Why Choose Hydrophobic Silica Aerogel Powder
In many insulation systems and functional materials, traditional fillers often face limitations such as high density, poor moisture resistance, or limited thermal performance. Hydrophobic silica aerogel powder offers an innovative solution to overcome these challenges.
Improve Thermal Insulation Efficiency
The nano-porous structure significantly reduces heat transfer, making it one of the most effective insulation materials available.
Maintain Performance in Humid Conditions
Surface-modified aerogel particles exhibit strong hydrophobicity, preventing moisture absorption that could degrade insulation performance.
Reduce Material Weight
With extremely low density, aerogel powder enables lightweight insulation systems and advanced composite materials.
Enhance Material Formulation Flexibility
The powder form allows easy incorporation into coatings, polymers, and composite systems.
Long-Term Performance Stability
The aerogel structure remains stable over long-term use.
Higher Material Value
Aerogel powder enables manufacturers to develop high-performance functional materials.
● Ultra-Low Thermal Conductivity
The highly porous nano-structure effectively minimizes heat conduction, convection, and radiation, delivering exceptional insulation performance.
● Excellent Hydrophobicity
Hydrophobic surface treatment provides strong water resistance, ensuring long-term stability in humid or outdoor environments.
● High Porosity & Large Surface Area
The aerogel structure contains up to 90–99% air, providing outstanding insulation capability and functional material performance.
● Lightweight Functional Filler
Low density allows manufacturers to reduce overall material weight while improving thermal properties.
● Easy Integration in Multiple Systems
Compatible with coatings, polymers, construction materials, and advanced composites.
Typical Physical Properties Of Aerogel Powder
| Property | Typical Value |
|---|---|
| Appearance | White Powder |
| Composition | Silica Aerogel |
| Particle Size | 10–50 μm |
| Density | 0.03 – 0.15 g/cm³ |
| Thermal Conductivity | 0.018 – 0.023 W/m·K |
| Hydrophobic Angle | ≥135° |
| Specific Surface Area | 600 – 800 m²/g |
| Porosity | ≥90% |
Where Aerogel Powder Is Used
● Thermal Insulation Coatings
Used in building and industrial insulation coating systems.
● Industrial Insulation Materials
Suitable for pipelines, storage tanks, and equipment insulation.
● Building Energy Materials
Improves thermal performance of construction materials.
● Composite Materials
Used as a lightweight functional filler in polymer composites.
● Advanced Industrial Applications
Applied in aerospace and high-performance material systems.
Frequently Asked Questions About Aerogel Powder
1.What is aerogel powder?
Aerogel powder is a nano-porous material typically made from silica. It is known for extremely low thermal conductivity and lightweight structure, making it an advanced insulation material.
2.What materials can aerogel powder be used in?
Common applications include:
● Thermal insulation coatings
● Industrial insulation materials
● Building energy-saving materials
● Polymer composite materials
3.Is aerogel powder affected by humidity?
Hydrophobic aerogel powder has been surface-modified to repel water, allowing it to maintain insulation performance even in humid environments.
4.How is aerogel powder added to materials?
Aerogel powder can be mixed into coatings or composite materials using standard mechanical mixing or dispersion equipment.
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