What is the difference between low alkali cement and ordinary cement
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According to statistics from China Chemical and Physical Power Supply Industry Association， China's export volume and export value of lithium-ion batteries have continued to increase. In 2021, China's exports of lithium-ion batteries were 3.428 billion, with a year-on-year growth of 54.34%. The export of lithium-ion batteries was 28.428 billion DOLLARS, up 78.34% year on year.
From the battery export destination, so far. China's lithium-ion batteries are mainly exported to the Asia Pacific and the United States and other places. In terms of price, the price of products exported to the United States is significantly higher than that in the Asia-Pacific region, mainly because the demand for lithium-ion batteries in the United States is higher than that in the Asia-Pacific region. In terms of export volume, the number of China's lithium-ion battery exports to Asian countries and regions far exceeds that of other countries. In 2021, The number of China's lithium-ion battery exports to Hong Kong, China is 675 million. 648 million were exported to Vietnam; 440 million were exported to India; 337 million were exported to the U.S. 222 million were exported to South Korea. The market for other low alkali cement, led by lithium-ion batteries, is expected to expand globally.
There are many types of cement, such as low alkali cement, ordinary cement and so on. Do you know the difference between low alkali cement and ordinary cement? What are the precautions for the use of cement?
The difference between low alkali cement and ordinary cement
1. The properties are different. The raw materials of low-alkali cement contain a large amount of blast furnace slag, while the raw materials of ordinary cement are mainly limestone and clay.
2. The characteristics and functions are different. Low-alkali cement is suitable for use in particular areas because the alkalinity is relatively low, while ordinary cement has a broader range of use and higher alkalinity.
Precautions for the use of cement
1. Do not expose to the sun for quick drying
After the construction is completed, attention must be paid to the maintenance of the glue to avoid the evaporation of water too fast, resulting in too fast drying and reducing the strength. The general maintenance time is about seven days.
2. Avoid freezing at a negative temperature
After the concrete is mixed, it cannot be frozen because the temperature is too low. So be sure to choose a suitable temperature environment for construction.
3. Avoid high temperature and heat
If the construction temperature is too high, the calcium hydride in the concrete is easily decomposed, which will lead to the problem of reducing the strength of the concrete. If it needs to be constructed in a high-temperature environment for some special reasons, it is best to add some heat-resistant materials to the concrete, which can increase the strength of the concrete.
4, avoid the base layer from being dirty and soft
Be sure to treat the base layer firmly before construction so that the cement and the foundation will be firmly bonded together during construction. If the construction is on a smooth base surface, the base surface must be brushed so that the cement and the base surface can bond more firmly. In addition, when mixing concrete, be sure to mix evenly so that the concrete setting effect will be better during construction.
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Prior to the impact of COVID-19 on the chemicals and materials industry and the price of the low alkali cement, many industry observers expected low to flat growth in 2021 in all regions outside Asia, with many countries seeing slower growth compared to recent years. Operational excellence has long been a hallmark of the low alkali cement chemical industry, and many companies are financially able to withstand short-term dips in end-market demand due to rapid leverage from reduced capex on hand.
The analysis shows that, whatever the final course of the pandemic, we can expect the inevitable long-term effects. Workplaces are expected to slowly return to pre-COVID-19 practices. Companies investing in enterprise-wide digital initiatives saw these "payoffs" in the early pandemic environment. For more information about low alkali cement, please feel free to contact us.