Product Overview
Si20UM-10 Silica Microspheres are precision-engineered monodisperse silicon dioxide particles with a nominal diameter of 20 μm. Manufactured using advanced synthesis technology, these microspheres provide excellent particle size uniformity, high purity, low aggregation and outstanding suspension stability. Their highly spherical morphology ensures reliable performance in biological, analytical and industrial applications.
Supplied as a 2.5% aqueous suspension, Si20UM-10 possesses a naturally hydroxylated silica surface that can be readily functionalized with amino, carboxyl, epoxy and other reactive groups. These microspheres are widely used in immunoassays, chromatography, calibration standards, biosensor development, cell separation research and surface chemistry applications.
Key Features
Monodisperse 20 μm particle size
High purity silicon dioxide
Excellent dispersion stability
Uniform spherical morphology
Low particle aggregation
Hydrophilic hydroxyl surface
High chemical stability
Easy surface functionalization
Excellent batch-to-batch consistency
Suitable for research and industrial applications
Technical Specifications
Parameter | Specification |
|---|
Product Code | Si20UM-10 |
Material | Silicon Dioxide (SiO₂) |
Particle Size | 20 μm |
Surface | Hydroxyl (-OH) |
Solid Content | 2.5% Suspension |
Dispersion Medium | Deionized Water |
Appearance | White Aqueous Suspension |
Storage | 2–8°C |
Packaging | 10 mL / 20 mL / 100 mL |
Applications
Immunoassays
Cell Separation Research
Chromatography
Calibration Standards
Biosensors
Particle Size Standards
Surface Modification
Coating Materials
Laboratory Research
Life Science Research
Product Advantages
Si20UM-10 Silica Microspheres offer excellent particle size uniformity, high purity and superior suspension stability. Their 20 μm diameter provides excellent handling characteristics and increased surface area for biomolecule immobilization, making them suitable for immunoassays, chromatography, calibration standards, biosensor development and cell separation research. Strict quality control ensures consistent quality and reproducible experimental results.
Storage and Handling
Store at 2–8°C.
Do not freeze.
Keep the container tightly closed.
Gently invert before use.
Avoid microbial contamination.
Protect from direct sunlight.
Use clean laboratory equipment during handling.
Customization Service
SANYU GROUP provides customized silica microspheres including:
Customized particle sizes
Customized solid content
Amino surface modification
Carboxyl surface modification
Epoxy surface modification
OEM manufacturing
Bulk production
Custom packaging
Frequently Asked Questions (FAQ)
What are Silica Microspheres?
Silica Microspheres are highly uniform silicon dioxide particles widely used in diagnostics, chromatography, biosensors, calibration standards and life science research.
What is the particle size of Si20UM-10?
Si20UM-10 has a nominal particle diameter of 20 μm, providing excellent particle size uniformity and stable dispersion.
What applications is Si20UM-10 suitable for?
It is widely used in immunoassays, cell separation research, chromatography, calibration standards, biosensors, particle size standards and laboratory research.
Can Si20UM-10 be surface modified?
Yes. The hydroxyl-functional silica surface can be modified with amino, carboxyl, epoxy and other functional groups to satisfy different biological and industrial application requirements.
How should Si20UM-10 be stored?
Store at 2–8°C, avoid freezing, keep the container tightly sealed and gently invert before use to maintain optimal dispersion stability.
