Selenium powder is a black-gray non-metallic powder that offers excellent chemical stability and conductivity. Its solubility properties make it essential in various industrial processes, especially in the production of selenium dioxide, catalysts, and other chemical compounds. Selenium powder is widely used in industries such as chemicals, optoelectronics, metallurgy, and pharmaceuticals. High-purity selenium powder is crucial for manufacturing high-end electronic and optical materials.

Key Features

• High Purity: Available in 99.999% and 99.9% purity, ideal for high-precision applications.
• Good Chemical Stability: Provides strong chemical stability, making it suitable for harsh chemical reactions.
• Solubility: Soluble in concentrated sulfuric acid, chloroform, and slightly soluble in carbon disulfide; insoluble in water and ethanol.
• Uniform Distribution: Evenly distributed particles with balanced moisture, ensuring stable and high-quality products.

Applications

• Catalyst Production: Used in the production of selenium dioxide, which serves as a catalyst in electrolytic manganese refining.
• Electronics Industry: Essential for the production of rectifiers and other electronic components.
• Optical and Photography: Used as a photographic exposure agent in photography and toner cartridges for copying.
• Chemical Industry: Used in the preparation of petroleum chemical catalysts.
• Pigment Production: Widely used in the production of pigments for plastics, paints, enamel, and glass.
• Healthcare: Utilized in the production of certain pharmaceuticals and health products.
• Other Applications: Employed in the production of alloys, selenium photoconductive plates, and other high-precision materials.

Graphite carbon powder is a high-purity graphite powder with excellent chemical stability and physical properties. The powder features uniform particle size, complete flake crystallization, thin and tough flakes. It exhibits outstanding high-temperature resistance, self-lubricating properties, electrical conductivity, thermal shock resistance, and corrosion resistance. This makes it widely applicable in industries such as metallurgy, electronics, machinery, and chemicals.

Key Features

• High Temperature Resistance: Capable of withstanding extremely high temperatures, suitable for high-temperature environments.
• Self-lubricating: Provides excellent lubrication properties without the need for oil.
• Electrical Conductivity: Excellent electrical conductivity, making it ideal for electrical applications.
• Corrosion Resistance: Strong chemical stability, resistant to acids, alkalis, and other corrosive substances.
• Thermal Shock Resistance: Can withstand rapid temperature changes without damage.

Applications

• Metallurgy: Used in graphite crucibles, steel ingot protectants, and linings for metallurgical furnaces.
• Conductive Materials: Applied in electrodes, brushes, carbon rods, and cable materials.
• Lubricant Materials: Used as a lubricant in the mechanical industry, particularly in equipment that transports corrosive media.
• Chemical Industry: Suitable for heat exchangers, reaction vessels, condensers, and coolers.
• Casting and Metallurgy: Used in high-temperature metallurgy, casting molds, and press molds.
• Nuclear and Defense Industry: Used as a neutron moderator in atomic reactors and in specialized materials for defense equipment.
• Other Applications: Includes uses in pencil leads, pigments, polishing agents, and other specialized industrial materials.

Boron powder is a high-purity black or dark brown powder with a high melting and boiling point, making it suitable for various high-temperature and high-energy applications. It exhibits excellent chemical reactivity and can react with multiple elements, particularly under high-temperature conditions. Boron powder is widely used in aerospace, metallurgy, and electronics, especially in the production of solid propellants and specialty alloys.

Key Features

• High Purity (99.9%): Ensures excellent reactivity and chemical stability.
• Fine Particles (1 μm): Ideal for applications requiring high precision.
• High Temperature and Chemical Stability: Can withstand harsh environments.
• High Energy Density: Suitable for propellants and high-energy fuels.

Applications

Boron powder is used in a variety of industries:

• Metallurgy: For refining specialty alloy steels and gas purging of molten steel.
• Electronics: In the manufacture of ignition electrodes for ignition tubes.
• Nuclear Industry: Used in control rods for nuclear reactors.
• Chemical Catalysis: As a catalyst in organic chemical reactions.
• Aerospace: In solid rocket engines and smokeless propellants.
• Pharmaceuticals: Used in the manufacturing process of certain drugs.
• Ceramics: In the production of high-performance ceramic materials.
• High-Energy Fuels: Used in the manufacturing of rocket propellants and other high-energy fuels.

