2023-04-03

The shortcomings and prevention of graphite mold heat treatment process

What are some related knowledge points about high-purity graphite?

The application fields of high-purity graphite include metallurgy, military, light industry, electrical battery industry, and fertilizer. Can it be called high-purity graphite? In order to make more people familiar with it, here are some related knowledge points about high-purity graphite for everyone? I hope you can bring some better help when choosing in the future.High purity graphite is widely used in fields such as metallurgy, machinery, environmental protection, chemical industry, electronics, medicine, military industry, and aerospace. It has high purity and high strength graphite properties. In fact, the existence of graphite flakes now makes graphite have excellent lubricity. Generally speaking, the larger the ordinary graphite flakes, the better their lubricity. When we use it, we need everyone to know that the graphite industry technology is still at a relatively low level in the world, and the products are mainly raw materials and initial processing products. Therefore, th

2023-03-14

Do you know what is the difference between graphite powder and coal powder?

The chemical elements of the two are the same, but the structure is completely different. The coal is a molecular crystal, and the graphite is a atomic crystal. Usually we usually say that C powder is molecular crystals.Graphite: Natural crystal graphite, shaped like fish phosphorus, is a hexagonal crystal system, with layer -like structure, high temperature resistance, conductivity, heat conduction, lubrication, plasticity, acid and alkaline resistance. The scale graphite is divided into four categories according to the fixed carbon content: high pure graphite, high carbon graphite, medium carbon graphite, low -carbon graphite.Graphite powder is soft, gray -black; raw materials have heat -resistant conductivity, which can be used as refractory insulation materials, conductive raw materials and wear -resistant moisturizing raw materials. Graphite's unique process is processed into milk products. It is smooth and exquisite in viewing. It must use containers such as barrels and other co

2023-04-07

The special function of the wiper with graphite powder

Wiper dedicated graphite powder is specially used to produce high -quality car wiper. The wiper is composed of wiper and wiper motors. The components of high -quality wiper and motor should be added with graphite powder. The wiper with graphite powder has excellent performance such as high temperature resistance, lubrication, and corrosion resistance.The following is a special function of the wiper with graphite powder:The car wiper is installed on the front window of the car, often exposed to high temperature and low temperature, and exposed to wind and sunlight. When the wiper works, it is basically in rainy days. When the wiper works, it should rub the glass of the car's front window, take the rainwater, etc., and clean the window. The wiper will be damaged if used for a long time. When producing a good quality scraper, graphite powder is usually added. The parts in the wiper motor are also made of graphite powder. Graphite used for wiper mainly plays a role in lubricating and redu

2023-07-10

The characteristics of exploring expansion graphite

1. Excellent electrical performanceExpansion graphite has excellent electrical performance, which can resist the function of discharge, flame retardant, waterproof, corrosion resistance, etc., and has excellent insulation performance, making the power system operate more safe and reliable.2. Fire performanceThe expansion graphite has good flame retardability, can effectively prevent the cable and contactor from igniting, prevent the heat of the cable, and make the power system operate more safe and reliable.3. Corrosion resistanceExpansion graphite has a good corrosion resistance, can effectively resist the erosion of various corrosive agents, protect the power equipment from environmental infringement, and make the power system operation more safe and reliable.4. Seismic performanceExpanding graphite has good seismic resistance, can effectively reduce the damage to seismic resistance and ensure the safe operation of power equipment.Expansion graphite is a new multifunctional insulati

2024-03-05

A new chapter for graphite: From traditional materials to a key role in future technologies

Graphite, a seemingly ordinary mineral, has played an important role in human history. From ancient writing materials to modern electrodes, lubricants and new energy materials, the diversity and unique properties of graphite make it constantly adapt to the pace of scientific and technological development.With the progress of science and technology, the application field of graphite is also expanding. In the

2023-09-08

Excellent Electrical Conductivity of Carbon Graphite Materials and Their Applications

Graphite can conduct electricity because carbon atoms have two 2P electrons with the same spin direction, which are in the valence band (also known as the π band) when in the ground state. When excited, it transitions to the empty conduction band (π * band) above, leaving an equal number of holes in the valence band. Electrons carry negative charges while holes carry positive charges. When subjected to an electric field, electrons and holes move in opposite directions, thus contributing to electrical conduction. Due to the close arrangement of carbon atoms in graphite crystals and the deep degree of electron co-occurrence on the 2P band of each carbon atom, the valence band is wider and can slightly overlap with the upper conduction band. The gap width between them can be reduced to 0.01eV. Therefore, as long as the electrons in the valence band are slightly excited, they can transition to the conduction band, leading to an increase in conductivity. Therefore, the resistance of carbon

2023-05-17

Graphite products corrosion -resistant materials

Graphite has good chemical stability. After special processing graphite, it has the characteristics of corrosion resistance, good thermal conductivity, and low penetration rate. , Pump and other equipment. These devices are used in industrial departments such as petrochemical, wet metallurgy, acid -base production, synthetic fiber, and papermaking, which can save a lot of metal materials. 0 for casting, sandwiches, molding, and high temperature metallurgical materials, due to the small expansion coefficient of graphite, and can resist the changes in cold, cold and hot, can be used as the cast mold of glassware. After using graphite The rate is high, and it can be used without processing or processing, so a large amount of metal is saved. The production of hard alloy and other powder metallurgical processes is usually made of graphite materials to be used to durable souls. The crystal growth of single crystal silicon, regional refining containers, brackets, fixtures, inductive heater,

2023-10-19

What is the difference in the price of spherical graphite between graphite and diamond

What is the difference between graphite and diamond in the price of spherical graphite? Diamond, also known as diamond, feels like a sparkling scene, and its high price can only be deterred by most people. It is still a highly desirable diamond. Is there anything in diamonds? Its chemical composition is carbon C, and natural diamond is called pre polished post polished diamond "diamond". Natural diamonds are very small, with only two diamonds weighing more than 1000 carats in the world, and only a few diamonds weighing 400 carats. People hope to replace them with "artificial" diamonds, which is naturally associated with the "twin brothers" of diamonds - graphite.The chemical composition analysis of diamond and graphite is both carbon (C), known as "allotrope". This way of addressing is known to us because they have a certain amount of the same "quality", but their "shape" or "properties" are different and vastly dif

2023-08-08

Graphite lithium battery negative electrode material

From the lead core of a pencil to the nozzle of a solid fuel rocket; Although the dark and unremarkable mass, this material composed solely of carbon atoms has quietly entered various fields of industrial production and become an indispensable part of people's lives, which is graphite. If you learned that it is still one of the core raw materials for lithium batteries and is at the forefront of the new energy electric vehicle industry today, would you feel that the investment prospects of a graphite processing enterprise are different?Graphite has good electrical conductivity and is often used to make negative electrodes for lithium batteries. Whether it is flake graphite concentrate that can be used as a solid lubricant, or spherical graphite that can more effectively encapsulate particles due to its rounded shape, it is one of the core raw materials for lithium-ion batteries. New energy vehicles are equipped with lithium batteries, so their application prospects are quite broad in d