silicate cement, slag silicate Cement Calcium Formate.
It can be applied in various civil engineering, construction, transportation, water conservancy and other engineering fields.
Fourth, it is suitable for construction in the environment above minus 15℃.
It should be noted that, as the temperature decreases, the dosage of calcium formate needs to be increased in order to play a significant role in early strength. Especially in winter, calcium formate as a new type of low-temperature early-strengthening agent, can to a large extent to accelerate the drying speed of cement, because the low-temperature mortar setting time will be extended. Another function is to enhance the strength of cement. Cement additives can make the water in the cement completely dry, thus enhancing the hardness of cement to a large extent. Especially in winter, calcium formate has been used in the construction of highways, bridges, tunnels, civil building projects and so on.
Calcium formate is an Additive without any erosive effect on steel reinforcement, under the premise of guaranteeing the quality of concrete; it can greatly shorten its final setting time, so that it can be demolded as early as possible, thus accelerating the turnover of the formwork, saving the amount of formwork, saving energy and saving cement, reducing production costs, and increasing the output of concrete products.
At present, the main application of calcium formate is to accelerate the hydration of tricalcium silicate in cement and increase the early strength of cement mortar. The effect of calcium formate on the strength of cement mortar mainly depends on the content of tricalcium silicate in cement. With less tricalcium silicate, its early strength effect is good, it will not attenuate the late strength of cement mortar, and it has a certain degree of anti-freezing in low temperature.
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