Lead, mica, tin, zirconium sands, iron ore, wood timber, coffee beans.
Millscale, iron ore, granite.
Portland Cement, Mineral Powder, Steel Slag, Super Fine Fly Ash And Other New Concrete Admixtures .
Ferro Silicon, Ferro Chrome Lc, Electrolytic Manganese Metal Flake, Titanium Sponge, Etc..
Copper cathode, copper ore, copper concentrate.Mining extraction and export
Introduction and Overview Silica Powder for Industry is a high-performance material widely used across various industrial applications due to its versatility, purity, and excellent particle uniformity. Our silica powder is engineered to meet the rigorous demands of sectors such as electronics, coatings, composites, and precision manufacturing. Application Scenarios Silica Powder for Industry serves multiple applications, including: Precision Manufacturing: Suitable for use in fine polishing and finishing processes, reducing surface defects in high-tech components. Coatings and Paints: Enhances durability and smoothness in high-purity coatings for automotive, electronics, and architectural applications. Composite Materials: Used in advanced composites to improve mechanical strength and chemical resistance in demanding environments.
Introduction Quartz Sand for Semiconductors is a high-purity material critical to the semiconductor manufacturing process. Known for its exceptional purity and particle consistency, our quartz sand is designed to meet the rigorous demands of the electronics industry, ensuring optimal performance in a range of applications, including wafer fabrication and glass production. Product Specifications Our Quartz Sand for Semiconductors features: Purity Level: Minimum 99.9% silicon dioxide (SiOâ??) content, ensuring minimal impurities that could adversely affect semiconductor performance. Particle Size Distribution: Available in a range of sizes from 0.1 mm to 0.5 mm, tailored to fit specific manufacturing needs, including fine and coarse grades for various applications. Roundness and Shape: High sphericity and uniform roundness enhance flow properties and improve packing efficiency during processing. Chemical Stability: Excellent chemical resistance, ensuring durability and consistency during high-temperature processes. Processing Methods: Sourced from high-quality silica deposits and processed using advanced techniques to maintain purity and enhance performance characteristics. Application Scenarios Quartz Sand for Semiconductors is utilized in several key areas: Wafer Fabrication: Used as a substrate for the growth of silicon crystals and for producing high-quality silicon wafers essential in semiconductor devices. Glass Manufacturing: Essential for the production of specialized glass used in photolithography, ensuring optical clarity and durability. Chemical Mechanical Polishing (CMP): Serves as an abrasive in CMP processes to achieve ultra-smooth surfaces on semiconductor wafers, enhancing the efficiency of subsequent manufacturing steps. Product Advantages Consistent Quality: Each batch is rigorously tested to ensure consistent high purity and particle size, critical for maintaining quality in semiconductor applications. Enhanced Performance: Superior particle shape and size enhance packing density and flow characteristics, improving processing efficiency. Custom Solutions: We offer customization options to meet specific particle size and purity requirements based on your unique production needs. Certifications and Quality Assurance Our Quartz Sand for Semiconductors is manufactured to meet strict industry standards, with comprehensive quality control measures in place to ensure that every product batch meets our clients' demanding specifications. FAQs What purity levels do you offer? Our quartz sand has a minimum purity of 99.9% SiO, suitable for semiconductor applications. Can I get custom particle sizes? Yes, we offer a range of particle sizes and can be customized based on your specific needs.
Silica fume, also known as microsilica, is a byproduct of the production of silicon and ferrosilicon alloys. It is an ultrafine powder consisting of spherical particles, typically about 100 times smaller than the average cement particle. This fine powder is rich in silicon dioxide (SiO) and is highly reactive when mixed with cement, making it a valuable additive in construction materials. Features of Silica fume: 1, With good insulation: due to the high purity, low impurity content, stable performance, excellent electrical insulation performance, silica fume makes the cured product has good insulation performance and arc resistance performance. 2. It can reduce the peak exothermic temperature of the curing reaction of epoxy resin, reduce the linear expansion coefficient and shrinkage rate of the cured substance. 3, Corrosion resistance: silicon powder is not easy to react with other substances, and most of the acid, alkali can not react chemically.Its particles evenly covered on the surface of the object, with strong corrosion resistance.
