Lithium Battery Separator 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

Core Selling Points

Key foundational material for 5G industry chain
Purity ≥ 99%, ultra-low impurity content
Precisely controlled particle size (D50 0.5-50μm)
Low dielectric constant/loss, compatible with high-frequency signal transmission
Thermal expansion coefficient matches semiconductor materials

Product Parameters

Indicator	Parameter Value
SiO2 Content	≥ 99%
Particle Size (D50)	0.5μm-50μm (customizable)
Whiteness	≥ 92%
Moisture Content	≤ 0.1%
Dielectric Constant	3.8-4.2 (1MHz)
Dielectric Loss	≤ 0.001
Morphology	Spherical/Near-spherical (electronic grade)

5G Industry Applications

▸ High-frequency PCB board filler ▸ Ceramic filter dielectric ▸ Chip packaging material
▸ Antenna cover composite material ▸ Thermal interface material ▸ Electronic ink additive

Product Advantages

High-Frequency Compatibility - Optimized dielectric properties, significantly reducing 5G millimeter-wave signal attenuation

Precision Processing - Laser particle size control technology, batch deviation < ±3%

Strong Stability - Certified with ISO 9001/14001 dual systems

Customization Service - Supports surface modification (e.g., silane coupling agent treatment)

Packaging & Shipping

  25kg/cardboard drum (PE-lined)
Custom packaging available upon request

Technical Q&A

Q: How to select the right particle size for 5G substrate materials?
A: Recommended based on dielectric layer thickness:
• 10-20μm for thick-film circuits
• 1-5μm for high-frequency thin-layer materials

Q: Does the product comply with RoHS standards?
A: All products pass RoHS 2.0 and REACH testing, with third-party test reports provided

Corporate Strength

▪ National High-Tech Enterprise ▪ Annual production capacity of 5,000 tons of silica powder
▪ Strategic partnership with Chinese Academy of Sciences' Silicon Materials Research Institute
▪ Serves leading clients like Huawei/ZTE

 

 

 

 

 

 

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