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Preparation method and introduction of nano silicon carbide powder infrared radiation coating 1.1 Ingredients Powder radiant mixture: 40 to 80 parts by weight of nano SiC (SiC) powder raw material, and zirconia (ZrO2) powder raw material 5 to 30 based on the weight fraction of (D50 is 40 nm, β phase) nano SiC powder raw material. 5 parts by weight or less of chromium oxide (Cr2O3) powder raw mater...
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Nano-zero-valent iron (nZVI) nanopowder is an iron particle with a particle size between 1 and 100 nm. Its specific surface area and reactivity are much larger than ordinary iron filings and iron powder. It can be directly injected into the heavily polluted area of the water environment to form an efficient in-situ reaction zone, which can control water pollution flexibly, efficiently and at low c...
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Boron carbide chemical formula B4C. Glossy black crystals with a relative density of 2.52, a melting point of 2350 ° C, and a boiling point above 3500 ° C. Chemically stable, insoluble in water and various acids, soluble in molten alkali. Harder than diamond but higher than silicon carbide, Mohs hardness is 9.3. High thermal neutron capture ability, wear resistance, and semiconductor conductivity....
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product description: The silver nanowires are dark gray or light gray and can be evenly dispersed in different solvents as a colloidal suspension. The diameter ranges from a dozen nanometers to hundreds of nanometers, and the length can reach tens of micrometers, all of which can be adjusted. This product can be further formulated into a transparent conductive coating liquid (or transparent conduc...
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Although carbon nanotubes have unique mechanical, electrical, and thermal properties, due to the strong van der Waals force and π-π interaction between carbon nanotubes, they are also easily agglomerated, and carbon nanotubes are modified or function Transformation is the main means to solve these problems. According to the existing research results, the functional modification of carbon nanotubes...
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The granular shape of titanium powder includes spherical, polygonal, sponge, and flake shapes. The granular shape is related to the method of preparing titanium powder. The requirements for titanium powder generally include three aspects, namely purity, particle size and granular shape. Titanium powder is divided into 4 grades. The size of 1000-50um is coarse powder, 50-10um is fine powder, 10-0.u...
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Particle size D 0.1 ～ 2.5μm, length 10-50um, purity 99+, gray-green. Silicon carbide whisker is a kind of high-strength whisker-like (one-dimensional) single crystal with many excellent mechanical properties such as high strength and high modulus. Mainly used in ceramics, high-temperature components in the aerospace field, main strong bearing blocks, large mud pumps, etc. Physical characteristics:...
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Nano silica dispersion, silicon oxide dispersion is translucent liquid, mainly used in coatings, refractory materials, textile industry, etc., with water resistance, fire resistance, scrub resistance, stain resistance. After the nano-silica is dispersed into a liquid, the appearance varies from white milky to colorless and transparent according to different dispersion systems. After the nano-silic...
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Nano titanium dioxide transparent dispersion adopts international advanced dispersion technology to disperse nano-titanium dioxide powder (5-30nm) in aqueous phase medium to form highly dispersed, uniform and stable nano-titanium dioxide aqueous transparent dispersion. In addition to the characteristics of nanometer titanium dioxide transparent dispersions, nanometer titanium dioxide transparent d...
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Nano alumina water dispersion is our company adopts international advanced dispersion technology to disperse nano-alumina powder (20-30nm) in water phase medium to form highly dispersed, homogenized and stabilized nano-alumina water dispersion. liquid. In addition to the characteristics of aluminum oxide water dispersion, nano alumina water dispersion has the characteristics of higher activity and...
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Boron carbide, also known as black diamond, has a molecular formula of B₄C, usually grayish black powder. It is one of the three hardest materials known (the other two are diamond, cubic phase boron nitride), used in tanker armor, body armor, and many industrial applications. Its Mohs hardness is 9.3. Hard black shiny crystals. Harder than industrial diamond, but higher than silicon carbide. Compa...
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Tungsten carbide powder (WC) is the main raw material for the production of cemented carbide, chemical formula WC. The full name is Wolfram Carbide. Tungsten carbide powder is a black hexagonal crystal with metallic luster, hardness similar to diamond, and a good conductor of electricity and heat. The melting point is 2870 ° C, the boiling point is 6000 ° C, and the relative density is 15.63 (18 °...
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