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.
Request a quoteGraphite powder has a metallic luster, soft texture, stable chemical properties, and is not affected by strong acids and bases. Less harmful impurities, iron, sulfur, phosphorus, nitrogen, molybdenum, low hydrogen content, with high temperature resistance, heat transfer, electrical conductivity, lubrication, and plasticity. The use of graphite powder in industrial production is gradually common, is a non-metallic material with excellent chemical and physical properties, widely used in industrial production, high melting point, can withstand temperatures of more than 3000 °C. Graphite powder has a good lubricating effect, improves the mold lifting performance of the molding sand, tightens the flowability, and reduces the resistance.
The production process of graphite powder
We can adopt different methods to process graphite. Graphite powder specifically refers to the proportion of graphite powder carbon content, high-purity graphite powder purity is generally above 99.9%, the high-purity graphite powder refining technology already known at this stage has high temperature graphitization method, sodium peroxide melting method, high concentration strong acid method, triple acid refining method and other methods, after research and discovery, the triple acid refining method is relatively suitable for mass production, first of all, the carbon content of 98% ~ 99% of the flake graphite powder as a material, the use of strong sulfuric acid, hydrochloric acid and hydrogen fluoride scientific and reasonable preparation and flake graphite powder mixing.
To add these three types of acid in accordance with the corresponding order, sufficient stirring and mixing and homogeneity, conductive graphite material price, so that graphite powder and these 3 kinds of acid in 24 hours to produce chemical reaction, and then discharge waste acid, with industrial production clean water to clean graphite powder to neutralization, and then clean with pure water 2 to 5 times after dehydration with centrifugal dehydration machine, the graphite powder after drying treatment, sampling inspection, packaging after the completion of graphite powder products.
The use of graphite powder
Graphite powder can be applied in many fields. It can be used to make cast iron, because graphite powder has the characteristics of ferroalloy with a small coefficient of thermal expansion, and resistance to changes in acute cold and heat, can be used as a casting mold used in casting to make black metal casting size, the surface smooth yield is high, can be used without processing or a little processing, thus saving a lot of metal; Graphite powder has good coating properties as follows: We apply graphite powder to the surface of solids, which can form a smooth film with strong adhesion. The graphite powder often used in casting release agents is: cryptocrystalline graphite powder (earthy graphite powder, the other name is black lead powder, microcrystalline graphite powder)
The high-quality graphite powder in the Franli plant has a high carbon content, superior performance, good quality, soft texture, gray-black, greasy feeling, and can contaminate the paper. The smaller the particle size, the higher the finish of the processed product. But it is not that the smaller the particle size, the better the performance of graphite lubricating powder, and if necessary, we can contact us to provide high-quality and cost-effective graphite powder.
