Mica sheet is made of high-quality Muscovite paper, phlogopite paper or synthetic mica paper as the base material,high-temperature silicone resin as the adhesive, baked and pressed at high temperature. Hard mica board is specially developed and designed to meet the characteristic requirements of high temperature insulation and electrical insulation. It is mainly used in the following industries: 1.Household appliances industry (including oven, toaster, hair dryer, electric kettle, electric iron, air heater, curler, electricwire heater, wallboard heater, etc.) 2.Metallurgical Industry (electric frequency furnace, industrial frequency furnace, electric arc furnace, etc.) 3.Chemical industry and medical equipment industry, as heating bracket, gasket, partition, etc.
CUSTOM GRAPHITE CRUCIBLE FOR MELTING GOLD/ SILVER/ ALUMINIUM/ COPPER/ BRASS Graphite crucible for melting gold/silver/aluminium/copper/metal uses graphite as the main raw material and plastic refractory clay or carbon as binder processing. This kind of graphite crucible for melting copper is mainly used for gold, silver, copper, aluminum, brass and other non-ferrous metal and alloy smelting. Graphite crucible's wall is smooth and the melting loss of precious metals is small. HOW TO USE GRAPHITE CRUCIBLE FOR MELTING GOLD/ SILVER/ ALUMINIUM/ COPPER/ BRASS Graphite crucible is most afraid of damp, damp after the quality has a great impact, if the use of damp crucible will be broken, burst, off the bottom and other phenomena, resulting in the loss of molten metal, and even industrial accidents. So graphite crucible in storage and use process, must pay attention to moisture-proof. ADVANTAGES OF GRAPHITE CRUCIBLE FOR MELTING GOLD/ SILVER/ ALUMINIUM/ COPPER/ BRASS 01 Graphite crucible for melting silver has the characteristics of high temperature resistance, strong thermal conductivity, good corrosion resistance, long service life and so on. In the process of high temperature, the coefficient of thermal expansion is small, and it has certain strain resistance to rapid cooling and rapid heating. 02 Graphite crucible for gold/silver/aluminium/copper/brass has strong corrosion resistance to acidic and alkaline solutions and excellent chemical stability. It does not participate in any chemical reaction in the smelting process. As one of graphite products suppliers, we can provide kinds of graphite products for sale, if you are interested, please contact us.
OEM GRAPHITE BLOCKS SUPPLIER Graphite blocks for sale / graphite block 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 graphite blocks suppliers/manufacturers in China, WH Graphite can provide you with all kinds of OEM graphite blocks as you need. Graphite is an allotroph of carbon, gray black graphite carbon block, opaque solid graphite block, melting point of 3652, boiling point of 4827. 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 687 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 anti-wear 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. GRAPHITE BLOCKS FOR SALE EDM Graphite Blocks As China's manufacturing industry is moving towards high-end development, the country is vigorously promoting intelligent manufacturing. Therefore, in the field of precision mold manufacturing, the requirements for the discharge materials used in the processing are becoming higher and higher, so THE position of EDM graphite in the processing of these precision molds is becoming higher and higher, and the screening of EDM materials has been highly concerned by the industry. Isostatic Graphite Block Isostatic graphite is made of high purity graphite and has isotropy. Isostatic graphite is a new carbon graphite block developed in the world in the past 50 years, which is closely related to today's high technology. It is irreplaceable for manufacturing single crystal furnaces, graphite crystallizer for metal continuous casting, graphite electrode for EDM, and also an excellent material for decelerating and reflecting materials of rocket nozzles and graphite reactors.
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.
Spherical graphite is a lithium ion battery anode material with different purity and different purity produced by advanced spherification of our company's high-quality natural flake graphite. It has the characteristics of high sphericity and high vibration density. Variety: THD-12-40 Performance: Strong chemical stability, high charge-discharge capacity, long cycle life, good safety performance. Usage: Mainly used for lithium-ion secondary batteries.
