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In our daily life, we often use various forms of magnets, and many people with magnetic liquids have definitely not seen them. Magnetic fluid is a kind of magical liquid. In short, it is a fluid-like substance with magnetism. It is covered with spikes and can change shape with magnetism at will, just like magic. Magnetic fluid is a colloidal liquid composed of magnetic solid particles, carrier liq...
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First. Principle of magnetic fluid sealing Magnetic fluid has both liquid fluidity and solid magnetic properties. The magnetic fluid sealing technology is realized by utilizing the responsiveness of the magnetic liquid to the magnetic field. When the magnetic fluid is injected into the gap of the magnetic circuit composed of high-performance permanent magnets, pole shoes with good permeability, an...
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Boron carbide has a high neutron absorption capacity. The neutron capture cross-section is high and the capture energy spectrum is wide. The thermal cross-section of 10B is as high as 347 × 10-24 cm2, second only to a few elements such as gadolinium, samarium, and cadmium. At the same time, compared with pure elements B and Gd, B4C is low in cost, does not produce radioisotopes, has low secondary ...
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1. Thermally conductive fillers commonly used in insulating polymers 1. Nitride filler and its application The nitride fillers are mainly aluminum nitride (AlN), boron nitride (BN) and silicon nitride (Si3N4), etc. due to their high thermal conductivity, good electrical insulation performance, excellent high temperature resistance and excellent dielectric properties, etc. Characteristics and widel...
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Nano titanium dioxide powder for cosmetics has many excellent properties, such as safe and non-toxic, can shield ultraviolet rays, high decolorization power (or coloring power), strong hiding power or transparency, good hue, wide color spectrum, etc. The favor of the artist has become the most important and the largest amount of inorganic additives in high-end cosmetics. The following will introdu...
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Nano oxides have many unique properties and have been widely used in textile fields such as antibacterial, deodorant, and ultraviolet protection. Similarly, nano-oxides have a positive effect on anti-wrinkle finishing. Nano-titanium dioxide or nano-silica is added to the traditional system to form nano-oxide anti-wrinkle finishing liquid through high-speed shearing, so that the fabric has anti-wri...
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Product performance Fullerene is the third allotrope in which elemental carbon is found. Any substance that consists of carbon as an element and exists in a spherical, elliptical, or tubular structure can be called fullerene. Fullerene refers to a class of substances. The structure of fullerene is similar to that of graphite, but the structure of graphite has only six-membered rings, and there may...
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Nanotechnology has been successfully applied in China's medical field. A group in Nanjing used nano silver technology to develop and produce a medical dressing, a long-acting broad-spectrum antibacterial cotton. The production principle of this antibacterial cotton is to make silver into 20 nanometer ultrafine particles through nanotechnology, and then attach it to cotton fabric. Silver has the ef...
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Nano tungsten oxide is a powder metallurgy raw material for producing cemented carbide and tungsten products. Tungsten carbide, cemented carbide, super-hard molds, tungsten bars, tungsten wires, etc. are all manufactured by powder metallurgy. They can also be used for x-ray screens and fireproof fabrics, as well as ceramic colorants and analytical reagents. In the W-O system, there are WO3, WO2.9,...
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Aluminum nitride powder has high purity, uniform particle size, high surface activity, and the effect of insulation and thermal conductivity is very obvious. The powder can be applied to engineering plastics to improve the performance and mechanical strength of engineering plastics, and has good injection molding performance. Used in composite materials, it has good matching with semiconductor sil...
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Using advanced chemical plating technology, a very thin silver coating is formed on the surface of ultra-fine copper powder, and after a certain forming and processing process, the resulting ultra-fine powder with uniform particle size and excellent oxidation resistance, silver-coated copper It is a highly conductive filler with great development prospects. It can be made into conductive paint, in...
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Nano titanium nitride (TiN) powder, black powder, cubic crystal type. The particle size is 20-40 nm, 100 nm. The purity is 99%+. Nano titanium nitride has high melting point, high hardness, high chemical stability and excellent electrical and thermal conductivity. The main application of nano titanium nitride: 1. Application in PET engineering plastics: A small amount of nano titanium nitride powd...
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