Surface-Modified Fused Silica Powder (High-Purity Nano/Micron Grade)

• 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

Key Selling Points

 Ultra-High Purity: SiO₂ content ≥99%, low metal ion impurities
 Precise Particle Size: Adjustable D50 0.5-50μm, customizable grading available
 Surface Modification: Treated with silane coupling agents for enhanced compatibility with resins/rubbers
 Stable Performance: Low oil absorption, high dispersibility, and high-temperature resistance (>1600°C)

Technical Parameters

Parameter	Value Range
Purity (SiO2)	≥99%
Median Particle Size (D50)	0.5μm-50μm (customizable)
Whiteness	≥92%
Specific Surface Area	2-30 m²/g (varies by particle size)
Loss on Ignition	≤0.8%
Moisture Content	≤0.5%

Application Fields
 
Electronic Materials: IC packaging filler, thermal conductive materials for copper-clad laminates
 Polymer Composites: Silicone rubber reinforcement, epoxy resin flow modification
 Coatings Industry: Functional filler for wear-resistant coatings, anti-corrosion coatings
 Advanced Ceramics: Ceramic sintering aid, structural ceramic raw material
 Others: 3D printing materials, dental materials, cosmetic sunscreen agents

Product Advantages

✓ Strict Quality Control: Dual verification via laser particle size analyzer + ICP purity testing
✓ Customization Service: Supports hydrophobic/hydrophilic surface treatment and special coating requirements
✓ Production Capacity: Monthly output of 200 tons, stable delivery
✓ Compliance Certifications: Meets RoHS/REACH standards, MSDS reports provided

Packaging & Shipping

• 
  Standard Packaging: 25kg/bag

• Special Packaging: Available upon request (1kg sample bags or ton bags)

• Storage Conditions: Cool, dry environment; avoid bag breakage and moisture

FAQ

Q: Can samples be provided for testing?
A: Free samples (up to 500g, limited to 3 specifications) are available upon providing application details.

Q: Does surface modification affect purity?
A: The modification layer only coats particle surfaces; FTIR testing confirms purity remains ≥99%.

Q: What is the minimum order quantity (MOQ)?
A: 1 MT for standard specifications; 500kg for customized specifications.

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