This high-stability aluminum hydroxide functional filler exhibits excellent thermal resistance, chemical inertness, and mechanical strength, making it ideal for high-end composite applications in demanding environments. Through specialized surface treatment technology, it maintains stable performance even under high temperatures, humidity, and acidic/alkaline conditions, significantly enhancing the anti-aging properties and mechanical performance of substrate materials.
This high-stability aluminum hydroxide functional filler exhibits excellent thermal resistance, chemical inertness, and mechanical strength, making it ideal for high-end composite applications in demanding environments. Through specialized surface treatment technology, it maintains stable performance even under high temperatures, humidity, and acidic/alkaline conditions, significantly enhancing the anti-aging properties and mechanical performance of substrate materials.
Key Features:
High Thermal Stability: Decomposition temperature ≥200°C, suitable for high-temperature processing Low Moisture Absorption: Water content ≤0.3%, excellent moisture resistance Chemical Inertness: Resistant to acid/alkali corrosion, no adverse reactions with substrates High Loading Capacity: Uniform particle size distribution (D50 0.5-20μm), optimized filling efficiency Eco-Friendly & Safe: Complies with RoHS/REACH standards, free of heavy metals
Specifications:
Parameter
Specification
Chemical Formula
Al(OH)3
Purity
≥99.5%
Particle Size (D50)
0.5-20μm (customizable)
Whiteness
≥95%
Moisture Content
≤0.3%
LOI (Loss on Ignition)
≤34.5%
Oil Absorption
≤30ml/100g
pH Value
8-10 (neutral to slightly alkaline)
Item
Unit
Typical Values
Exterior
/
white powder
Density
kg/m³
2.65 ×103
Moh's hardness
/
4
Coefficient of linear expansion
1/k
14×10-6
Oil factor
g/100g
31
Applications
Advanced Composites: Enhances mechanical strength and heat resistance of epoxy/unsaturated polyester resins Electronic Encapsulation: Flame-retardant and insulating filler for IC packaging & PCB substrates High-Performance Coatings: Improves weather resistance and adhesion of fireproof coatings Engineering Plastics: Flame-retardant modifier for PA, PBT, and other high-temperature plastics Rubber Products: Enhances anti-aging properties of silicone rubber/EPDM
Advantages
Long-Term Stability: <5% performance degradation in humid/UV environments Excellent Dispersion: Surface-modified for superior compatibility with resins/plastics Multifunctional: Combines flame retardancy, reinforcement, and insulation Custom Solutions: Tailored particle sizes and surface treatments available
Packaging & Storage
Packaging: 25kg/bag (moisture-proof composite bags) or as requested Storage: Keep in cool, dry conditions (recommended humidity <60%)
Why Choose Us?
Strict QC: ISO 9001-certified factory with batch COA reports Technical Support: Free application guidance and sample testing Global Supply: Reliable OEM/ODM services for EU/SEA markets
An excellent manufacturing enterprise
The company has 20 patents, the company has passed ISO9001 and ISO14001 certification, and has been recognized as a national high-tech enterprise
Product Description:
This high-stability aluminum hydroxide functional filler exhibits excellent thermal resistance, chemical inertness, and mechanical strength, making it ideal for high-end composite applications in demanding environments. Through specialized surface treatment technology, it maintains stable performance even under high temperatures, humidity, and acidic/alkaline conditions, significantly enhancing the anti-aging properties and mechanical performance of substrate materials.
Key Features:
High Thermal Stability: Decomposition temperature ≥200°C, suitable for high-temperature processing Low Moisture Absorption: Water content ≤0.3%, excellent moisture resistance Chemical Inertness: Resistant to acid/alkali corrosion, no adverse reactions with substrates High Loading Capacity: Uniform particle size distribution (D50 0.5-20μm), optimized filling efficiency Eco-Friendly & Safe: Complies with RoHS/REACH standards, free of heavy metals
Specifications:
Parameter
Specification
Chemical Formula
Al(OH)3
Purity
≥99.5%
Particle Size (D50)
0.5-20μm (customizable)
Whiteness
≥95%
Moisture Content
≤0.3%
LOI (Loss on Ignition)
≤34.5%
Oil Absorption
≤30ml/100g
pH Value
8-10 (neutral to slightly alkaline)
Item
Unit
Typical Values
Exterior
/
white powder
Density
kg/m³
2.65 ×103
Moh's hardness
/
4
Coefficient of linear expansion
1/k
14×10-6
Oil factor
g/100g
31
Applications
Advanced Composites: Enhances mechanical strength and heat resistance of epoxy/unsaturated polyester resins Electronic Encapsulation: Flame-retardant and insulating filler for IC packaging & PCB substrates High-Performance Coatings: Improves weather resistance and adhesion of fireproof coatings Engineering Plastics: Flame-retardant modifier for PA, PBT, and other high-temperature plastics Rubber Products: Enhances anti-aging properties of silicone rubber/EPDM
Advantages
Long-Term Stability: <5% performance degradation in humid/UV environments Excellent Dispersion: Surface-modified for superior compatibility with resins/plastics Multifunctional: Combines flame retardancy, reinforcement, and insulation Custom Solutions: Tailored particle sizes and surface treatments available
Packaging & Storage
Packaging: 25kg/bag (moisture-proof composite bags) or as requested Storage: Keep in cool, dry conditions (recommended humidity <60%)
Why Choose Us?
Strict QC: ISO 9001-certified factory with batch COA reports Technical Support: Free application guidance and sample testing Global Supply: Reliable OEM/ODM services for EU/SEA markets
An excellent manufacturing enterprise
The company has 20 patents, the company has passed ISO9001 and ISO14001 certification, and has been recognized as a national high-tech enterprise
