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90% Undensified Silica Fume/ Microsilica

90% Undensified Silica Fume/ Microsilica

  • SiO₂: ≥90
  • Color: Grey
  • PH Value: 5-8
  • Bulk density: 230-400kg/m³
  • Application: High-performance concrete, high-grade refractory, baffle, silicon carbide cover plate

其他信息

Product Introduction

90% Undensified Silica Fume (Microsilica) is an ultra-fine powder composed of amorphous silicon dioxide (SiO₂) with a purity level of 90%. It is in a loose, fluffy form, offering exceptional reactivity and dispersion properties. This product is ideal for applications requiring maximum pozzolanic activity and is widely used in high-performance concrete, polymers, and chemical production.

Key Features

  • High Purity: 90% SiO₂ content ensures superior performance.
  • Ultra-Fine Powder: Loose, fluffy form with extremely fine particles (0.1–0.3 µm).
  • Exceptional Reactivity: High surface area ensures superior pozzolanic and filler effects.
  • Versatile Applications: Suitable for applications requiring maximum dispersion and reactivity.
  • Eco-Friendly: A sustainable byproduct that supports green construction practices.

Technical Specifications

Parameter

Value

SiO₂ Content

≥ 90%
Particle Size

0.1–0.3 µm (100–300 nm)

Specific Surface Area

15–30 m²/g
Bulk Density

230–400 kg/m³

Loss on Ignition (LOI)

≤ 3%
Moisture Content

≤ 2%

Packaging

25 kg bags or 500kg/ jumbo bag or customized

Applications

  • High-Performance Concrete (HPC): Maximizes strength and durability in specialized concrete.
  • Shotcrete and Grouting: Ensures excellent dispersion and reactivity.
  • Polymers and Composites: Acts as a filler to improve mechanical properties.
  • Chemical Production: Used as a raw material in various chemical processes.

Benefits

  • Superior dispersion and reactivity due to ultra-fine particles.
  • Ideal for applications requiring maximum pozzolanic activity.
  • Lightweight and easy to mix into various materials.

Packaging & Storage

  • Available in 25 kg bags or 500kg/ jumbo bag or customized packaging.
  • Store in a dry, cool place to prevent moisture absorption.

Why Choose Our 90% Undensified Silica Fume?

  • Consistent quality and high purity.
  • Customized solutions for specific applications.
  • Competitive pricing and reliable global supply.
  • Technical support and expert guidance.

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