2023-03-14

What is the difference between expansion graphite and expansion graphite?

1. Expanded graphite crystal is a typical laminar -like carbon material. Put other alien particles such as atoms, molecules, ion, and even atoms into the crystal graphite layer in physical or chemical methods to generate a new layered compound , Called inter -laminate compounds, can expand graphite. Can expand graphite and expansion graphite are different. Seal the sealing strip should choose expansion graphite.2. After the fire -resistant glass grouting, it is divided into two cases: glass rupture and glue. The glass rupture is caused by the small and small strength of the glass, or the glass area is too large. Generally, the grouting process can be solved. That shows that the quality of the glass glue you choose, or the glass glue is caused by completely solidifying. Specific questions can leave a message for me to discuss privately.

2023-04-03

The shortcomings and prevention of graphite mold heat treatment process

Many new main uses of graphite have already been developed and designed

Many new main uses of graphite have long been developed and designed with the development trend of scientific and technological progress. Graphite has many new main uses. High -purity graphite products are used for high -purity metallurgical industry, electronics industry, Chinese nuclear industry and mold processing; general graphite products can be used as a wall -building raw material for mining with aluminum electrolytic grooves, non -metallurgical tunnel furnaces, and non -ferrous metal furnaces. Calcium residual raw materials can be used as carbon increases for ironmaking industry. There are many types of carbon quality raw materials used to seepage nitrogen, including artificial synthesis of graphite, petroleum coke, casting focus, and pure natural graphite.Graphite products are at least within 2000 degrees. This is because carbon must be graphite at a high temperature natural environment of 2000-3300 degrees at a high temperature and natural environment of at least 10 days and

2023-10-11

Application and Introduction of Graphite Pillars

The graphite column combines the wear resistance of copper alloy and the self-lubricating performance of solid graphite lubricant, making it unnecessary to refuel and maintain during use. The product is widely used for high load, intermittent or swinging movements, such as production lines for steam locomotives, water turbines, reservoir work/accident doors, plastic machinery, etc. According to the operating conditions used, various types of copper alloys can be provided.The main component of graphite column is graphite, and its performance is different from that of ordinary graphite1、 The production and processing technology characteristics of graphite pillars:1. High temperature resistance: Graphite is currently one of the most high-temperature resistant materials known. Its melting point is 3850 ℃± 50 ℃, and its boiling point reaches 4250 ℃. It is subjected to an ultra-high temperature arc at 7000 ℃ for 10 seconds, with the smallest loss of graphite, which is 0.8% by weight. From t

2023-05-19

Granular graphite

1. Refractory material: use graphite, smelting colors, special steel and other valuable metals such as graphite, smelting colors, special steel, etc. in the metallurgical industry, as a magnesium carbon brick in the steel refining furnace; in addition, it is also used as a steel insulation, protective residue and steel bag covering agent.2. Conductive material: Graphite can be used as electrodes, brushes, electrical rods, carbon pipes, and visual tube coatings on the electrical industry.3. Abrasion -resistant materials and lubricants: It can be used for wear -resistant and lubricating materials in the mechanical industry. For example, graphite can slide at a speed of 100m/s at a temperature range of -200-2000 ° C, without lubricating oil. Graphite lubricants include oil agents, water, powder colloidal graphite, graphite lubricating fat, graphite root roots, etc.4. Sealing materials: Use flexible or expanded graphite as lyric axes, water turbines, gas turbines, and piston ring cushions

2023-05-10

Application of Chinese carbon graphite

With the development of social industry, graphite has been regarded as one of the important industrial minerals at home and abroad. In recent years, with the development of graphite processing technology, graphite parts have played an important role in all walks of life.China-carbon graphite workpiece maintains the original scales graphite original resistance, corrosion resistance and physical properties, high temperature resistance of 3000 degrees, low temperature-204 degrees, pressure resistance is greater than 800kg/cm2, and the pressure resistance is large in 450 degrees air. Lost 1%, rebound rate of 15-50%, strong self-lubrication performance.According to the needs of different industries, the graphite materials are made into different Chinese carbon graphite pieces. In order to improve the performance of graphite, graphite tablets are specially treated. It plays an important role in many fields such as wear -resistant and antioxidant.With the continuous development of science an

2022-11-23

What are the ways to improve the service life of graphite molds?

Graphite molds should be produced and processed by cutting methods to improve the smoothness of the graphite mold surface and reduce the degree of adhesion between the molten metal and high-purity graphite. The composition of the carcass powder is one of the factors that cause the metal plastic film to stick to the high-purity graphite. Because iron is a strong carburizing agent, if the carcass is iron-based, there will be obvious reaction and melting between the carcass and the abrasive tool, causing the carcass melt to stick to the high-purity graphite and destroying the graphite mold. It is suggested that when calcining the iron-based carcass, a strong release agent should be brushed on the surface of the blade and the abrasive tool to reduce the adhesion of the abrasive tool during mold unloading, reduce the degree of damage, and increase the service life of the abrasive tool.2. The fracturing damage of the grinding tool is also related to the resistance of the graphite materia

2023-02-22

Graphite products production and processing in the middle of pressure molding and extrusion molding method

Modeling method is to put a certain total paste in the mold and specifications of the specified mold and specifications, and then press it from the top or below. Sometimes it also increases a certain working pressure on the paste from the left and right positions at the same time, so that the paste is reduced in the mold. The processing of semi -finished products has been checked by model refrigeration. Then accumulate. The molding machine equipment has a column -type pressure machine, which is also a stand -up pressure machine. Modeling method generally only press a piece of goods at a time, and the productivity is relatively low. However, it can be allowed to systematically squeeze and mold.The squeezing molding method is to squeeze the main cylinder of the paste of the paste -loaded manner. The pressure machine should be relatively installed in front of the previous installation and can be effectively disassembled and replaced. The front is equipped with a partition that can be mov

2023-07-18

Battery dedicated graphite application

With the gradual breakthrough of mass production and large -scale issues, the pace of industrialization of graphene is accelerating. Based on my country's existing technological research and development achievements, the first batch of commercial applications may be mobile electronic equipment, aerospace, and new energy battery fields.The bending screen has attracted much attention at the consumer electronics exhibition and has become the development trend of mobile device display in the future. The future market of flexible display is huge, and the future of graphene as a basic material is also full of hope.On the other hand, an important area for commercialization of new energy battery batteries. The college can successfully develop a flexible photovoltaic board with a surface formation of the Chinese graphene nano -layer, which can greatly increase the cost of reducing production of transparent transparent and deformable solar cells. It can be used for small system applications in

2023-11-21

Material characteristics of graphite powder

Graphite powder is a substance that is very sensitive to chemical reactions. In different environments, its resistivity will change, which means its resistance value will change. However, there is one thing that does not change. Graphite powder is one of the good non-metallic conductive substances. As long as the graphite powder is kept uninterrupted in an insulated object, it will also be electrified like a thin wire. However, there is no accurate number for the resistance value, Because the thickness of graphite powder varies, the resistance value of graphite powder will also vary when used in different materials and environments. Due to its special structure, graphite has the following special properties:1) High temperature resistant type: The melting point of graphite is 3850 ± 50 ℃, and the boiling point is 4250 ℃. Even after being ignited by an ultra-high temperature arc, the weight loss and thermal expansion coefficient are very small. The strength of graphite increases with te