Graphite is a non-metallic mineral, but it has the conductivity and thermal conductivity of metal materials. It also has certain plasticity, special thermal properties, chemical stability, lubrication and can be applied to solid surfaces and other good process properties. Therefore, graphite has been widely used in metallurgy, machinery, and chemical industries. Â Â Â Â For example, graphite is used as a conductive material and as a wear-resistant lubricating material, and graphite has good chemical stability. Specially processed graphite can be widely used in petrochemical, hydrometallurgical, acid and alkali production, synthetic fiber, paper and other industrial sectors, which can save a lot of metal materials.
The graphite industry pays attention to the development of new products, enhances the technical level of products and international competitiveness, and truly shifts energy from mining without cost, expansion without benefit, regardless of the consequences of competition, to rational mining, scientific processing, orderly competition, improvement of resource utilization level and production. Processing efficiency, promote scientific and technological progress, improve the quality of economic operations, and promote the healthy development of China's graphite industry.
With the continuous development of science and technology, many new uses have been developed for graphite. For example, electrode materials applied to batteries. Carbon - graphite material features: chemical corrosion resistance, oil-free lubrication, temperature resistance, thermal stability, and impact resistance. Widely used in : various kinds of mechanical equipment for modern work, as a sealing ring in centrifugal pumps, mixers, steam turbines, reactors; piston rings for oxygen generators, compressors, blowers; rotary vanes for rotary engines, vacuum pumps, gasoline pumps Wait. Carbon - graphite materials can be processed into a variety of sizes and shapes.
Relationship between graphite material and particle size
As a negative electrode material for lithium ion batteries, graphite materials have good electrical conductivity, excellent charge and discharge voltage platform, high specific capacity and low price, so they have been the research hotspot of anode materials. The pulverization is a pulverization process in which the original material constituting the graphite product is subjected to a predetermined requirement, which determines the particle size of the final graphite material, and the particle size of the graphite material is critical to the smoothness of the process, and the granule size (particle size) is more Small, the finer the finish of our machinable parts, the world's highest level of graphite material granularity is less than 3um .
However, the requirements for the graphite plate index are: good density, small particle size, corrosion resistance, etc., wherein the particle requirement is actually a big misunderstanding. After the particle size is small, the density may become more porcelain, but the relative flexural strength will be greatly reduced. For example, a large-sized graphite electrode generally does not use small particles, and cracks may occur inside the electrode during the first production. The second will cause breakage under high temperature use, which will affect the service life of graphite. The lubricating property of the large particle graphite plate is also better than that of the small particle. Therefore, the graphite plate and the graphite anode plate should be made of a large particle graphite plate, so that the flexural strength and the lubrication degree have certain advantages.
Today, the particle size of graphite materials tends to be in a fine direction. For example, fluorinated graphite acts as a passivation in the mixed explosive, and its particle size and distribution uniformity in the mixed explosive affect the insensitive effect of the explosive. At present, due to the improvement of the process for preparing graphite fluoride, the particle size is gradually reduced. Therefore, the problem of agglomeration and redispersion of particles is becoming more and more serious. Therefore, how to accurately analyze the particle size distribution of fluorinated graphite powder is a concern of manufacturers and users.
Applications
Qingdao Xiyou Fine Graphite Chemical Co., Ltd. is one of the largest large-scale graphite processing enterprises in China. The ultra-low molybdenum high-purity graphite powder in the product series contains more than 99.95% carbon . Due to high purity and high crystallinity, it fully experiences its chemical stability during the production and use of mercury-free batteries. Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â The electric paint is prepared by using natural high-purity scale micropowder graphite, adhesive and organic solvent, and has the characteristics of good film forming property, electrical conductivity and lubricity. The graphite particle size was tested by laser particle size analyzer ( WINNER2000ZD ) developed and produced by Jinan Micro-Nano Particles Instrument Co. , Ltd. Quality control and performance of the product are guaranteed.
Product Dimesnion: 5.7" x 3.7" /14.5cmx9.5cm
Mask Fabric Material: 3-ply material,100% polypropelyne
Ear Loop Material: 70% polyamide, 30% elastane
when to use: suitable for kids to use daily in a variety of settings such as home, outdoors and school
packaging: 10 pcs of mask in one sealed printed plastic bag to ensure hygiene or 50ps per box
certification/standard: GB/T 38880-2020(China children disposable mask standard) and FDA registered
about the manufacturer: Kapanou is china-based healthcare company
Civil Disposable Kids Face Mask, Disposable Kids Mask FDA GB/T 38880-2020, 3-ply Disposable Kids Mask
Ningbo Debeida Science&Technology Co.,ltd. , https://www.dbdmask.com