Why Is Graphite So Unique And Practical In Our Every day Life?

 Perhaps you've seen Isostatic Graphite or Artificial Graphite. You believe each of them are special and amazing. Then let us know much more about graphite.

As a few of us know, graphite is with its special nature. Photovoltaic Graphite is really a good instance. In other words, graphite has unique structure consequently it has its unique feature.

Firstly,graphite is with high temperature resistance. Generally speaking, graphite is melting point may be up to three thousand, nine hundred degrees. Simultaneously, its boiling point can be as much as 4 thousand, two hundred and twenty five degrees. Even the ultra high temperature arc ignition, weight loss of graphite continues to be very little. What is more, its coefficient of thermal expansion can also be extremely small. In contrast, the graphite strength increases using the increasing temperature. By the way, when the temperature of graphite is two thousand, the graphite intensity can be doubled.

Secondly, graphite is using the function of conductivity. To become specific, graphite is with one hundred occasions higher conductivity than that of common nonmetal ore. As a matter of fact, it is thermal conductivity may be more than that of steel, iron, lead as well as other metal materials. But around the other hand, its thermal conductivity decreases with the improve of temperature. Even in high temperature, graphite can be as insulator. Graphite can conduct electricity because every carbon atom in graphite types three covalent bonds with other carbon atoms. What is more, each carbon atom still retains 1 free electrons to charge.

Thirdly, grahite is with great lubrication. To be particular, its lubrication overall performance depends on the size of graphite flake. In other words, the larger the flake or Graphite Block is, the smaller the friction coefficient will be, and also the better the lubrication overall performance will probably be.

Fourthly, graphite is with good chemical stability. Graphite has great chemical stability at space temperature. As a result, it's with acid, alkali and corrosion resistance to organic solvents.

Now, let us discuss one application of graphite.

Graphite may be utilized as wear resistant lubricating material. Usually speaking, graphite, in the mechanical industry, is frequently used as lubricant. As all of us know, the lubricating oil can not be utilized in the situation of high speed, higher temperature and higher pressure. But in contrast, graphite is wear-resistant material can be used within the temperature of two hundred to two thousand degrees and without lubricating oil.

As for many devices that transport the corrosive medium, graphite is extensively used for making piston cup, sealing ring and bearings. That's simply because once they run, there is no need to add lubricant.