This high-purity ultrafine aluminum hydroxide powder features uniform particle size distribution (controllable D50 0.5-20μm), excellent dispersibility, and chemical stability. Manufactured using advanced processes, it offers high whiteness (≥94%) and low impurity content, making it ideal for premium flame retardant applications, coatings, and electronic packaging.
Our Ultra-fine Aluminum Hydroxide Powder is a high-performance, eco-friendly functional additive and flame retardant, manufactured via advanced precision processing technology to meet the rigorous demands of industrial formulation and production. With a controllable D50 particle size range of 0.5-20μm, this high purity aluminum hydroxide powder features uniform particle distribution, exceptional dispersibility, and excellent chemical stability, with a minimum Al(OH)₃ purity of ≥99.6% and whiteness of ≥94%. Designed for commercial purchasers and manufacturing enterprises requiring consistent, high-quality functional fillers, our product minimizes impurity content to ensure stable performance in even the most demanding formulations, with full batch quality control aligned with international industry standards.
Product Specifications
Parameter
Unit
Standard Specification
Al(OH)₃ Purity
%
≥99.6
Al₂O₃ Content
%
≥64
Particle Size (D50)
μm
0.5-20 (customizable)
Whiteness
%
≥94
Moisture Content
%
≤0.5
Density
kg/m³
2.65×10⊃3;
Mohs Hardness
/
4
Linear Expansion Coefficient
1/K
14×10⁻⁶
pH Value (10% Suspension)
/
7
Oil Absorption Value
g/100g
31
Serial Number
Project
Unit
Indicators
1
AL（OH）3
% ≥
99.6
2
Al2O3
% ≥
64
3
SiO2
%＜
0.04
4
Fe2O3
%＜
0.02
5
Na2O
%＜
0.3
6
Whiteness ratio
% ≥
93
7
Caustic soda
%
34.5±0.5
Key Advantages of Our Ultra-fine Aluminum Hydroxide Powder
Eco-Friendly High-Efficiency Flame Retardancy
Our aluminum hydroxide flame retardant powder delivers outstanding flame retardant and smoke suppression performance without releasing toxic or corrosive gases during combustion, making it a safe, eco-friendly alternative to halogenated flame retardants for polymer materials.
Ultra-fine Particle Size & Superior Dispersion
The precisely controlled ultra-fine particle structure ensures excellent dispersion in various resin, rubber, and coating systems, avoiding agglomeration and maintaining the mechanical properties of the base material while maximizing functional performance.
High Purity & High Whiteness for Premium Formulations
With ultra-low impurity content and high whiteness ≥94%, this high whiteness Al(OH)₃ powder does not affect the color of the final product, making it ideal for light-colored and transparent formulations in high-end coatings and decorative materials.
Wide Compatibility & Customizable Performance
Our 0.5-20μm aluminum hydroxide powder is compatible with most industrial polymer systems, with fully customizable particle size distribution to match the specific processing and performance needs of different manufacturing processes.
Industrial Applications
Polymer & Cable Compound Flame Retardancy
Widely used as a core flame retardant additive in plastics, rubber, and cable insulation compounds, essential for wire and cable, building materials, and automotive interior manufacturing.
Enhances the thermal resistance, anti-settling performance, and weather resistance of coatings, while improving surface smoothness for industrial, architectural, and decorative coating applications.
Electronic Insulation & Ceramic Substrates
Used as a functional additive in electronic ceramic substrates and insulation materials, optimizing the sintering performance and electrical insulation of electronic components.
Adhesives, Sealants & Thermoset Resins
Adjusts the rheological properties of adhesives and sealants, improves thermal stability, and enhances mechanical strength for industrial bonding and sealing applications.
FAQ
What is the purity level of your ultra-fine aluminum hydroxide powder?
Our standard product has a minimum Al(OH)₃ purity of ≥99.6%, with Al₂O₃ content ≥64%, and strictly controlled trace impurities to meet the needs of high-end industrial applications.
Can you customize the particle size of the aluminum hydroxide powder?
Yes. We offer full customization of the D50 particle size within the range of 0.5-20μm, with tailored particle size distribution to match your specific formulation and processing requirements.
What quality certifications do your products have?
Our enterprise has passed ISO 9001 quality management system and ISO 14001 environmental management system certification, and all products comply with EU ROHS green environmental protection standards. We are also a nationally recognized high-tech enterprise with 20+ patents in powder manufacturing technology.
