Silicon carbide (sic), also known as carborundum, is a compound of silicon and carbon with chemical formula sic. It occurs in nature as the extremely rare mineral moissanite. Silicon carbide powder has been mass-produced since 1893 for use as an abrasive. Grains of silicon carbide can be bonded together by sintering to form very hard ceramics  that are widely used in applications requiring high endurance, such as car brakes, car clutches and ceramic plates in bulletproof vests. Electronic applications of silicon carbide as light-emitting diodes (leds) and detectors in early radios were first demonstrated around 1907. Today sic is used in semiconductor electronics applications that are high-temperature, high-voltage or both. Large single crystals of silicon carbide can be grown by the lely method; they can be cut into gems known as synthetic moissanite. Silicon carbide with high surface area can be produced from sio2 contained in plant material.
Black silicon carbide use quartz sand and petroleum coke as the main raw material, smelting the raw material at high temperature electric resistance furnace . Black silicon carbide contains SiC about 95%. The toughness is higher than that of green silicon carbide, black crystals. The microhardness is HV3100-3280kg / mm², brittle and sharp and has a certain electrical conductivity and thermal conductivity. Abrasive made of black silicon carbide is suitable for grinding cast iron, nonferrous metals and rubber, leather, plastic, wood, minerals and other non-metallic materials. Additionally, you can make advanced refractory material and so on.
Refractory Grade Silicon Carbide 98% SiC Have a large inventory, Be ready for shipment.
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As a general rule, The purer the sand, the clearer the products Silicon and oxygen are the earth's two most abundant elements and together they make silica, one of the earths three most common rock forming minerals. Akshar Minerals Silica sand is high purity natural crystalline silica. It is inherently bright, white, low in moisture and chemically inert in nature. Basically, It is made up of two main element Silica & Oxygen. Silica sand is made up of Silicon Dioxide. There are number of different uses of silica sand in the industrial and commercial sector, from golf courses to glass making . The chemical formula of Silica Sand is SiO2 Characteristics : High Purity Weather Resistant White Appearance Naturally Hard Controlled Particle size Chemically Inert Applications Akshar Minerals Silica sand is used depends on physical, chemical and mechanical characteristics such as grain size, shape color, structure and distribution as well as refractoriness strength and stability. There characteristics can differ depending on how mineral is processed after it is mined. This product gets easily mixed and can be used for high temperature applications like flat glass, furnace tubes and many more due to its excellent thermal expansion, hardness. It yields improved durability and burnish resistance. We make for all type of application in the industries like Glass industries, Sodium Silicate Industry, Golf course & Sport Ground, Adhesive and sealant, Rubber industry, Texture Wall Paint, Sand Blasting, Agro pesticide, Cosmetic industry, Soap & Detergent, Filtration Media, Power Plant & Petroleum, Construction Chemical Industry, Plastic, Fertilizer, Paint, Ceramic, Insulation, Foundry, Ramming Mass, Steel Industry, Landscaping, GRC & GRP Industry, Oil & Petroleum Industry, Oil Exploration & Oil Drilling.
High Flavonoids Bee Propolis Extract Powder Herbal Extract Free Sample Available Basic Information Place of Origin: Xuchang Brand Name: Super-Sweet Certification: ISO, GMP, HACCP, Kosher, FDA Model Number: 3001 Minimum Order Quantity: 500kgs Price: 19 Packaging Details: 1kgs/foil bag, 20bags/BOTTLE Delivery Time: 10 Payment Terms: T/T Supply Ability: 360 Product Description 1. Why Choose Super-Sweet As Your Propolis Resin Supplier * More than 40 years Professional manufacture with competitive price and excellent quality * GMP, HACCP,FDA,KOSHER * Large quantity in stock with prompt shipment and good service * Free sample and trial order is available Propolis Extract Powder/Bee Propolis Powder Product Name: Bee Propolis Powder Latin Name: Colla Apis Part Used: Propolis Appearance: Brown Fine Powder Active Ingredient: Propolis Specification: Propolis 50%,60%,70% Test Method: HPLC Place of Origin: China Storage: Store in a cool & dry area, keep away from the direct light and heat. Validity: Two years if properly stored. Shelf Life: Two years under well storage situation and stored away from direct sun light. Propolis powder is the powder that mixed with propolis and Carob Powder or other Supplementary material . It is very beneficial with people's health . And is widely used by many healthy fields. Propolis is rich in flavonoids, aromatic acids, alcohols, aldehydes, ketones, amino acids, fatty acids, terpenes,carbohydrate,vitamins, constant quantity and trace elements and so on .
Using high-purity silicon carbide powder, formed through isostatic pressing, fired to create high-density structural components. Long lifespan, good heat dissipation performance, low friction coefficient, enhancing grinding efficiency. Lightweight, minimal centrifugal force, high grinding speed, no pollution, high product purity, improving grinding efficiency, saving costs. We adopt isostatic pressing forming method. The outer diameter of silicon carbide wear-resistant barrels can reach up to 1000mm. Large-diameter silicon carbide barrels are formed by reaction sintering, while small-diameter barrels are formed by pressureless sintering, which is more wear-resistant than reaction sintering.
