High Silica Fiberglass Filters
High Silica Fiberglass Filters are engineered for the most thermally demanding industrial processes. With a 96%+ pure silica composition, these filters deliver unmatched thermal stability, chemical inertness, and structural integrity where conventional fiberglass fails. Ideal for applications exceeding 1000°C, they combine quartz-like performance with cost-effective manufacturability.
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Product Introduction
Where Extreme Heat Meets Uncompromised Purity
High Silica Fiberglass Filters are engineered for the most thermally demanding industrial processes. With a 96%+ pure silica composition, these filters deliver unmatched thermal stability, chemical inertness, and structural integrity where conventional fiberglass fails. Ideal for applications exceeding 1000°C, they combine quartz-like performance with cost-effective manufacturability.
Performance Characteristics
- Unrivaled Thermal Resistance: Continuous operation at 1,000°C (1,832°F), peak resistance to 1,600°C (2,912°F) – outperforms standard E-glass by 300°C.
- Acid Attack Immunity: Withstands 95% H₂SO₄ and 30% HF – 10x longer life than ceramic filters in acid flue gas.
- Zero Shrinkage/Deformation: <0.5% linear change at 1,000°C (per ASTM D750).
- Ultra-Fine Filtration: Captures particles down to 0.5μm (H13-HEPA grade) with >99.99% efficiency.
- Thermal Shock Resilience: Withstands 500+ rapid cycles (1,000°C ⇄ 25°C) without cracking.
- Non-Combustible & Low Thermal Conductivity: ASTM E136 Class A / Thermal conductivity: 0.09 W/m·K @ 600°C.
- Zero Organic Contamination: Pure inorganic structure – no outgassing in vacuum furnaces.
Technical Specifications
|
Parameter |
Specifications |
|
SiO₂ Content |
96-99% |
|
Forms |
Pleated cartridges, Rigid panels, Filter mats |
|
Standard Sizes |
Cartridges: Ø65-300mm x L250-1000mm Panels: 600x600mm, 1000x1200mm |
|
Filtration Grades |
0.5μm (HEPA), 1μm, 5μm, 25μm |
|
Max Pressure |
1.2 MPa (174 PSI) @ 800°C |
|
Certifications |
ASME BPE, ISO 14644-1 Class 5, ROHS, REACH |
Key Applications
- Semiconductor Manufacturing: CVD furnace exhaust filters, acid scrubber cartridges, diffusion process liners.
- High-Temperature Metal Processing: Titanium/sponge zirconium cooling gas filters, vacuum furnace baffles.
- Glass & Ceramics: Kiln emission control, molten glass bubble traps, fiberizing bushings.
- Chemical Incineration: Chlorinated waste flue gas filtration (HCl/VOC capture).
- Energy & Hydrogen: SOFC fuel cell gas cleaning, syngas particulate removal.
- Aerospace Composites: Autoclave vent filters for carbon fiber curing.
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