What Is Fused Silica B Grade?
Fused Silica B Grade is an economical fused quartz material produced by melting high-purity silica sand at extremely high temperatures. Compared with premium grades, B Grade fused silica offers excellent thermal stability and low thermal expansion at a more competitive cost, making it suitable for a wide range of refractory and foundry applications.
Due to its stable chemical composition and reliable high-temperature performance, Fused Silica B Grade is widely used in investment casting, refractory linings, ceramic applications, and thermal insulation systems.
Main Features of Fused Silica B Grade
Low Thermal Expansion
Fused silica has an extremely low coefficient of thermal expansion, which helps reduce cracking and thermal shock during heating and cooling cycles.
Excellent Thermal Shock Resistance
The material performs well under rapid temperature changes, making it ideal for refractory and casting applications.
High Purity Silica Content
Fused Silica B Grade maintains stable silica content and provides dependable refractory performance in industrial environments.
Cost-Effective Solution
Compared with higher purity grades, B Grade fused silica offers a balanced combination of performance and economy for industrial production.
Good Chemical Stability
The material exhibits strong resistance to many chemical reactions at elevated temperatures.
Typical Applications
Fused Silica B Grade is commonly used in:
- Investment casting shell materials
- Refractory castables
- Foundry coatings
- Ceramic rollers and kiln furniture
- Tundish and induction furnace linings
- Thermal insulation products
- High-temperature industrial equipment
- Precision casting industries
Available Forms
We supply Fused Silica B Grade in multiple specifications, including:
- Fused silica lump
- Fused silica grain
- Fused silica sand
- Fused silica powder
- Customized mesh sizes
Common mesh sizes include:
- 0-1 mm
- 1-3 mm
- 200 mesh
- 325 mesh
Custom particle size distributions are also available according to customer requirements.
Technical Advantages in Refractory Applications
In refractory production, Fused Silica B Grade helps improve dimensional stability and reduce thermal deformation. Its low thermal conductivity and high temperature resistance make it suitable for use in furnace linings, insulation systems, and casting molds.
The material is especially valued in industries requiring consistent thermal performance under
Packaging and Supply
We provide:
- 25 kg bags
- Jumbo bags
- OEM packaging
- Export pallet packaging
Bulk supply and container shipment are available for global customers.
Why Choose Our Fused Silica B Grade?
As a professional fused silica supplier, we provide:
- Stable product quality
- Competitive factory prices
- Custom particle sizing
- Fast international shipment
- Technical support for industrial applications
Our products are exported to foundry, refractory, and casting industries worldwide.
Contact Us
If you are looking for reliable Fused Silica B Grade for refractory or foundry applications, feel free to contact us for technical data, pricing, samples, and customized specifications.