Silicon carbide crystal boat The application industry of silicon carbide crystal boats Silicon carbide crystal boats are not only key components used in semiconductor device manufacturing processes, but also transmission and load-bearing tools for photovoltaic chip diffusion processes. Require materials with excellent high-temperature strength, semiconductor grade purity, high thermal conductivity, similar thermal expansion coefficient to chips, and precise size. Silicon carbide materials have broad application prospects in fields such as power electronics, optoelectronics, and microwave electronics. Performance of silicon carbide crystal boat The characteristics of silicon carbide crystal boats include high temperature tolerance and low pollution. Due to the high melting point of silicon carbide crystal boat material, it can be used in high-temperature environments. When growing crystal materials that require high-temperature conditions, silicon carbide crystal boat is a very ideal choice. Silicon carbide crystal boats meet strict and complex process and environmental requirements: good thermal conductivity; Has the same coefficient of thermal expansion as monocrystalline silicon wafers; Excellent thermal shock resistance performance; High density; High purity and excellent high-temperature strength; And can work for a long time in corrosive environments with strong acid and alkali. The chip heat treatment and doping diffusion components made of new silicon carbide materials include horizontal or vertical silicon carbide boat shaped crystal boats, silicon carbide process tubes, silicon carbide boat holders, silicon carbide cantilever paddles, etc. These products have the characteristics of low pollution and can meet the purity requirements of semiconductor materials.
silicon carbide roller Performance of silicon carbide rollers Silicon carbide roller, ceramic rollers, are widely used in tunnel kilns, roller kilns, natural gas kilns, electric furnace wire kilns, silicon carbide kilns and other fields, the heating temperature can reach 1350 �° C, vertical or water safety It is installed on both sides of the furnace cavity, and some furnaces are installed on the top and bottom of the furnace cavity, which can effectively reduce the weight of the kiln car and prolong its service life. The use of silicon carbide roller Scope of application silicon carbide rollerSanitary ware kiln, nitrogen protection kiln, high-voltage electric porcelain kiln, daily-use ceramic kiln, A-class lightweight foamed ceramics, 1260 â?? ceramic roller kiln. Specifications and models of silicon carbide roller Our company accepts customization of silicon carbide roller of different specifications
Silicon Carbide beam Reaction Bonded Silicon Carbide beam performance Silicon carbide beam is also called silicon carbide bearing beam and silicon carbide column. Silicon carbide beam has large high-temperature bearing capacity, oxidation resistance and no bending deformation after long-term use. It can significantly save energy consumption without increasing the weight of kiln car and has long service life. It is an ideal kiln for sanitary porcelain, electric porcelain and other industries Application of silicon carbide beam Silicon carbide beam adopt by slip casting process, mature sintering technology and extraordinary finishing ability. They are very suitable for manufacturing super large products with complex shape and strict tolerance requirements. They are suitable for the load-bearing structure of tunnel kiln, shuttle kiln, double-layer roller kiln and other industrial kilns. Specification of silicon carbide beam Accept the customization of silicon carbide beams and silicon carbide beams of different specifications Bearing capacity of silicon carbide beams :
Wood pellet Wood pellet is a solid fuel that is produced by crushing and densifying waste timber like sawdust, forestry residues, forestry wastes. The length is 1-4cm and the diameter is generally 6, 8, 10, or 12mm. It is possible to produce 25mm wood pellet at maximum. In Sweden, 6mm wood pellet is encouraged to use in house as it can realize the best condition of combustion. Wood pellet production doesn't need to add binder as lignin, an element of wood, plays a role of binder and helps to pelletize when it is melted by heat.
Silicon carbide(sic) wafer Description: A wide energy bandgap, high thermal conductivity, high saturated electron drift velocities, and high break-down electric field make silicon carbide(sic) a candidate of choice for high-temperature, high-speed, high frequency, and high-power applications. Sic based devices are highly expected for the spaceraft, space probe, oil exploration, optical storage, display, and power management and distributions Application: Luminescence of solid Microwave communication Fiber-optic communication Navigation Individual vacuum package
SPECIFICATIONS: the following Percentage Points: Chemical Composition Carbon - 0.54 to 0.82% Phosphorus - 0.035% max Manganese - 0.60 to 1.05% As. - 0,01max of Mass share Silicone - 0.18 to 0.40% Sulphur - 0.035% max Norms - R-50 GOST-7173-75 / R-65 GOST- 8165-75 The scrap consists of R-50 (51,67 KG/m) R-65 (64,72KG/m) Used Rails shall be considered free of alloys when the residual alloying elements do not exceed Cut to 1.5 meter length (standard) 1. Technical terms: USED RAIL R50-R65 2. Specifications and Chemical Composition: Used Rail: R50 (51.67KG/Meter, GOST 7173-55), Used Rail: R65 (64.72KG/Meter, GOST 8161-75). Size & Weight: Length: 12meter ~ 12.5meter Maximum or less according tobuyerâ??s instruction; Expenses on seller Width: 5.5 inches ; Weight: 64.72Kg. No fishplates or steel pieces or bolts are attached to the used rails. All rails are clean and straight. No pitting. Only atmospheric rust No heavy rust. It is mandatory that Rails must be cut into length 1.5 meter(max.) before shipment.
