Indium Powder

Indium powder is a fine granular substance of indium that has similar properties to indium particles but has a higher surface area and reactivity. Here are some of the main properties of indium powder:

Physical properties:

Color and condition: Indium powder is usually silvery white or gray, and its color is related to the degree of refinement of the particle. Indium powder is a solid substance, but it is very fine.

Surface activity: Indium powder has high reactivity due to its high surface area and high surface energy. It can react with other substances, including oxidation, reduction, intermetallic combination, etc.

Chemical properties:

Oxidation: At room temperature and pressure, indium powder reacts slowly with oxygen in the air, but under high-temperature conditions, the reaction rate will be accelerated. The resulting oxide film further protects the indium powder from oxidation.

Reducibility: Indium powder can be reduced to metal indium in a high-temperature reduction atmosphere. For example, reduction reactions can occur when heated to high temperatures in the presence of reducing agents such as hydrogen or carbon monoxide.

Reaction with other elements: Indium powder can react with other metals and non-metallic elements to produce various compounds, such as chloride, fluoride, sulfide, etc. These compounds have different properties and uses.

Electronics industry: Indium powder has been widely used in the electronics industry, mainly to manufacture various electronic components. Because of its good electrical conductivity and plasticity, it is easy to process into various shapes, so it is often used to manufacture integrated circuit boards, connectors, terminals, and so on. In addition, indium powder can also be used to manufacture photoelectric materials and electronic paste.

Photoelectric materials: Indium powder also has a wide range of applications in photoelectric materials, such as manufacturing photoelectric devices, phototransistors, photomultiplier tubes, etc. These photoelectric materials can be used in light detection, photoelectric signal conversion, optical communication, and other fields.

Catalyst: Indium powder can be a catalyst in many chemical reactions. It is an efficient and environmentally friendly catalyst material with high catalytic activity, long life, and reusable.

Ceramic materials: Indium powder can be used to manufacture ceramic materials, such as toughened ceramics, transparent ceramics, etc. These ceramic materials have the advantages of high strength, high hardness, high-temperature resistance, etc., and can be used in machinery manufacturing, aerospace, automotive, and other fields.

Biomedical: Indium powder has good biocompatibility and chemical stability, so it also has certain applications in the biomedical field, such as drug carriers, drug preparation, and so on.

In the new energy field, indium powder can make electrode materials for solar panels and fuel cells. These materials need good electrical conductivity and chemical stability, and indium powder has these characteristics, so it is a promising energy material.

Coating material: Indium powder can prepare various coating materials, such as metal matrix composite materials, polymer composite materials, etc. These coating materials can improve the substrate's wear resistance, corrosion resistance, and insulation properties and are widely used in machinery manufacturing, aerospace, and other fields.

Functional material: Indium powder can also be used as a functional material, such as in manufacturing infrared optical components, magnetic materials, etc. These functional materials have wide application prospects in military, aerospace, electronics, and other fields.

Production Method of Indium Powder ：
Electrolytic method
Electrolysis is a method of separating indium from its compounds by an electrolytic process. The method consists of the following steps:
(1) The raw material containing indium is mixed with water to dissolve the indium in it.
(2) The solution containing indium ions is electrolyzed and electrified to precipitate indium on the cathode.
(3) The precipitated indium is collected and refined.
The advantages of electrolysis are that the process is simple, easy to operate, and high-purity indium can be obtained. However, the disadvantage of this method is that it has high energy consumption and requires a large amount of water.
Extraction method
Extraction is a method of separating indium from its mixture by using a specific extractant. The method consists of the following steps:
(1) The raw material containing indium is mixed with a strong acid (such as hydrochloric acid) to dissolve the indium in it.
(2) The solution containing indium ion is mixed with the organic extractant so that the indium ion reacts with the extractant to generate an organic complex.
(3) Electrochemical reduction of the organic complex so that indium is electrodeposited from the complex to the cathode.
(4) The electrodeposited indium is collected and refined.
The advantage of the extraction method is that it can achieve efficient separation and purification of indium, and the equipment and process used are relatively simple. However, the disadvantage of this method is that it needs to use a large amount of organic extractants, and the operation process is complicated.
Reduction method
The reduction process reduces indium from its compounds to the metal indium by a reducing agent. The method consists of the following steps:
(1) A precipitating agent is added to a solution containing indium ions so that indium ions form a precipitate.
(2) Add a reducing agent to reduce the residue to metal indium.
(3) The reduced metal indium is refined and purified.
The advantage of the reduction method is that the process is simple, easy to operate, and can obtain high-purity metal indium. However, the disadvantage of this method is that it needs to use a large amount of reducing agent, and the operation process is complicated.


Storage Condition of Indium Powder :
It should be stored in a clean, dry place without acid or alkali atmosphere. It should be protected from moisture during transport and should not be subjected to violent collisions. When loading and unloading, it should be handled gently to prevent the packaging from breaking and to avoid the introduction of impurities. Indium is a rare mineral on its own, and is mostly found in tin, lead, antimony and zinc ores. Avoid contact with strong oxidising agents and acids. Soluble in concentrated inorganic acids, very slightly soluble in sodium hydroxide solution, insoluble in water. Indium is found in 10-5% of the earth's crust, and is rarely found in minerals alone, most of which are associated with tin, lead, antimony and zinc.

Packing & Shipping of Indium Powder :
We have many different kinds of packing which depend on the indium powder quantity.
Indium powder packing: vacuum packing, 100g, 500g or 1kg/bag, 25kg/barrel, or as your request.
Indium powder shipping: could be shipped out by sea, by air, by express as soon as possible once payment receipt.

Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted global chemical material supplier & manufacturer with over 12 years of experience in providing super high-quality chemicals and Nanomaterials, including boride powder, nitride powder, graphite powder, sulfide powder, 3D printing powder, etc.

If you are looking for high-quality Indium Powder, please feel free to contact us and send an inquiry. ([email protected])