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Effect of Silica Purity

Effect of Silica Purity

2017-04-22

For a period of time, people have clearly realized that the contemporary low cement castables require accurate control of the settlement process, which is greatly affected by the chemical purity of the added silicon powder [6]. The purity of silica fume and its influence on low cement castable system play an important role in the development of durable castable.

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Castable formula of high purity calcium aluminate cement

Castable formula of high purity calcium aluminate cement

2017-04-22

At present, low cement castables containing activated alumina or silica fume (silica fume) need strong dispersion system. The appearance of dispersion system in low cement castables causes another interaction. Alcoa has developed dispersed alumina to optimize the flow and settlement behavior of castables at different ambient temperatures, as shown in Figure 8.

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Quality of high-purity calcium aluminate cement

Quality of high-purity calcium aluminate cement

2017-04-22

Alcoa produces four grades of 70% cement for different applications. CA-14 cement is a traditional 70% cement, but CA-270 is a 70% cement with different mineral structures and particle size distribution, which needs to be developed into a cement with low water demand and high thermal strength.

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How can cement enterprises do well in carbon asset management under no clear policy?

How can cement enterprises do well in carbon asset management under no clear policy?

2017-04-22

In this year's Government Work Report, Premier Li Keqiang proposed to vigorously develop green finance. Green finance plays an important role not only in building green ecology, but also in improving China's financial system.

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Cement Research Institute: 2017 may not continue 2016 cement demand

Cement Research Institute: 2017 may not continue 2016 cement demand

2017-04-22

Compared with previous years, investors will pay more attention to the annual reports of major cement listed enterprises this year.

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