




PP Dust Collector Filter Bag | Polypropylene Needle Felt Bag
Premium polypropylene needle felt dust collector filter bags engineered for efficient particle retention and superior acid-alkali resistance in industrial ventilation systems.
Technical Parameters Table:
| Item | Specification |
|---|---|
| Material | polypropylene, polyester, acrylic, aramid, fiberglass, PPS, P84, PTFE |
| Max. Operating Temp | ≤ 250 °C (varies by material) |
| Filter Rating | 1–200 μm |
| Weight | 339.0 g/m² (varies by size & material) |
| Thickness | 1.47–1.72 mm |
| Air Permeability | 59–87 m³/h @ 1.25 mbar (varies by material) |
| Top Styles | Snap band, ring, corded, raw edge, and more |
| Bottom Styles | Sewn flat, disc bottom, hemmed, and more |
| Finish Options | Plain, glazed, singed, Teflon™, acrylic coating, membrane/laminated |
Product Introduction:
This PP dust filter bag is engineered under strict OEM‑oriented product design and quality control standards for industrial dust collection and solid‑particle separation.
Great attention is paid to mechanical reliability: sewing or hot‑melt sealing processes are adopted to deliver high seam strength, effectively avoiding bag rupture under airflow impact during long‑term operation. Fabric weight is kept evenly distributed across the whole filter bag surface, which stabilizes filtration efficiency and prevents abnormal pressure drop deviation.
Multiple opening configurations including spring snap ring and rubber gasket are available. Dimensions are precisely controlled to achieve 1:1 seamless fit for customer‑existing dust collector tube sheet, eliminating leakage caused by mismatched opening size.
Made of premium polypropylene fabric, the filter bag features good chemical resistance and stable tensile performance. A wide range of custom sizes, opening styles and fabric specifications are supported to match diverse dust‑removal equipment. Suitable for aftermarket replacement and batch‑procurement projects for global distributors and system integrators. Contact us to get detailed specification data.
Core Features:
- Rigorous OEM‑oriented design & quality control for replacement compatibility
- High‑strength sewing / hot‑melt sealing, improves anti‑rupture performance against airflow impact
- Uniform fabric weight distribution, keeps stable filtration efficiency and avoids irregular pressure drop
- Spring snap ring & rubber gasket options, precise dimension control for 1:1 seamless fit with existing dust collector tube‑sheet, reduce air‑leak risk
- Premium PP fabric with good chemical resistance and tensile property
- Multiple size options for mainstream dust‑collector equipment aftermarket replacement
Application Scenarios:
Dust collection for material‑processing workshops, factory dust‑removal systems, industrial ventilation particle separation, dust collector aftermarket replacement.
Compatibility Note:
Multiple opening types are offered to match original tube‑sheet mounting structure. Custom dimensions can be supported upon inquiry for non‑standard equipment.