Silica fume, also known as condensed silica fume or microsilica, is a spherical sub-micron amorphous silicon dioxide used in many applications. Silica fume is a co-product of silicon or ferrosilicon production, consisting of ultrafine (sub-micron), amorphous, non-porous, perfectly spherical silicon dioxide (SiO2) particles, with purity levels of 85 to 99 %. The main effect of these ultra-fine particles is to greatly improve particle packing and produce a highly pozzolanic reaction in concrete and other cementitious bond systems where the silicon dioxide reacts with calcium hydroxide, heightening performance levels and the strength and durability of these materials. Additionally, silica fume, because of its amorphous (non-crystalline) structure and its specific area, provides other useful features to various applications, including improved sintering capabilities and enhanced high temperature performance of refractory castables, resulting in reactions between microsilica and other components of the refractory mix. To summarize, silica fume has two key features which alone or in combination are the basis for its high performance: The nano-sized spherical non-porous particles create an efficient "filler effect" Primary particles have an average diameter of about 0.15 �¼m (150 nanometers) Microsilica is a highly reactive form of silica producing a "chemical effect" Thanks to its amorphous nature and high specific surface area.
Item No Index Measured Value Appearance White powder Compliance index Specific surface area of nitrogen adsorption m/g 200±10 200 Sio2- content >99.8 99.9% PH 3.7-4.5 4.19 Volatile matter % at 105 �ºC â?¤3.0 0.82 Tamping density g/dm�³ 30-60 31 Sieve residue(45�¼m) mg/kg â?¤250 19.93 Fumed silica is a very useful industrial chemical used in a variety of industrial and consumer products. Fumed silica poses a variety of health hazards to workers in various end-use industries and to those using products that use fumed silica. 1. in various resin additives, medicine, food and other fileds. 2. rubber, sealant, silica gel, adhesive, tile grout etc. 3. paint, coating, UPR, 4. CMP suspension etc; 5. Digital photo paper etc.
1> Desiccant material: Bentonite and Montmorillonite; 2>Color: Gray/Cyan/Reddish Brown; 3>Size: 0.5-2mm, 1-4mm, designed; 4>Shape: Irregular and Ball Shape; 5>Packing material: Double layer waterproof plastic bag; 6>Capacity: 10g / 50g / 100g / 500g / 1000g / 1500g / 2000g designed per needs; 7>Package style: Three side seal / Central seal / Four side seal; 8>Adsorption rate: over 18%-50%, depend on using environment; 9>Certification: REACH / ROHS / SGS / ISO; 10>Application: Special for Warehouse Storage & Container Shipping; 11>Using qty: Depend on season/sea route/cargo type, use 30% more for better ;protection and performance;
Payments:T/T Delivery:2days for stock,OEM about 3-5weeks Origin:CHINA Packing:optical package Inspection:MIL Samples:Charge Sample Price:$0.10 UPT offer various of quartz tube with competitive price, large aperture quartz tube no bubbles, no airline, transparent, OEM sharp are ok,
High purity silica refers to silicon dioxide (SiO2) with an exceptionally high level of purity, typically exceeding 99.9%. It is obtained through various refining processes to eliminate impurities and ensure its suitability for demanding applications across different industries. Characteristics and Applications Semiconductor Manufacturing: High purity silica serves as a crucial material in the production of semiconductor devices. It is used in the fabrication of silicon wafers, where its purity ensures minimal impurities that could negatively impact the electrical properties of the semiconductor. Optical Components: Silica with high purity is utilized in the manufacturing of optical fibers, lenses, and other optical components. Its transparency and low optical absorption make it ideal for transmitting light with minimal loss, essential for telecommunications, medical devices, and laser systems. Advanced Ceramics: High purity silica is a fundamental component in the production of advanced ceramic materials such as silica glass and silicon nitride ceramics. These materials find applications in industries ranging from aerospace and defense to electronics and biomedical. Pharmaceuticals and Cosmetics: Silica with high purity is used as an excipient in pharmaceuticals and cosmetics. It serves various functions including as a flow agent, desiccant, and viscosity modifier in formulations. Chemical Synthesis: High purity silica acts as a catalyst or catalyst support in various chemical reactions and processes. Its high surface area and uniform pore structure make it suitable for applications in catalysis, chromatography, and adsorption. Construction Materials: High purity silica is incorporated into construction materials such as concrete, mortar, and grouts to improve strength, durability, and resistance to environmental factors. It also contributes to the production of high-performance coatings and sealants. Environmental Remediation: Silica with high purity is used in environmental remediation applications such as water filtration and soil stabilization. Its inert nature and high surface area enable efficient removal of contaminants from water and soil.
