High Purity Chromium Cr Powder CAS 7440-47-3, 99%

Overview of Chromium Powder :

Chromium powder is a silver-gray metal powder with a high density and good metallic luster. The size of its particles is usually at the micron scale and can be processed through grinding and then polishing. The melting point of chromium powder is about 1900℃, and it has good electrical and thermal conductivity. Chromium powder at room temperature can react with various chemical substances, such as acids, bases, oxidants, etc. At high temperatures, chromium powder can react with many elements and compounds, such as carbon, nitrogen, boron, etc. Among them, the reaction of chromium and oxygen is the most important, and different valence states of chromium oxides can be formed at high temperatures, such as chromium trioxide, chromium trioxide, and chromium pentaoxide.

Features of Chromium Powder :

The color of chrome powder is silver-white and has anti-oxidation and corrosion-resistant metal properties.

Chromium powder has a high melting point and hardness and has high chemical stability to air and water at room temperature.

Chromium powder can be used as light - and heat-resistant coatings, as colorants for abrasives, glass, and ceramics, and as catalysts for chemical synthesis.

Chromium powder can also be used in semiconductors, conductive coatings, chemical catalysts, and solar energy absorbers.

Advantages of Chromium Powder :

Wide range of applications: chromium powder has important applications in many fields, including metallurgy, electronics, the chemical industry, glass coating, aerospace, welding rods, and other fields. 

Excellent chemical stability: Chromium powder has high chemical stability in air and water at room temperature, making it stable in various environments.

Unique physical properties: Chromium powder is characterized by high melting point and hardness, making it unique in some applications requiring high strength and wear resistance.

High catalytic performance: chromium powder can be used as a chemical synthesis catalyst, accelerating the chemical reaction and improving production efficiency.

Environmental protection: In the production process, using some advanced processes and equipment, such as a mechanical grinding classifier, can achieve low energy consumption, low wear, and low dust pollution production, which is conducive to environmental protection.

Application of Chromium Powder :

Plating: 

Chromium powder is a commonly used material in electroplating, mainly used in decorative electroplating and wear resistance electroplating. In decorative electroplating, chromium powder can form a variety of beautiful colors and luster, which is widely used in automotive, aerospace, electronic products, and other fields. In wear-resistant electroplating, chromium powder can form a very hard coating that improves the wear and corrosion resistance of the product. 

Alloy additives: 

Chromium powder can be alloyed with other metals to improve corrosion resistance and high-temperature properties of the alloy. For example, the higher the chromium content in stainless steel, the better its corrosion resistance and high-temperature properties. Chromium powder can also be used to make alloy materials such as nickel-chromium and chromium-aluminum alloy, which are widely used to manufacture high-precision parts and electronic components. 

High-temperature material: 

Chromium powder and its alloys have good properties at high temperatures and can manufacture high-temperature materials such as stoves and rocket engine components. For example, nozzles and combustion chambers in rocket engines require materials resistant to high temperatures and corrosion, and parts made of chromium powder and its alloys can meet these requirements. 

Catalyst: 

Chromium oxides can be used as catalysts for many chemical reactions, such as ammonia synthesis, methanation, etc. In these reactions, chromium oxides can promote the chemical reaction and improve the product's efficiency and purity. 

Electronics Industry: 

Chromium powder is also widely used in the electronics industry. For example, chromium powder can be used to make electroplating on circuit boards, improving the electrical conductivity and stability of the circuit. In addition, chromium powder can also be used to manufacture new energy products such as batteries and solar cells to improve product performance and stability.

Company Profile：

Synthetic Chemical is a trusted global chemical material supplier & manufacturer with over 12 years of experience providing super high-quality chemicals and nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.

The company has a professional technical department and Quality Supervision Department, a well-equipped laboratory with advanced testing equipment, and an after-sales customer service center.

If you are looking for high-quality Chromium powder , please feel free to contact us or click on the needed products to send an inquiry. 

Payment Term：

L/C, T/T, Western Union, Paypal, Credit Card etc.

Shipment Term：

By sea, by air, by express, as customers request.

Storage Conditions：

1) Store in a dry environment at room temperature.

2) Avoid damp and high temperatures.

3) Use immediately after opening the inner packing bag.

FAQ：

Q1:

What is the density of chromium powder? 

The density of chromium powder varies depending on its preparation method and particle structure. In general, chromium has a density of about 7.19 grams per cubic centimeter (g/cm³). However, when chromium is processed into a powder, its packing density is usually lower than this value due to the voids and surface effects between the particles.

Packing density refers to the mass of the powder per unit volume, including the mass of the powder particles themselves and the volume of the space between the particles. The bulk density of chromium powder is usually between 2.5 and 4.5 grams per cubic centimeter (g/cm³), depending on the particle size, shape, surface roughness, and powder preparation process.

Q2:

What are the compounds of chromium? 

Chromite: This is a natural ore, the main component of iron chromate.

Chromium Oxide (Chromium Oxide): Cr2O3 is a common chromium oxide chemical formula.

Chromium Trioxide (Chromium Trioxide): The chemical formula CrO3 is also a common oxide of chromium with strong oxidation.

Chromium Chloride (Chromium Chloride): The chemical formula CrCl3 is a chromium chloride.

Sodium Chromate: The chemical formula Na2CrO4 is a salt of chromium.

Q3:

What are the applications of chromium in food processing? 

Preservatives: Certain chromium compounds can be used as preservatives in food processing to extend the shelf life of food and prevent food spoilage and spoilage.

Nutrient fortifier: Chromium is one of the essential trace elements of the human body, which increases high-density lipoprotein, reduces serum cholesterol, and can prevent atherosclerosis. Therefore, chromium can be added to food as a nutritional fortification agent, such as flour, milk powder, beverages and other foods to increase the nutritional value of food.

Q4:

Where is chrome powder applied? 

Chemical industry: Chromium powder is used as a catalyst and mordant in the chemical industry, such as catalyzing oxidation, hydrogenation, rearrangement and other reactions of organic matter through oxidation reactions. In addition, chromium powder is also used to manufacture pigments, dyes, pigment additives, and so on.

Building materials: Chromium powder can be an important raw material for manufacturing cement, concrete, refractory, and other building materials. The chromium element in chromium powder can improve building materials' strength, wear resistance, and high-temperature resistance so that building materials have better compression, tensile, and impact resistance.

Ceramic industry: In the ceramic industry, chromium powder is commonly used as an additive to pigments and glazes, giving ceramic products rich color and luster. The chromium element in the chromium powder can exist stably at high temperature, and has good fire resistance and chemical erosion resistance, so the ceramic products have better decorative effect and corrosion resistance.

Q5:

What are the environmental protection measures for chromium powder? 

Control of the production process: In producing chromium powder, advanced production technology and equipment should be adopted to reduce the production of waste gas, wastewater, and solid waste. At the same time, strengthen the environmental monitoring in the production process to ensure that the pollutants discharged meet the national or local emission standards.

Resource recycling: Waste generated in the production process should be recycled as much as possible. For example, wastewater and waste residue can be reused after treatment, reducing the waste of resources and pollution to the environment.

Waste treatment: For waste that cannot be recycled, appropriate treatment methods should be adopted, such as safe landfills, incineration, etc. Environmental protection regulations should be strictly observed to ensure that the treatment process will not cause secondary pollution to the environment.

Chromium powder COA:

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