Graphite Powder
Size
1≥60%, etc
Package
25kg small bags into ton bags or ton bags
Features
High temperature resistance, conductivity and thermal conductivity, etc.
Application
As refractory material, conductive material and wear-resistant lubricating material, etc.
Graphite powder is a widely used industrial material, which is obtained from high-purity graphite after crushing, grinding, and screening. The classification of graphite powder is mainly based on the particle size, ranging from 50 mesh to 30000 mesh. The larger the mesh, the finer the particle size, and the higher the price.
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Graphite powder is a kind of mineral powder, mainly composed of carbon, soft, black and gray; It is greasy and can pollute the paper. The hardness is 1 ~ 2, and the hardness can increase to 3 ~ 5 with the increase of impurities in the vertical direction. The specific gravity is 1.9 ~ 2.3. Under the condition of isolating oxygen, its melting point is above 3000 ℃, which is one of the most temperature-resistant minerals. At room temperature, the chemical properties of graphite powder are relatively stable and insoluble in water, dilute acid, dilute alkali, and organic solvents; The material has high-temperature resistance and conductivity and can be used as a refractory, conductive material, and wear-resistant lubricating material.
Graphite powder is a substance with sensitive chemical reactions. In different environments, its resistivity will change, that is, its resistance value will change, but one thing will not change. Graphite powder is one of the good non-metallic conductive substances. As long as the graphite powder is kept uninterrupted in the insulated object, it will be energized like a thin wire, but what is the resistance value, This value is not an accurate number, because the thickness of graphite powder is different, and the resistance value of graphite powder will be different in different materials and environments. Graphite has the following special properties due to its special structure:1. High-temperature resistant type 2. High conductivity 3. Good lubricity 4. chemical stability 5. Good plasticity and thermal shock resistance
However, the manufacture of graphite powder will cause a lot of dust, and how to dust is a good knowledge
In addition to collecting graphite dust generated during graphite processing to maintain a clean workshop environment and protect employees, another key dust collection requirement is to prevent graphite particles from entering the electrical enclosure, control panel, and switch box.
Artificial graphite is conductive in nature. If foreign conductive materials are allowed to accumulate in areas prone to short circuits when in contact with them, many problems will arise.
In the process of electrode manufacturing, the main method to control graphite dust is to use high wind speed on the dust collector. The high-speed machining center designed for processing graphite is equipped with a dust removal system, which can remove dust through a powerful vacuum. However, traditional machining centers, such as milling machines, band saws, or grinders, must be equipped with secondary collection systems.
Portable equipment is an ideal workshop where only a limited amount of graphite is processed because it can be moved from one machine to another. Contrary to the general view, the existing workshop vacuum system is not suitable for graphite dust because the filtration system is usually not suitable for collecting graphite powder particles. To improve efficiency, portable vacuum systems must be equipped with HEPA filters that meet government efficiency standards. In order to meet government standards, high-efficiency filters must be able to remove 99.97% of 0.3 μ Particles above M.
