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Ultrafine Silicon (Si) Powder

HM1872

New product

Silicon (Si) Powder, also known as industrial silicon powder, is processed from high-quality silicon metal blocks.  It is similar to carbon and tin and is considered extremely hard and brittle. Heeger Materials can provide the best Silicon (Si) Powder at a competitive price. The purity and particle size can be tailored based on specific requirements.

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Data sheet

Particle Size0-10 μm, 0-20 μm, 0-45 μm, 0-60 μm, 0-75 μm, 0-100 μm, 0-150 μm, 75-200 μm, or customized.
Molecular FormulaSi
Purity99.0%, 99.999%
CAS7440-21-3

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Ultrafine Silicon (Si) Powder is used in integrated circuits throughout the semiconductor industry. The powder offers thermal stability created from electrical fields and operating systems so components function without experiencing changes to their mechanical or structural properties.  

Ultrafine Silicon (Si) Powder

Ultrafine Silicon (Si) Powder Selection Notes

Ultrafine Silicon (Si) Powder belongs to the Semiconductor Materials range and is selected for controlled material quality, application-specific specifications and reliable supply for research or production use. It is commonly used in formulation, sintering, coating, filler, catalyst, electronic material and research use as well as research, development, specialty manufacturing, laboratory use and industrial material projects. When requesting a quote, confirm purity, particle size distribution, morphology, surface treatment, packaging and quantity.

Related Materials and Product Forms

For material comparison or adjacent product forms, browse all products, deposition materials, technical ceramics and Semiconductor Materials.

FAQ

Which powder specifications are needed for a quote? Please provide purity, particle size distribution, morphology, surface treatment, packaging, quantity and the intended process such as sintering, coating, filler use or research.

Silicon (Si) Powder Specifications

Product

Chemical Composition

HM-Si

 

2N (%)

3N (%)

4N (ppm)

5N (ppm)

Fe

0.5

0.05

20

2

Al

0.2

0.02

5

1

Ca

0.1

0.01

5

1

Ti

0.001

0.001

1

1

P

0.002

0.002

10

1

B

0.0035

0.0035

35

1

Particle Size

0-10 μm, 0-20 μm, 0-45 μm, 0-60 μm, 0-75 μm, 0-100 μm, 0-150 μm, 75-200 μm, or customized according to specific requirements.

Silicon (Si) Powder Properties

  • Good corrosion and oxidation resistance
  • Good waterproof performance
  • High-temperature resistance
  • Good electrical insulation

Silicon (Si) Powder Applications

  • Used in sprays and coatings on varying surfaces to create a sure bond.
  • Used to synthetic materials.
  • Used in lubricants and oils.
  • Used in integrated circuits throughout the semiconductor industry.
  • Used as a reducing agent in the iron and steelmaking process to remove impurities and enhance metal purity.
  • Used as an additive in the casting materials.

Silicon (Si) Powder Quality Control

Heeger Materials (HM) focuses on consistent supply and well-controlled quality products for customers.

  • We own a 1000-class clean laboratory, ICP-OES, and ICP-MS instruments for chemical elements testing.
  • We also have physical testing instruments for material size, resistivity, conduction type, powder flowability, and stacking density, etc. 

ultrafine silicon (Si) powder testing laboratory

Silicon (Si) Powder Storage and Packing

Silicon (Si)  Powder should be stored in a sealed container in a dry and cool place, and should not be exposed to air for an extended period of time. We offer vacuum-sealed packaging including 100g/bag, 500g/bag, 1kg/bag, and 25kg/drum, or we can offer customized packaging as per specific requirements.

Fine Silicon (Si) Powder Packing

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