Features and Applications High Purity: Electronic grade silica sol is produced with extremely high purity levels to minimize impurities that could adversely affect electronic components. This ensures the reliability and performance of semiconductor devices and integrated circuits. Particle Size Control: The particle size distribution of electronic grade silica sol is tightly controlled to meet precise specifications. This uniformity is crucial for achieving consistent results in semiconductor fabrication processes such as chemical mechanical planarization (CMP) and wafer cleaning. Surface Properties: Electronic grade silica sol is designed to have specific surface properties tailored for electronic applications. These properties may include controlled surface charge, stability, and compatibility with other process chemicals. Polishing and Planarization: In semiconductor manufacturing, electronic grade silica sol is used in CMP slurries for polishing and planarization of silicon wafers. It helps achieve smooth and flat surfaces essential for patterning and layer deposition processes. Dielectric Films: Electronic grade silica sol can be used to deposit thin dielectric films on semiconductor substrates through techniques such as spin coating or dip coating. These films act as insulating layers in electronic devices, providing electrical isolation between different components. Passivation and Encapsulation: Silica sol can be employed for passivation and encapsulation of semiconductor devices to protect them from moisture, contaminants, and mechanical damage. The high purity and stability of electronic grade silica sol ensure long-term reliability and performance. Photolithography: Electronic grade silica sol may also be utilized as a photoresist adhesion promoter or anti-reflective coating in photolithography processes. It helps enhance pattern fidelity and resolution during the fabrication of semiconductor circuits. Wafer Cleaning: Silica sol is used in wafer cleaning processes to remove contaminants, particles, and organic residues from semiconductor surfaces. Its high purity and compatibility with other cleaning agents make it an essential component in advanced cleaning solutions.
Modified silica sol refers to a type of colloidal solution where silica nanoparticles are suspended in a liquid medium, typically water. These silica nanoparticles are modified or functionalized with various organic or inorganic compounds to alter their surface properties and enhance their performance in different applications. The modification process can involve chemically bonding organic molecules to the surface of the silica particles, which can impart specific functionalities such as hydrophobicity, oleophobicity, or compatibility with certain polymers or solvents. Inorganic modifications may include incorporating metal oxides or other nanoparticles to enhance properties like catalytic activity or mechanical strength. Modified silica sols find widespread use in various industries such as coatings, adhesives, sealants, composites, and catalysts. They offer advantages like improved dispersion, adhesion, and compatibility, making them valuable additives in many formulations.
Hydrophobic silica is a type of silica material that has been chemically modified to repel or be resistant to water. This modification alters the surface properties of silica nanoparticles, making them less prone to interacting with water molecules. The modification process typically involves treating the surface of the silica nanoparticles with hydrophobic compounds, such as alkylsilanes or fluorosilanes. These compounds form a hydrophobic layer on the surface of the silica particles, effectively blocking interactions with water molecules. Hydrophobic silica finds numerous applications across various industries. For example, it is used as an additive in coatings, paints, and sealants to improve water repellency and durability. In the pharmaceutical and food industries, hydrophobic silica can be used as an anti-caking agent to prevent clumping in powdered products. Additionally, it is utilized in rubber and plastic composites to enhance their water resistance and mechanical properties.