What packaging options are available for bulk orders?
Our standard packaging is 25kg moisture-proof composite bags, which can be customized according to your bulk storage and transportation needs.
Our Ultra-fine Aluminum Hydroxide Powder is a high-performance, eco-friendly functional additive and flame retardant, manufactured via advanced precision processing technology to meet the rigorous demands of industrial formulation and production. With a controllable D50 particle size range of 0.5-20μm, this high purity aluminum hydroxide powder features uniform particle distribution, exceptional dispersibility, and excellent chemical stability, with a minimum Al(OH)₃ purity of ≥99.6% and whiteness of ≥94%. Designed for commercial purchasers and manufacturing enterprises requiring consistent, high-quality functional fillers, our product minimizes impurity content to ensure stable performance in even the most demanding formulations, with full batch quality control aligned with international industry standards.
Product Specifications
Parameter
Unit
Standard Specification
Al(OH)₃ Purity
%
≥99.6
Al₂O₃ Content
%
≥64
Particle Size (D50)
μm
0.5-20 (customizable)
Whiteness
%
≥94
Moisture Content
%
≤0.5
Density
kg/m³
2.65×10⊃3;
Mohs Hardness
/
4
Linear Expansion Coefficient
1/K
14×10⁻⁶
pH Value (10% Suspension)
/
7
Oil Absorption Value
g/100g
31
Serial Number
Project
Unit
Indicators
1
AL（OH）3
% ≥
99.6
2
Al2O3
% ≥
64
3
SiO2
%＜
0.04
4
Fe2O3
%＜
0.02
5
Na2O
%＜
0.3
6
Whiteness ratio
% ≥
93
7
Caustic soda
%
34.5±0.5
Key Advantages of Our Ultra-fine Aluminum Hydroxide Powder
Eco-Friendly High-Efficiency Flame Retardancy
Our aluminum hydroxide flame retardant powder delivers outstanding flame retardant and smoke suppression performance without releasing toxic or corrosive gases during combustion, making it a safe, eco-friendly alternative to halogenated flame retardants for polymer materials.
Ultra-fine Particle Size & Superior Dispersion
The precisely controlled ultra-fine particle structure ensures excellent dispersion in various resin, rubber, and coating systems, avoiding agglomeration and maintaining the mechanical properties of the base material while maximizing functional performance.
High Purity & High Whiteness for Premium Formulations
With ultra-low impurity content and high whiteness ≥94%, this high whiteness Al(OH)₃ powder does not affect the color of the final product, making it ideal for light-colored and transparent formulations in high-end coatings and decorative materials.
Wide Compatibility & Customizable Performance
Our 0.5-20μm aluminum hydroxide powder is compatible with most industrial polymer systems, with fully customizable particle size distribution to match the specific processing and performance needs of different manufacturing processes.
Industrial Applications
Polymer & Cable Compound Flame Retardancy
Widely used as a core flame retardant additive in plastics, rubber, and cable insulation compounds, essential for wire and cable, building materials, and automotive interior manufacturing.
Enhances the thermal resistance, anti-settling performance, and weather resistance of coatings, while improving surface smoothness for industrial, architectural, and decorative coating applications.
Electronic Insulation & Ceramic Substrates
Used as a functional additive in electronic ceramic substrates and insulation materials, optimizing the sintering performance and electrical insulation of electronic components.
Adhesives, Sealants & Thermoset Resins
Adjusts the rheological properties of adhesives and sealants, improves thermal stability, and enhances mechanical strength for industrial bonding and sealing applications.
FAQ
What is the purity level of your ultra-fine aluminum hydroxide powder?
Our standard product has a minimum Al(OH)₃ purity of ≥99.6%, with Al₂O₃ content ≥64%, and strictly controlled trace impurities to meet the needs of high-end industrial applications.
Can you customize the particle size of the aluminum hydroxide powder?
Yes. We offer full customization of the D50 particle size within the range of 0.5-20μm, with tailored particle size distribution to match your specific formulation and processing requirements.
What quality certifications do your products have?
Our enterprise has passed ISO 9001 quality management system and ISO 14001 environmental management system certification, and all products comply with EU ROHS green environmental protection standards. We are also a nationally recognized high-tech enterprise with 20+ patents in powder manufacturing technology.
What packaging options are available for bulk orders?
Our standard packaging is 25kg moisture-proof composite bags, which can be customized according to your bulk storage and transportation needs.
