Ceramic-Reinforced Fused Silica Micro Powder

• Customization: Available
• Certification: ISO
• Application: Rubber, Plastic, Chemical, Construction, Metallurgy, Ceramic, Casting, Glass
• Model NO.: SF
• Transport Package: Paper Bag, Big Bag, Pallet
• Specification: SiO2>99%
• Trademark: ST
• Origin: Lianyungang, China
• HS Code: 32074000
• Production Capacity: 50000pieces/Year

Product Description

1. Product Overview
   
   Ceramic-reinforced fused silica micro powder is a high-purity, ultra-fine powder material produced using advanced fusion technology. It exhibits excellent chemical stability, high insulation, low thermal expansion coefficient, and superior dispersibility. With a purity of ≥99% and controllable particle size distribution (D50 adjustable from 0.5μm to 50μm), this product is widely used in ceramics, electronics, coatings, composite materials, and other fields, significantly enhancing mechanical strength, heat resistance, and dielectric properties.

2. 
   Key Parameters

Parameter	Value
Purity	≥99%
Particle Size (D50)	0.5μm-50μm (customizable)
Appearance	White ultra-fine powder
Density	2.2-2.6 g/cm³
Melting Point	≈1700ºC
Thermal Expansion Coefficient	0.5×10^-6/ºC (20-1000ºC)
Dielectric Constant	3.8-4.2 (1MHz)
Moisture Content	≤0.5%

1. 
   Product Features
   
    High Purity: ≥99% SiO₂ content with minimal impurities ensures stable material performance.
    Controllable Particle Size: D50 range of 0.5μm-50μm, supporting customized particle size distribution for diverse applications.
    Performance Enhancement: Significantly improves hardness, wear resistance, and thermal shock resistance when added to ceramics or composites.
    Low Thermal Expansion: Excellent compatibility with substrates, reducing the risk of stress cracking under high temperatures.
    Chemical Inertness: Resistant to acid and alkali corrosion, suitable for harsh environments.

2. 
   Applications
   
   Ceramics Industry: Used in structural ceramics and electronic ceramics (e.g., substrates, packaging materials) to enhance sintering density and mechanical strength.

Electronic Materials: Acts as a filler in epoxy resins and silicones to improve thermal conductivity, insulation, and dimensional stability.

Coatings: Enhances wear resistance, high-temperature resistance, and anti-corrosion properties of coatings.

Composite Materials: Reinforces the mechanical properties of plastics and rubber while reducing thermal expansion coefficients.

Precision Casting: Used in investment casting face coats to improve surface finish of castings.

1. 
   Packaging & Storage
   
   Packaging: 25kg/bag (moisture-proof aluminum foil bag + cardboard drum), or customized per customer requirements.

Storage: Store in a cool, dry place in a sealed container to prevent moisture absorption and caking.

1. 
   Service & Support

• 
  Free samples and technical consultation available.

• Customized solutions for particle size, surface treatment (e.g., hydrophobic modification), etc.

• Stable supply chain with fast delivery.

Why Choose Us?

 Made-in-China.com certified supplier, ensuring reliable quality and direct factory supply.
 Strict quality control system, compliant with ISO 9001 standards.
 Expert team providing application solutions to optimize product performance.

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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