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Quartz Ceramics

Surface-Modified Silica Powder

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Surface-Modified Silica Powder is a high-performance glass-phase silica powder material made from natural quartz and other inorganic non-metallic minerals. It has excellent flowability, stability, and high-temperature resistance. Heeger Materials is a professional supplier and manufacturer of high-quality surface-modified silica powder, offering customized solutions and competitive prices.

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Data sheet

Particle Size0.5-10 μm, or customized
Density2.59 g/cm3
Materialssilicon dioxide, SiO2
AppearanceWhite powder

More info

Surface-Modified Silica Powder is processed through precise blending, melting, cooling, crushing, grinding, and classification techniques. It is a high-performance glass-phase silica powder material made from natural quartz and other inorganic non-metallic minerals. It offers excellent flowability, stability, and high-temperature resistance, making it widely used in industries such as electronics, optoelectronics, coatings, and plastics. Available in a wide range of purities and particle sizes, HM's Silica Powder meets the highest standards of quality and reliability for demanding applications.

Surface-Modified Silica Powder

Surface-Modified Silica Powder Basic Properties

Item

Unit

Typical Value

Appearance

/

White Powder

Density

kg/m3

2.59×103

Mohs hardness

/

5

Dielectric constant

/

5.0(1MHz)

Dielectric loss

/

0.003(1MHz)

Coefficient of linear expansion

1/K

3.8×10-6

Surface-Modified Silica Powder Specifications

Item

Parameter

Specifications

Purity

SiOcontent

60-70%, stable chemical composition, ensuring consistent performance.

Ionic Impurities

Na+, Cl-, etc.

Impurities can be controlled to below 5 ppm.

Particle Size Distribution

D50

D50=0.5-10µm, or customized.

PSD

Adjustable based on standard profiles to meet specific requirements, including multimodal and narrow distributions.

Surface Properties

Hydrophobicity, Oil Absorption, etc.

Surface modification can be achieved using various functional agents to meet customer requirements.

Surface-Modified Silica Powder SEM

Surface-Modified Silica Powder SEM

Surface-Modified Silica Powder Applications

  • Electronic packaging materials: Used for packaging integrated circuits and semiconductor components to enhance heat dissipation and insulation
  • Epoxy resin potting compounds: Improve fluidity, mechanical strength, and thermal stability of the gel
  • Coatings and surface layers: Enhance wear resistance, corrosion resistance, and surface smoothness
  • Plastic modification: Increase rigidity, heat resistance, and dimensional stability of engineering plastics
  • Rubber reinforcement: Acts as a reinforcing filler to improve the tear resistance and elasticity of rubber products
  • Adhesives: Optimize bonding strength, aging resistance, and processing performance
  • Ceramic materials: Used in precision ceramic manufacturing to improve sintering density and mechanical properties
  • Thermal interface materials: Applied in thermal greases and pads for electronic devices

Surface-Modified Silica Powder Packing And Shipping

The Surface-Modified Silica Powder is securely packed in wooden crates or cartons, reinforced with cushioning materials to prevent movement during transit. This packaging approach ensures that the products remain intact and protected throughout the shipping process.

Surface-Modified Silica Powder Packing

Where to Buy Surface-Modified Silica Powder in Bulk?

Heeger Materials Inc., a professional supplier and manufacturer of high-quality Quartz Ceramic products including Surface-Modified Silica Powder, leverages extensive expertise in supply and export to offer competitive prices. We provide customized solutions to meet specific requirements, ensuring exceptional quality and customer satisfaction.

Heeger Materials Inc. was established in 2016 in Colorado, USA. We specialize in premium-grade metals, alloys, ceramics, powders, and other materials catering to research, development, and large-scale industrial production in scientific and industrial sectors. 

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