A Double Snap Fiberglass Filter Bag is a high-temperature, durable filter bag commonly used in industrial dust collection systems, especially in boiler applications, cement plants, steel mills, and incinerators where flue gas temperatures are elevated.

🔹 Key Features of Double Snap Fiberglass Filter Bag:
✅ Material:
Fiberglass (glass fiber woven or felted) — chosen for its excellent resistance to:
High temperatures (up to ~260–280°C / 500–536°F continuously)
Corrosive chemicals and acidic flue gases
Mechanical wear

✅ Double Snap Band Design:
Double snap bands provide a more secure and leak-proof seal between the bag and the tube sheet (metal plate that holds filter bags in place).
Improves installation stability and minimizes the risk of dust bypass.
Common in top-load or bottom-load baghouse systems.

✅ Coatings / Treatments (Optional):
PTFE membrane or coating: Enhances dust release (anti-stick) and chemical resistance.
Graphite or silicone oil treatments: Improve abrasion resistance and reduce fiber breakage.

✅ Applications:
Coal and biomass-fired boilers
Waste-to-energy plants
Cement kilns
Smelting and foundry operations