Time：2023.07.17Browse：1
High -pure scales graphite has good high temperature resistance, conductivity, high -pure graphite thermal conductivity, lubrication and chemical stability. Graphite manufacturers are widely used in metallurgical, machinery, environmental protection, chemical, fire, electronics, medicine, military, military, aerospace and other fields. Its status in the national economy is becoming more and more important, and it is an indispensable and important non -metal raw material for modern industry and high -tech development. Trace impurities have a great impact on the performance of graphite products. The higher the carbon content of high pure scales, the better its performance as a functional material.
In order to analyze the trace impurities in high pure scales, the sample is usually grayed or wet to digest to remove carbon, dissolved ash with acid, and then determined the impurities in the solution. The grayization method does not need to dissolve gray with ultra -pure acid, avoiding the risk of introducing elements to be introduced, so it is widely used. The detection of high -pure scales graphite gray content is very difficult, because high temperature combustion is required to enrich the gray score, and the ash branch will stick to the sample boat at high temperature, which is difficult to separate, resulting in the ingredients and content of impurities that cannot be accurately determined.
The existing method is to use the characteristics of platinum non -response to acid. Burn the high pure scales with platinum crickets to enrich graphite, and then directly dissolve the sample with acid heating. The impurities in the scale graphite can be calculated by measuring the composition in the solution. However, this method has a certain limitations, because high -purity scales graphite contains a large amount of carbon, which will make platinum crickets crispy at high temperatures, which can easily lead to the break of platinum. Because traditional methods cannot detect the impurities in high pure scales, it is necessary to improve the detection method.
Scales are widely used in high -grade refractory materials and coatings in the metallurgical industry. Such as magnesium carbon bricks,。, etc. The stabilizer of industrial explosives, desulfurization promoters of the smelting industry, pencil cores of light industry, carbon brushes of the electrical industry, electrodes of the battery industry, catalysts of the fertilizer industry, etc. After deep processing of graphite, graphite can be produced, which can be used as lubricants, molding agents, brushes, and conductive coatings. It can also produce expansion graphite for raw materials for flexible graphite products, such as flexible graphite seals, flexible graphite composite products, etc.
Skin graphite, as a functional filler for coatings, is mainly used for anticorrosive coatings, fireproof coatings and conductive coatings. As an anticorrosive material, it is a rust -proof primer made of charcoal black, talc powder and oil. It has good chemical resistance and solvent resistance. If you add chemical pigments such as zinc yellow to the formula, the rust -proof effect will be better.
2023-03-27Today, the editor of Qingdao Risheng Graphite will tell you what the ultra -fine graphite powder has in industrial production, I hope to help everyone.
Graphene already exists in nature, but it is difficult to peel off a single layer structure. Graphene is stacked layer by layer to form graphite, with a thickness of 1 millimeter containing approximately 3 million layers of graphene. A pencil lightly scratches on paper, leaving traces that may be several or even just one layer of graphene.
Graphite dust is a powder made of graphite with metallic luster.Graphite is a four -layer hexagonal laminar -shaped crystal carbon structure, with silver gray and metallic luster. Its main ingredients are fixed carbon, and can also contain a small amount of silica with a small binding or free of free, as well as elements such as lead, calcium, magnesium, iron, and other elements. Can be divided into natural graphite and artificial graphite. In the natural graphite, the naked eye can see the crystalline scale -like graphite, and the crystals that are not visible to the crystal of the dense lump are called non -styling graphite. Artificial graphite is made of coal, coke, asphalt, etc., and is made of a 3000 ° C high -temperature electric furnace. It is almost pure crystalline carbon, which is almost free of free silica compared with natural leggings.Graphite is a widely used non -metallic mineral. It has high temperature resistance, heat conduction, conductivity, lubrication, plastic an2023-04-20Electronic effect of graphene
2023-06-07Graphite dust
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