Graphite jewelry molds make original designs of graphite crucibles attached to them for a long time, which keeps high-temperature resistance. Making graphite molds for jewelry is the procedure used to insure that jewelry items can be accurately duplicated at any time future. The mold making process begins with the creation of a metal model. Models can be as simple as a basic ring or complex as jewelry containing multiple interlinking parts used to create elaborate multicolor jewelry. What's the difference between graphite ring molds and metal ring molds? Custom graphite molds for glass, while less costly and more resistant to warping under high temperatures compared to metal counterparts, may impart a slightly rougher finish to the glass ring. This difference in finish arises from the inherent properties of the materials; graphite tends to have a slightly coarser texture than metal. However, graphite molds excel in thermal stability and are often preferred for their durability and longevity in glassmaking processes. Conversely, metal ring molds, such as silver casting molds, offer a smoother finish but come with a higher price tag and susceptibility to deformation under extreme heat. Glass artisans weigh these factors when selecting between graphite and metal ring molds, balancing cost, durability, and desired surface finish in their creative endeavors.
Large graphite crucible(with spout) are mainly used in metallurgy, chemical industry, glass and other fields of various powder sintering and metal smelting, and are often used in papermaking industry for dehydration and various grinding components. It is an ideal ceramic substitute. Advantages of Graphite Rod Electrode î?? Large graphite foundry crucible has strong corrosion resistance against acid and alkaline solution. Semiconductor graphite crucible can be used in high temperature systems, for some strong strain resistance of the product, it also has the chemical stability, so that its thermal conductivity is satisfactory. How to Use graphite crucible for sale î?? 01 Before use, bake slowly in the oven to 500â??; Place in dry place after use to avoid rainwater intrusion. 02 According to the capacity of the crucible, do not squeeze too tightly, so as not to crack the crucible due to the thermal expansion of the metal. 03 When removing the molten metal, scoop it out with a spoon and useless caliper as much as possible. If the use of calipers and other tools, should be consistent with the shape of the crucible, so as not to local stress too large, shorten the service life. 04 The service life of the crucible is related to its use. Strong oxidation flame should be avoided to spray directly on the graphite crucible to shorten the service life of raw materials. If you need any kinds of graphite and carbon products, please contact us, as a professional graphite manufacturer, Wanhui is willing to offer you high quality products.
OEM Graphite Blocks Supplier Graphite for sale are generally divided into natural graphite blocks and artificial graphite blocks. The most widely used ones are artificial graphite blocks. As one of the biggest grafit block suppliers/manufacturers in China, WH Graphite can provide you with all kinds of OEM graphite blocks as you need. Block graphite is an allotroph of carbon, gray black graphite carbon block, opaque solid graphite block, melting point of 3652â??, boiling point of 4827â??. Solid carbon graphite block, a stable chemical property, is corrosion resistance, and is hard to react with acid, alkali and other agents. Carbon graphite block burns in oxygen at 687â?? to form carbon dioxide. Carbon graphite blocks can be oxidized by strong oxidants such as concentrated nitric acid and potassium permanganate. The graphite carbon block also can be used as an antiwear agent or lubricant. High purity graphite as a neutron decelerating agent in the atomic reactor, can be used to manufacture graphite crucible, electrode, brush, dry cell, graphite fiber, heat exchanger, cooler, arc furnace, arc lamp, pencil core, and so on. What Are graphit block Used For? China solid graphite rod is used in silicon carbide furnaces and other metallurgical furnaces, resistance furnace lining, and conductive material, graphite vacuum furnace as well as permeable graphite heat exchanger.
