Introduction
B Type Silica Gel is a porous form of silicon dioxide (SiO₂) with a larger pore structure (typically 4.5–7.0 nm) compared to A type silica gel. It is usually translucent or milky white and designed for moisture adsorption under high humidity conditions.
Parameters and Specifications
|
Type |
Silica Gel B |
|
|
Chemical Formula |
MSiO2 . nH2O |
|
|
Appearance |
Transparent/White Bead |
|
|
Diameter(mm) |
0.5-1.5, 1-2, 2-5, 3-5, 4-8 |
|
|
SiO2(%) |
≥99 |
|
|
Adsorption Capacity(%wt) |
25℃, RH20% |
≥10 |
|
25℃, RH50% |
≥22 |
|
|
25℃, RH90% |
≥32 |
|
|
Bulk Density(g/ml) |
≥0.67 |
|
|
Average Pore Diameter(nm) |
4.5-7.0 |
|
|
Surface Area(m2/g) |
450-650 |
|
|
Pore Volume(cm3/g) |
0.60-0.85 |
|
|
PH Value |
4-7 |
|
|
Loss on Ignition(%) |
≤2.0 |
|
|
Particle Ratio(%) |
≥90 |
|
Features
High adsorption capacity at high humidity: Efficient moisture control at RH 80–90%
Good moisture regulation: Suitable for dynamic humidity control systems
Chemically stable and non-toxic: Safe and inert for most industrial uses
Reusable: Can be regenerated by heating
Key Applications
Air drying and dehumidification: Used in air dryers and dehumidifiers
Industrial moisture control: Suitable for high humidity environments such as warehouses and factories
Liquid adsorption: Used as a liquid absorbent and drying agent
Perfume and chemical carriers: Acts as a carrier for fragrances and chemicals
Catalyst carrier: Used as a support material in chemical processes
Packaging and storage: Protects goods from moisture damage during storage and transportation
Why Choose Us
High-quality B type silica gel with stable pore structure
Excellent performance in high humidity conditions
Strict quality control and consistent batch production
Reliable supply and flexible packaging options
Professional technical support and fast response
FAQ
Hot Tags: b type silica gel, China b type silica gel manufacturers, suppliers
Technical Specification
|
Type |
Silica Gel B |
|
|
Chemical Formula |
mSiO2 . nH2O |
|
|
Appearance |
Transparent/White Bead |
|
|
Diameter(mm) |
0.5-1.5, 1-2, 2-5, 3-5, 4-8 | |
| SiO2(%) | ≥99 | |
|
Adsorption Capacity(%wt) |
25℃, RH20% |
≥10 |
|
25℃, RH50% |
≥22 | |
|
25℃, RH90% |
≥32 | |
|
Bulk Density(g/ml) |
≥0.67 | |
| Average Pore Diameter(nm) | 4.5-7.0 | |
|
Surface Area(m2/g) |
450-650 | |
|
Pore Volume(cm3/g) |
0.60-0.85 | |
|
PH Value |
4-7 |
|
|
Loss on Ignition(%) |
≤2.0 | |
| Particle Ratio(%) | ≥90 | |
Application
- Moisture Prevention And Packaging Desiccant
- Carriers For Fragrances And Catalysts






