Product Info

Melt blown nonwoven fabric features fibers 50 times thinner than human hair, yet captures particles smaller than bacteria. Created by extruding molten polymer through tiny nozzles while high-velocity hot air blows the material into ultrafine fibers (0.1-10 micrometers), it forms a dense, maze-like structure.

The Science of Protection
Filtration operates through three mechanisms: Inertial Impaction (large particles collide with fibers), Interception (medium particles caught near fiber surfaces), and Diffusion (smallest particles trapped by Brownian motion). This achieves 95%+ efficiency for 0.3-micrometer particles.

Revolutionary Applications
- Medical: Critical middle layer in N95 masks and respirators, providing primary filtration protection during COVID-19 pandemic.
- Environmental: Absorbs up to 10 pounds of oil per pound of fabric in spill cleanup while repelling water.
- Industrial: HVAC filters in hospitals, cleanroom air filters, automotive cabin filters removing allergens and pollutants.
- Liquid Filtration: Clarifies beverages without taste impact, removes bacteria and viruses in water treatment.

Manufacturing Process
Polymer pellets heated to 200-300°C are forced through spinnerets while 300-400°C air creates ultrafine fibers collected on conveyor belts. Production reaches hundreds of meters per minute with widths exceeding 8 meters.

Future Innovations
Developments include biodegradable polymers, recycling methods, antimicrobial additives, and nanotechnology integration. Emerging applications span smart textiles, wound dressings, energy storage, sound dampening, and agriculture. The market grew from $1.2 billion (2020) to $4 billion (2021), highlighting strategic importance.

This invisible material quietly protects our health and environment daily, proving that microscopic innovations make the biggest difference.

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❓ FAQ
Q: How fine are melt-blown fibers?
A: They range from 0.1–10 microns, depending on production conditions.

Q: Why does melt-blown fabric filter so effectively?
A: Because of its ultrafine fibers, high surface area, and the combined action of three filtration mechanisms.

Q: Can melt-blown fabric be reused?
A: Sometimes, but filtration performance may decrease as electrostatic charge dissipates.

📚 Glossary
Inertial Impaction: Filtration by particle collision
Interception: Filtration by surface trapping
Diffusion: Filtration of ultrafine particles via Brownian motion

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