What is the difference between low alkali cement and ordinary cement

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?…


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Graphite in the Upper Midwest

What is Graphite?Graphite is a dark gray to black, soft, shiny metallic mineral with a distinctive greasy feeling. One of the Earth's softest minerals, Graphite will easily leave marks on paper, which is why it is used for fine artist pencils. Even m...…


Why nano silicon powder can be used as a semiconductor material.

What's nano silicon powder? Nano silicon powder The smallest diameter of crystal silicon particles is 5 nanometers. This corresponds to one billionth of 1G meters. High purity, low particle size and uniform distribution of nanosilicon powder are ...…


Is graphite powder dangerous?

How is graphite a powder ? Graphite is dark and soft. This can make the paper feel greasy. It has a hardness of 1 to 2, but can be increased by adding more impurities vertically. It has a specific gravity of 1.9-2.3. Under the condition of oxygen is...…

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