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As a trusted manufacturer since 1998, Anping County Boli Hardware Wiremesh Products Factory specializes in producing high-quality filtration solutions. Our 450°C Heat Resistant Fiberglass Filter Cloth Bags are engineered specifically for disc vacuum filters, offering exceptional thermal stability and mechanical strength. With an annual export value exceeding US$5 million, we serve global markets including North America, Europe, and Asia, ensuring reliable performance in demanding industrial applications. These filter bags are designed to withstand extreme temperatures while maintaining superior filtration efficiency, reducing downtime and operational costs.
Our fiberglass filter cloth bags are woven from premium E-glass or C-glass fibers, treated with a specialized heat-resistant coating to enhance durability. They are ideal for dewatering, solids separation, and dust collection in mining, chemical, metallurgical, and cement industries. Below are key technical specifications and benefits:
| Parameter | Specification |
|---|---|
| Continuous Operating Temperature | Up to 450°C (842°F) |
| Fiber Type | E-glass / C-glass (alkali-free / chemical-resistant) |
| Weave Patterns | Plain, Twill, Satin (customizable) |
| Available Thickness | 0.5 mm – 3.0 mm |
| Weight Range | 200 – 1500 g/m² |
| Air Permeability | 10 – 100 L/m²/s @ 200 Pa (adjustable) |
| Surface Finish | Heat-resistant coating (optional), silicone or PTFE treatments |
Product Features & Benefits
- Extreme Temperature Resistance: Withstands continuous operation at 450°C, making it suitable for high-temperature flue gas filtration, hot air cleaning, and drying processes.
- High Mechanical Strength: Fiberglass fibers provide excellent tensile strength and tear resistance, ensuring long service life even under heavy mechanical stress from disc vacuum filters.
- Chemical Resistance: Resistant to most acids, alkalis, and organic solvents, except hydrofluoric acid and hot phosphoric acid. Ideal for corrosive environments.
- Low Elongation: Minimal dimensional change under load, maintaining precise bag dimensions for proper sealing in filter discs.
- Customizable Dimensions: Bags can be manufactured in any shape, size, or seam configuration to fit your specific disc vacuum filter model (e.g., 1.5m, 2.0m, 2.5m diameter discs).
- Enhanced Filtration Efficiency: Available in various weave densities (from 8×8 to 30×30 threads per inch) to achieve desired particle retention (5–50 microns).
- Easy Installation & Maintenance: Lightweight yet durable, bags can be easily installed and removed. Surface treatments reduce cake adhesion, improving cleaning cycles.
Applications
- Mining & Minerals: Dewatering of mineral concentrates (copper, iron, gold, etc.)
- Chemical Processing: Filtration of catalysts, pigments, and chemical slurries
- Metallurgy: Dust collection in smelting, roasting, and sintering plants
- Cement & Power: Baghouse filters for hot gas cleaning in cement kilns and coal-fired boilers
- Environmental: Industrial wastewater treatment, sludge dewatering
Why Choose Boli Wiremesh?
With over 25 years of manufacturing experience, we have established a reputation for delivering consistent quality and reliable performance. Our factory is equipped with advanced weaving looms and automated cutting/sewing machines, ensuring precision in every batch. We offer free samples for testing, short lead times (15–25 days), and flexible shipping options from Tianjin, Qingdao, Shanghai, or Foshan ports. Our dedicated technical team can assist with custom designs, including reinforced edges, grommets, or special coatings.
We are confident that our 450°C Heat Resistant Fiberglass Filter Cloth Bags will meet your expectations. Contact us today for a quote or to discuss your specific requirements. Your satisfaction is our priority.
Frequently Asked Questions
-
Q: Can these bags be used in continuous 450°C operation?
A: Yes, they are designed for continuous service up to 450°C. However, peak temperatures may be higher if duration is short. Please consult our technical team for specific conditions. -
Q: Are there any coating options available?
A: Yes, we offer optional heat-resistant coatings such as silicone, PTFE, or graphite to improve anti-stick properties and chemical resistance. These are available upon request. -
Q: What is the typical lead time?
A: For standard sizes, lead time is 15–20 days. Custom dimensions or special coatings may require 20–30 days. We can expedite for urgent orders. -
Q: Do you provide samples for testing?
A: Yes, we provide free samples (customer pays shipping). Sample size is typically 30cm x 30cm or a full bag for evaluation. -
Q: How do I choose the right weave density?
A: It depends on the particle size you need to retain. For finer filtration ( -
Q: Can you customize the bag shape (e.g., with gussets, pleats, or reinforced seams)?
A: Absolutely. We can produce bags with round bottoms, cone bottoms, or flat discs with grommets. Seams can be double-stitched or heat-sealed for extra strength. -
Q: What is the warranty period?
A: We offer a 12-month warranty against manufacturing defects under normal operating conditions. Extended warranty may be negotiated for large orders. -
Q: How should I store these filter bags?
A: Store in a cool, dry environment away from direct sunlight and moisture. Avoid sharp objects that could damage the fabric. Recommended shelf life is 3 years.
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