Hydrophobic colloidal silica refers to silica nanoparticles that have been chemically modified to repel water. Colloidal silica consists of tiny particles of silicon dioxide suspended in a liquid. These particles are so small that they remain dispersed rather than settling out of solution. Applications Coatings and paints: Hydrophobic colloidal silica can be used as an additive to improve the water resistance and durability of coatings and paints. It helps prevent moisture from penetrating the surface, thereby enhancing the protective properties of the coating. Rheology modifiers: Hydrophobic colloidal silica can be incorporated into various formulations to control rheological properties such as viscosity and thixotropy. This is particularly useful in industries such as cosmetics, adhesives, and printing inks. Catalyst supports: Hydrophobic colloidal silica can serve as a support material for catalysts in chemical reactions. The hydrophobic surface helps prevent unwanted interactions with water, allowing the catalyst to remain active for longer periods. Pharmaceuticals: Hydrophobic colloidal silica may be used in pharmaceutical formulations to improve drug stability, control release rates, and enhance bioavailability.
Industrial Silica Sand, also known as silica or quartz sand, is a high-purity form of sand that consists mainly of silicon dioxide (SiO). It is widely used in various industrial applications due to its unique properties, such as high melting point, hardness, chemical stability, and resistance to both physical and chemical weathering. Some of its key uses include: Glassmaking: Silica sand is a critical component in the production of glass, as it provides the silica needed for glass formation. Foundry: It is used in foundries for molding and casting metal parts, where its heat resistance makes it ideal for metal casting processes. Hydraulic Fracturing (Fracking): In the oil and gas industry, silica sand is used as a proppant in hydraulic fracturing to hold fractures open in the rock, allowing oil or gas to flow out. Construction: It is an important ingredient in the production of building materials like concrete and mortar, as well as various fillers and extenders in construction products. Ceramics and Refractories: Industrial silica sand is used in the manufacture of ceramics, including porcelain, tiles, and sanitaryware. It is also used in high-temperature-resistant materials. Water Filtration: Its uniform particle size and high silica content make it useful in water filtration systems, especially for treating drinking water. Chemical Production: Silica sand is used as a raw material in the production of silicon compounds and various chemical processes. Its purity and grain size make it highly valued across these industries.
High purity organic colloidal Silica High purity organic colloidal silica is produced by high purity colloidal silica. Silica colloidal particles is dispersed in organic solvent by unique technology of our company. Description High-purity organic colloidal silica is a refined form of colloidal silica known for its exceptional purity and suspension in an organic medium. What sets it apart is the unique stability and versatility that the organic solvent provides, making it ideal for a wide range of applications. The production process involves taking high-purity colloidal silica and using our company proprietary technology to disperse the silica particles into the organic solvent. This method ensures that the material remains stable, precise, and highly effective in its use.
Expansible graphite is produced by our company high-quality natural phosphorus sheet graphite, after special modification and obtained a flexible graphite product, is an ideal new sealing material, in the petroleum, chemical industry, electric industry, aviation, automobile, ship and instrumentation and other industries dynamic, static sealing has a wide range of applications. Expandable graphite by high temperature instantaneous treatment, scale-like into vermicular, volume can be expanded 100-400 times, this expanded graphite still maintains the nature of natural graphite, and has good molding plasticity, flexible ductility and sealing, is a variety of graphite plates, seals of high quality raw materials, can also be used for metallurgical industry of new protection slag, heating agent. Varieties: 9950250 9980250 9950200 9980200 9550250 9580200 etc Size: 32 mesh 50 mesh 80 mesh 100 mesh -100 mesh -200 mesh -325 mesh Expansion rate: 100-400ml/g Performance: With good expansibility, the finished product has high temperature resistance, radiation protection, heat insulation, lubrication, plasticity, chemical stability Application: Widely used in steel, metallurgy, petroleum, chemical industry, machinery, aerospace, atomic energy and other industrial sectors.
