High Purity Aluminum Hydroxide Powder with Controllable Particle Size (D50 0.5-30μ m Customizable)

• Customization: Available
• Certification: ISO
• Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass
• Model NO.: SY
• Transport Package: Paper Bag, Big Bag, Pallet
• Specification: AI2(OH)3>99%
• Trademark: ST
• Origin: Lianyungang, China
• HS Code: 2818300000
• Production Capacity: 50000pieces/Year

Product Description

product information:

Product Description:

 

This electronic-grade high-purity aluminum hydroxide powder is manufactured using advanced processes, featuring precisely controllable particle size distribution (customizable D50 0.5-20μm), high sphericity, and excellent dispersibility. Through strict particle size classification technology, it meets precise requirements for different applications, making it particularly suitable for high-end electronic packaging, thermal conductive materials, ceramic substrates, and other fields.
 

Key Features

 

 Precise Particle Size Control: Adjustable D50 0.5-30μm, supports narrow distribution customization
 High Purity & Low Impurities: Purity ≥99.9%, Na/K metal ion content ≤50ppm
 Excellent Thermal Stability: Decomposition temperature ≥200°C, suitable for high-temperature processing
 Superior Dispersion: Special surface treatment prevents agglomeration for uniform dispersion
 High Sphericity: Sphericity ≥95%, enhances packing density and flowability

Specifications: 
 

Parameter	Value
Chemical Formula	Al(OH)3
Average Particle Size (D50)	0.5-30μm (customizable)
Purity	≥99.9%
Whiteness	≥98%
Moisture Content	≤0.3%
Loss on Ignition	34.5±0.5%
Heavy Metal Content	≤10ppm
Specific Surface Area	2-15m²/g (adjustable)

Item	Unit	Typical Values
Exterior	/	white powder
Density	kg/m³	2.65 ×10^3
Moh's hardness	/	4
Coefficient of linear expansion	1/k	14×10^-6
Oil factor	g/100g	31

  

Applications

 

 Electronic Encapsulation: Flame-retardant filler for epoxy/silicone resins
 Thermal Interface Materials: Heat dissipation components for LEDs/IGBTs
 Advanced Ceramics: Additive for alumina substrates/electronic ceramics
 High-End Coatings: Enhances heat resistance & insulation properties
 Engineering Plastics: Flame-retardant reinforcement
 

Advantages

 

 Customization: Tailored particle size distribution available
 Batch Consistency: Advanced QC ensures product uniformity
 Technical Support: Application formula optimization guidance
 Fast Delivery: Standard specifications in stock, trial orders accepted
 

Packaging & Shipping

 

Standard: 25kg/bag (moisture-proof packaging)
Sample Options: 1kg/5kg available

 

Why Choose Us?

 

• 5+ Years in electronic materials R&D (ISO9001/14001 certified)
• Industry-leading particle size control technology
• Free samples and technical consultation
• Flexible MOQ: From 1kg for R&D needs
 

Company Information:

Jiangsu Shengtian New Materials Co., Ltd. has a technical research and development team focusing on ultra-fine powder materials, and has strong strength in the research and development and production of ultra-fine functional materials, composite materials and related applications, and has become a more influential high-tech enterprise in the ultra-fine functional powder industry.
The company's products include crystalline silicon powder, molten silicon powder, soft composite silicon powder, spherical silicon powder, aluminum oxide powder, ceramic powder, glass powder and other ten categories, nearly 100 kinds of different specifications of products, and has a strong modification, compounding and other follow-up deep processing technology and capabilities. The products are processed by special technology, the production technology is leading and innovative, and the introduction of international technical standards for similar products, widely used in electronic packaging, copper clad plate, ink coating, adhesive, ceramics, precision casting, glass fiber, plastic rubber and other industries, giving its functionality while helping customers reduce costs. And provide the overall application of technology solutions.
The company has more than 20 different types of production lines, more than 100 sets of domestic advanced equipment, with an annual output of 50,000 tons. The company adopts professional production and testing equipment and formulates strict production quality control system to conduct all-round control of product quality. All products of the company have passed SGS environmental protection testing, in line with the EU ROHS green environmental protection standards. The company took the lead in the silicon powder industry through the ISO9001 quality management system certification and ISO14001 environmental management system certification, has passed the high-tech product identification. The company's products and solutions have been applied to more than 160 enterprises around the world, including more than 80 customers with stable cooperation for more than 10 years.

Workshop:
 

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