Hydrophilic silica is a type of silica material that exhibits a strong affinity for water. Unlike hydrophobic silica, which repels water, hydrophilic silica readily interacts with and absorbs water molecules. The surface of hydrophilic silica nanoparticles is typically functionalized with hydrophilic groups, such as hydroxyl (-OH) groups. These groups enable the silica particles to form hydrogen bonds with water molecules, promoting their dispersion and solubility in aqueous solutions. Hydrophilic silica has various applications across industries. In the pharmaceutical and cosmetic sectors, it is used as an excipient in formulations to improve the dispersibility and bioavailability of active ingredients. In chromatography, hydrophilic silica is employed as a stationary phase for separating polar compounds. It is also utilized in coatings, paints, and adhesives to enhance their rheological properties and adhesion to substrates.
This product is customized as drilling mud based on good quality attapulgite clay. And it is applicable to geological drilling, marine drilling and geological drilling in salt containing area. It features good thermal stability and salt resistant property, therefore, the number of rejected wells will be small while using it to protect the wall of wells, and the drilling efficiency is improved and the cost is cut down as well. Production performance and its application 1. This product features good colloidal and suspending properties, and is suitable to be used as drilling mud under various geological conditions. 2. Because of good thermal stability, it shows no flocculation or dilution under high temperature, therefore, it is applicable to deep drilling and terrestrial heat drilling. 3. Its salt resistant ability makes it free from being affected by electrolytes, thus it can still be in mud form even in saturated brine. It is appropriate for marine and salty stratum drilling. Technical specifications (conform with GB5005-2002) API-13 Preparation of product Add water to the product and stir the mixture in a homogenizer for 20 minutes. Then put in synergist and dehydration-weakening agent, etc. to prepare the required mud. Packing material and specifications Braided bags, paper-and-plastic bags and paper bags Specifications (as per bag): 25kg , 40kg , 500kg and 800kg
Silicon slag is a grayblack granular solid waste produced by partial oxidation and partial reduction of silicon materials at high temperatures Silicon slag mainly comes from silicon material processing processes in the metallurgy and semiconductor industries such as silicon wafer slicing ferrosilicon smelting and other processes The main components of silicon slag are SiO2 and a small amount of FeO Al2O3 CaO and other elements and oxides 1 Make cement Silica slag can be used as an additive in cement clinker to replace some materials such as plaster of paris or fly ash in cement clinker Silica slag can promote the hydration reaction of cement clinker and enhance the early strength and longterm performance of cement 2 Making glass Silica slag is an important raw material for glass manufacturing It can replace part of the raw materials such as quartz sand and sodium carbonate reduce the cost of glass production and at the same time improve the quality and weathering resistance of the glass 3 Manufacturing Ceramics After silicon slag is mixed with materials such as alumina calcium oxide and magnesium oxide highperformance refractory ceramic materials can be prepared These materials have excellent properties such as hightemperature fire resistance high strength and wear resistance and are widely used in hightemperature furnaces chemical equipment and other fields 4 Manufacturing building materials Silica slag can be used as a raw material for manufacturing building materials such as building bricks sound insulation panels and thermal insulation materials Building materials made of silicon slag have high strength wear resistance fire resistance and other properties and also have good heat and sound insulation properties 5 Other uses Silicon slag can also be used to manufacture graphite electrodes iron oxide pigments electrical insulation materials and other products In addition silica slag can also be recycled such as used to make road hardeners lowcarbon cement etc
It is made of the best quality bentonite as raw materials and is very popular with cat owners who want a clumping, low-tracking litter with no mess. The unique leading dust removal process can keep the household environment refreshing for a long time. So it's your perfect choice for your family cat or multi-cat families with super odor control.
Quartz slabs.
Quartz crystals, filters, resonators, oscillators, tcxo, vcxo, saw device.Oem, odm
Quartz stone, quartz slab, quartz countertop, vanity top, tile.Exporting