Sulphur powder is a high-purity elemental sulphur with a light yellow, brittle crystalline or powdery appearance and a distinctive odor. It is soluble in carbon disulfide but insoluble in water. Sulphur exists in several allotropes and is widely used in various industries, including chemicals and agriculture. Its chemical activity allows it to react with a variety of elements such as oxygen, hydrogen, halogens, and metals, making it an important material in industrial and agricultural applications.

Key Features

• High Purity: Sulphur powder offers excellent purity, making it suitable for specialized uses.
• Chemical Reactivity: Reacts with a variety of chemicals, exhibiting strong oxidizing and reducing properties.
• Safety: Meets industrial usage requirements with broad application potential.
• Easy Handling: Can be processed and customized to meet customer needs, and is easy to store and transport.

Applications

• Agricultural Applications: Used to control pests and diseases, commonly made into sulfur-based suspension concentrates for crop protection, especially effective against powdery mildew, leaf hoppers, etc.
• Pharmaceutical Applications: Used in the treatment of skin diseases, such as eczema and scabies, with insecticidal and anti-itching properties.
• Chemical Industry: Used as a raw material in the production of sulfuric acid, vulcanized rubber, black gunpowder, etc.
• Industrial Uses: Acts as a vulcanizing agent in the production of radial tires, improving tire durability.
• Disinfection and Sterilization: Used in disinfectants, particularly for skin contact disinfectants.
• Laxative Effect: Used to treat constipation by stimulating gastrointestinal motility and promoting bowel movements.

Silicon powder, also known as micro-silica powder or silica fume, is an ultra-fine powder composed primarily of silicon dioxide (SiO₂). It is produced during the high-temperature smelting of industrial silicon and silicon iron in electric furnaces, with the smoke dust being collected and processed by specialized equipment. The powder’s particle size is very small, averaging in the nanometer range, giving it exceptional physical and chemical properties, making it widely applicable in various industries.

Key Features

• Nano-Scale Particles: The average particle size is in the nanometer range, ensuring a fine and uniform texture.
• High Purity: SiO₂ content is about 90%, ensuring excellent purity.
• Outstanding Chemical Stability: Excellent resistance to chemical corrosion and high-temperature performance.

Applications

• Concrete and Construction Materials: Enhances the strength and durability of concrete, especially in high-performance concrete.
• Refractory Materials: Widely used in manufacturing high-temperature resistant materials such as refractory bricks in the metallurgical industry.
• Electronics and Semiconductors: Used as a key material in the production of electronic components and optoelectronic devices.
• Glass and Ceramics: Strengthens glass and improves its thermal resistance.
• Coatings and Paints: Enhances wear resistance and corrosion resistance in coatings.

Tellurium powder is a gray, highly toxic powder with the chemical formula Te, characterized by orthorhombic silver-white crystals. It has a melting point of 452°C and a boiling point of 1390°C. It is soluble in sulfuric acid, nitric acid, and aqua regia. Tellurium powder is widely used in semiconductor materials, alloy manufacturing, chemical industries, and in the production of glass, ceramics, and rubber. It is a crucial raw material for the preparation of telluride compounds and catalysts, holding significant industrial value.

Key Features

• High Purity: Available in 99.99% and 99.999% purity, ensuring suitability for precise applications.
• Versatility: Used across a range of industries, with broad applications in electronics and materials science.
• Chemical Stability: Stable in high-temperature and strongly acidic environments.

Applications

• Semiconductor Industry: Used in the preparation of semiconductor materials and devices.
• Alloy Manufacturing: Added to alloys to improve their properties.
• Catalysts: Plays an important role in petroleum cracking, chemical reactions, and other catalytic processes.
• Ceramics & Glass Coloring: Used as a coloring agent in ceramics and glass production.
• Rubber Vulcanization: Acts as a vulcanizing agent in rubber production.
• Chemical Industry: Used in the preparation of telluride compounds and other chemical materials.