2023-05-17

High pure graphite

High pure graphite generally refers to graphite with carbon content of more than 99.99%. It can be divided into three types: coarse particle structure, fine particles structure, and ultra -fine particle structure in the tissue structure. In the furnace. The basic materials of the integrated circuit are mainly silicon single -crystal chips. The current growth process of silicon single crystal mainly adopts a direct pull (CZ) method. Other methods include the magnetic field direct pull method (MCZ), the area (FZ) method, and the double -yarm pull crystal method Law, the global electronic industry uses straight single -crystal silicon to account for 80% of the total amount of single crystal silicon. The graphite in the direct pull single crystal silicon furnace is consumables. Heating system. In 2005, China needed a straight silicon single -crystal furnace to use about 800 t.Another important purpose of high pure graphite is processed into various types, which are used to produce preciou

2024-04-09

The Artistic charm of graphite: the evolution from traditional craft to modern design

Graphite, this mineral with black as the main color, is not only widely used in industry and science and technology, but also shows a unique charm in the field of art.In traditional crafts, graphite is skillfully used in art forms such as painting and sculpture. The fine texture and easy coloring of graphite allow artists to create works with rich layers and full colors. At the same time, the hardness and wear resistance of graphite also make it an ideal material for engraving, which can be carved into fine patterns and textures.With the continuous development of modern design concepts, the application of graphite in the field of art is also constantly innovative. Designers take advantage of the unique color and texture of graphite and incorporate it into modern homes, decorations and artwork to create a distinctive visual effect. The simplicity and elegance of graphite inject new inspiration and vitality into modern design.In addition, graphite is also combined with many traditional

2023-08-10

Will room temperature superconductivity become the next graphene

On July 22nd, a South Korean research team published a paper on the preprint website arXiv, claiming to have synthesized the world's first room temperature and atmospheric pressure superconductor, named LK-99.Superconductivity refers to superconductivity. Under normal temperature and pressure, almost all conductors have resistance, resulting in thermal energy loss during current conduction. Superconductors are materials that can conduct current with zero loss due to the disappearance of resistance, and have complete diamagnetism (internal magnetic induction strength is zero), with advantages such as stability, low loss, and fast transmission.Previously, superconducting materials needed to enter the superconducting state at lower temperatures. The keyword "room temperature superconductivity" mentioned by the Korean team in this paper refers to the phenomenon of superconductivity achieved under room temperature conditions. According to the standards of condensed matter physics

2023-04-12

Graphite mold accessories are getting higher and higher

Graphite mold accessories may become higher and higher for high precision regulations. Ten years ago, the precision of precision machinery manufacturing was generally 5 microns. Now it has achieved 2 ~ 3 μm, and the precision of 1 micron precision will be released. This specifies ultra -deep processing. Mobei Industry Chain will be replaced with increasingly importing. This is also caused by the increasingly imported alternative and high productivity regulations of Moden. The multi -purpose compound shell of the machinery processing industry will further develop. In addition to the forming parts of the stamping mold, the new multi -purpose composite mold shellfish also shoulders the daily tasks such as stacking, attacking, riveting and card tightness, and the characteristics of stainless steel plates are also higher and higher.Graphite molds are complete and diverse. Because of its excellent comprehensive ability, you can see it everywhere.

2023-04-03

The shortcomings and prevention of graphite mold heat treatment process

Common preparation methods for expandable graphite

1. Chemical intercalation method: the initial raw material for preparation is high carbon flake graphite, and other chemical reagents such as concentrated sulfuric acid (more than 98%), hydrogen peroxide (more than 28%), Potassium permanganate, etc. use industrial grade reagents. The general steps for preparation are as follows: under appropriate temperature, hydrogen peroxide solution with different ratios, natural flake graphite and concentrated sulfuric acid are added in different procedures, and reacted for a certain time under constant agitation, and then washed with water to neutral, Centrifuge separation, dehydrate and vacuum dry at 60 ℃.2. Electrochemical method: Treating graphite powder in a strong acid electrolyte to produce expandable graphite, hydrolyzing, cleaning, and drying. As a strong acid, sulfuric acid or nitric acid is mainly used. This method produces expandable graphite with low sulfur content.3. Ultrasonic oxidation method: In the process of preparing expandable

2023-03-22

Graphite mold for antioxidant treatment

1. Heating and conductive: The heterogeneity of graphite is 300 times that of the normal non -non -non -metal mine. Conductivity surpasses non -metal materials such as steel, iron, lead. The conductivity coefficient increased with a decrease in measure, and even at a high degree, graphite became armatologist.2. Chemical stability: Graphite is excellent chemical stability at normal temperature, and the erosion of acid, alkali resistance and inorganic solvents.3. Smooth: The smooth function of graphite originated from the size of the graphite scales. The larger the scales, the smaller the conflict coefficient, and the better the smooth function.4. Plasticity: The graphite is tough and can be crushed into a thin crack. 5. Taxation shock: Graphite can be banned violently at the time of normal temperature and can be banned violently without destruction. When the measurement gradually changes, the volume of the graphite is not large and no cracks will occur.6. Low temperature resistance: T

2023-07-12

Precautions for using scales graphite?

Scales graphite is a product that is widely used in refractory materials and coatings in the metallurgical industry. Such as magnesium carbon bricks,。, etc. Now used as anticorrosive materials. Scales graphite is a rust -proof primer made of charcoal black, talc powder and oil, which has good chemical resistance and solvents. If you add chemical pigments such as zinc yellow to the formula, the rust -proof effect is better. During use, thermal shock resistance is strong and has good corrosion resistance. It is the main carbon raw material used in conjunction with refractory materials. It has an important impact on the brushing and high temperature intensity of carbon -binding materials such as magnesium carbon bricks. In the actual production process, carbon -combined refractory materials have strict requirements for the purity, gray, particle size and shape of the scales graphite. The structure and function of its high -temperature firing now depends to a large extent on the moisture

2023-02-22

What are the effects of graphite products?

What are the effects of graphite products? The scope of graphite applicable is to produce artworks that can manufacture fire insulation materials and high -temperature raw materials. In recent years, fire prevention insulation and insulation materials have not been widely used in industrialized production. So what are the efficacy of graphite products? Beijing graphite pot manufacturers summarize the scope and efficacy of graphite products.Industries such as national defense and safety have been widely used, and graphite products have long been widely used in metallurgical industry, chemical enterprises, petrochemical equipment machinery equipment, high -energy physics, aerospace, electronic components, etc. High -purity graphite can be used to manufacture insulation bricks, tongs, constantly built -in powder, molding cores, mold casting, detergent and high temperature resistance, which is closely linked to the steelmaking industry.

2023-04-11

Key elements that endanger the sales of graphite anode board

The key element of the sales of graphite anode plates Graphite anode board itself is a kind of conductive material. As a conductive, the name is the anode oxidation. Graphite anode plate is a type of electrolytic material. Compared with other anode oxide materials, there is no doubt its advantages. Simply speaking, the application field is wide, organic chemistry is stable, heat -resistant and heat transfer performance is better!Graphite anode boards occupy a large part of the annual sales of my company, which shows that the corporate graphite anode board products have a certain degree of recognition in the sales market. In addition, the sales of graphite anode oxide products have gradually soared.Each product is an industry that it uses, except for the graphite anode plate! It is necessary to improve the characteristics of the graphite anode plate itself and the scope of use. Graphite anode specifications in the field of electrolytic aluminum industry with large amounts and electropl