Categories: High purity graphite (LC), High carbon graphite (LG), Medium carbon graphite (LZ), Low carbon graphite (LD) Specification: Particle size 45m-500m (325 mesh - 32 mesh), carbon content 85-99.9%. Properties: The flake crystal is complete, the flake is thin and has good toughness, excellent physical and chemical properties, and has good high temperature resistance, self-lubrication, electrical conductivity, heat resistance, thermal shock resistance, corrosion resistance and other properties. Usage: Flake graphite is widely used in high-grade refractory materials and coatings in gold industry. Such as magnesia carbon brick, crucible, etc. Military industrial fire materials stabilizer, smelting industry desulphurization accelerator, light industry pencil lead, electrical industry carbon brush, battery industry electrode, fertilizer industry catalyst, etc. After deep processing of flake graphite, graphite emulsion can be produced for lubricant, release agent, wire drawing agent, conductive coating and so on. It can also produce expanded graphite for flexible graphite products, such as flexible graphite seals and flexible graphite composite products.
Earth-like graphite, also known as microcrystalline graphite, earth-like graphite quality, high fixed carbon content, less harmful impurities, sulfur, iron content is very low, enjoy a high reputation in the domestic and foreign graphite market, known as "gold sand" reputation. Carbon content: 80%-99.9% Particle size: 200 mesh -0.5�?�¯ï¿½?�¿ï¿½?�½?�¯�¿�½?�?�¼m Application: Earth graphite is widely used in casting paint, oil drilling, battery carbon rods, steel, casting materials, refractory materials, dyes, fuels, electrode paste, and used as pencils, welding rods, batteries, graphite emulsion, desulfurizer, preservative anti-slip agent, smelting carburizer, ingot protection slag, graphite bearing and other products.
This product is a green mercury-free battery special graphite developed by our company on the basis of the original ultra-low molybdenum and high purity graphite. It has the characteristics of high purity, excellent electrical properties and ultra-low trace elements. Various trace elements in graphite are strictly controlled by the domestic advanced chemical production process. The technical performance of the products is stable, ranking the advanced level of similar products in China. It can completely replace the imported graphite powder, which can greatly improve the use and storage life of the battery, and is an important raw material for green and environmentally friendly mercury-free alkaline batteries. Type: T-399.9 Performance: high temperature resistance, good electrical and thermal conductivity, strong chemical stability, acid and alkali corrosion resistance, non-toxic and harmless, is an excellent green environmental protection material. Application: Mainly used in green mercury-free alkaline battery, secondary battery, lithium ion battery, tube inside and outside coating.
Our company uses high speed mill, Raymond mill, air mill and other advanced grinding equipment. Production of various models of micro powder graphite series products. In the electric carbon products, lubricating materials, fertilizer catalyst, pencil lead, powder metallurgy release agent, as well as rubber, plastic composite materials filler or improver and other industries, widely used, well received by domestic and foreign users. Varieties: FS, F Size: Particle size 1-38m Performance: It has the performance of high-quality natural flake graphite, has special oxidation resistance and self-lubrication under high temperature conditions, and has good electrical conductivity, electric heating and adhesion. Use: (1) Used as a release lubricant in the production of catalyst in the fertilizer industry; (2) high temperature resistant lubricant base material, corrosion resistant lubricant base material; (3) powder metallurgy release agent and metal alloy raw materials; (4) Used to make carbon film resistance, conductive dry film and preparation of conductive liquid; (5) As a filler or performance improver for rubber, plastics and various composite materials to improve the wear resistance, pressure resistance or conductivity of the material; (6) For the production of graphite milk, grease, etc.
Varieties: Drawing coarse silk, medium silk, fine silk, extra fine silk Specifications: TS-O S-O S-1B S-1 Performance: With good high temperature lubricity, protect the mold, reduce wear. Superior high temperature coating, 600-1200�¢?? does not fall off, does not burn, protect the wire is not oxidized, easy to preserve, no deterioration.