Sic heating elements can up to 1600Cï¼?have high applied temperature,anti-oxidization,long usage life characters etc,easy installation and convenient maintenance.
Maltodextrin is safe for people who avoid gluten, even when itâ??s made from wheat. Maltodextrin is a white, starchy powder that manufacturers add into many foods to improve their flavor, thickness, or shelf life. Maltodextrin is a common ingredient in packaged foods, such as pastries, candies, and soft drinks. When it is present, it will usually feature on the food label. Easily absorbed by the human body, it is especially suitable as a basic raw material for patients, infants and children's food. It has a good stabilizing effect on food and beverage foam. It has the characteristics of low sweetness, no peculiar smell, easy digestion, low heat, good solubility, low fermentation, good filling effect, not easy to absorb moisture, strong thickening, good carrier, good stability, and hard to deteriorate. Maltodextrin contains a lot of polysaccharides, and also contains calcium, iron and other trace elements and minerals that are beneficial to the human body, and can promote the body's normal material metabolism.
1. Rose Damascena oil The most precious essential oil in the world due to its unique rich chemical composition and deep multi-layered fragrances. The essential oil is found in the flowers of Rose Damascena. Rose oil is extracted from the petals of the oil-bearing Rosa Damascena by steam distillation. The chemical composition of rose oil is complex, it contains over 300 components, the main of which are: citronellol, geraniol, nerol. It has a strong aroma of fresh roses, which can be described as sweet, floral, feminine, rich, warm, tempting, and intoxicating, but long-lasting. The top, middle and base notes of the oil are strong and it acts in synergy with other essential oils. One of the main features of the quality rose oil is that qt lower temperatures, the oil crystallizes, and when heated, it liquefies again. Rose oil produced in Bulgaria is one of the highest quality essential oils in the world. It is used in aromatherapy by bringing harmony, balance, and beauty. Very small amounts of rose oil are used, but it "achieves a lot with little". The main action of the oil is rejuvenating, as it activates the healing and regenerating processes in the skin. Widely used in cosmetics, it helps to soften, rejuvenate and regenerate, or to soothe reddened and prone to irritation skin. Rose oil improves elasticity and has a beneficial effect on fine lines around the eyes. nedim@damaskenapure.com Adding natural perfume and rose elements gives another dimension and quality to the perfume. Rose oil is the absolute cornerstone of perfumer described by the luxury companies in the industry. It has a refined lychee top note for the essential oil. - Perfuming effect mystical and elusive essence emotional and luxury - Pharmacological properties include: anti-HIV anti-inflammatory antimicrobial antibacterial antioxidant antitussive hypnotic antidiabetic - Cosmetic properties: moisturizing the skin and included in products for dry, sensitive, and mature skin. soothe red and irritated skin anti-aging products improve the appearance of fine lines and wrinkles
Refractory products made of silicon carbide as the main raw material. The content of silicon carbide is 72% to 99%. Generally select black silicon carbide (SiC content more than 96%) as raw material, add binder (or no binder), through batching, mixing, molding and firing and other processes. Silicon carbide brick has high thermal conductivity, good wear resistance, thermal shock resistance and corrosion resistance. So carbonization. Silicon bricks are widely used in industry. It can be used for metallurgical steel tube lining, nozzle, plug head, blast furnace bottom and hearth, heating furnace without water-cooled slide rail, non-ferrous metal smelting distiller, distillation tower tray, electrolytic cell sidewall, smelting metal crucible; shed plate and flame insulation material of silicate industrial kiln; oil and gas generator and organic waste combustion furnace in chemical industry. Aluminum reduction cell lining for high-tech ceramic kiln furniture, molten aluminum conduit and ceramic kiln furniture, lower part of large and medium-sized blast furnace body, hearth and hearth, aluminum refining furnace lining, zinc distillation tank lining, etc.
Product name: Silicon Carbide SIC Nanopowder 90% Place of Origin: China Application: refractory materials Shape: Powder Material: silicon carbide Chemical Composition: Si2O3 Color: Black SiO2: 90%min Usage: Metallurgy Deoxidizer Package: 1 Ton/bag Payment: L/C T/T Supply Ability: 1000 Ton/Tons per Week Lead Time:15-30days Port of shipment:Xiamen,China Applications 1.metallurgical deoxidizer 2.high temperature resistant materials 3.as abrasive,abrasive tools can be used to such as grinding wheels,whetstones,grinding head, sand tile etc Advantages 1.corrosion resistance,high strength,high hardness, 2.good wear-resisting performance,resist to shock 3.stable chemical performance,high thermal conductivity,high resistant temperature
SiC Sintered silicon carbide seal ring ( rotary face and stationary ring ) Huihan supplies ceramic seal rings with great mechanical properties which is widely used in pumps, valves, automotive engineering, and medical analysis equipment or even in the fully automatic coffee machines used in homes every day. Material: Pressureless sintered silicon carbide, reaction bonded silicon carbide, tungsten carbide Character: Exceptional resistance to corrosive and abrasive environments High temperature resistance
