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Microsilica - Product

Microsilica

Microsilica, also known as Silica Fume, is a byproduct of the silicon and ferrosilicon production process. It consists of very fine, amorphous silicon dioxide (SiO₂) particles that are collected from the flue gases of electric arc furnaces. Microsilica is used as a supplementary cementitious material in concrete and other applications due to its high pozzolanic reactivity and particle fineness.

  • Product Category: Abrasive & Material
  • Key Features:
  • Fine Particle Size: Microsilica particles are extremely fine, typically ranging from 0.1 to 1.0 micrometers, providing a high surface area for chemical reactions.
  • High Pozzolanic Reactivity: Reacts with calcium hydroxide in cement to form additional calcium silicate hydrate, improving the strength and durability of concrete.
  • Enhanced Durability: Improves the durability and resistance of concrete to environmental factors such as moisture, chemicals, and high temperatures.
  • Low Bulk Density: The fine particles result in a low bulk density, which can enhance the workability and consistency of concrete mixtures.
Applications:

Concrete: Used as a supplementary cementitious material in concrete to enhance strength, durability, and workability. Commonly applied in high-performance concrete, self-compacting concrete, and in applications requiring resistance to aggressive environments.

Refractories: Employed in refractory materials to improve thermal stability and resistance to high temperatures.

Mortars and Grouts: Added to mortars and grouts to enhance their performance, including strength, adhesion, and resistance to chemical attack.

Ceramics: Used in the manufacture of ceramics and advanced materials to improve properties such as strength and thermal resistance.

Industrial Coatings: Incorporated into industrial coatings to enhance performance characteristics like abrasion resistance and durability.

Technical Specifications:

Chemical Composition: High-purity silicon dioxide (SiO₂), typically ≥ 85% SiO₂

Particle Size: Typically ranges from 0.1 to 1.0 micrometers

Density: Approximately 2.0-2.5 g/cm³

Specific Surface Area: High specific surface area, contributing to its pozzolanic reactivity

Moisture Content: Typically < 1%

Advantages:

Enhanced Concrete Properties: Improves the strength, durability, and workability of concrete and other cementitious materials.

Improved Durability: Provides resistance to chemical attacks, moisture, and high temperatures, extending the lifespan of concrete structures.

High Reactivity: The fine particle size and high reactivity ensure effective performance in a variety of applications.

Versatility: Suitable for use in a wide range of applications, from construction and refractories to coatings and ceramics.

Packaging:
Available in various packaging options, including 25 kg bags, 500 kg bulk bags, or according to customer specifications.
Storage:

Store in a dry, cool place. Ensure containers are tightly sealed to prevent moisture absorption and contamination.

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