Polyester needle felt media is a high-performance material widely used in industrial dust and liquid filtration. Made from high-strength polyester fibers through needle punching technology, it offers excellent mechanical strength, wear resistance, and filtration precision. It is ideal for manufacturing industrial filter bags, including dust collector bags and liquid filter bags, which are applied in cement plants, steel mills, chemical processing, and food industries.
Polyester needle punched filter felt
Polyester Needle Punched Filter FeltPolyester needle felt is the most versatile, cost-effective and most widely used filter medium for dust collection. It is strong and abrasion-resistant, can work up to 150°C, and has good resistance to common acids, solvents and oxidizing agents.DisadvantagesPolyester's only real weakness is a tendency to hydrolyze at elevated temperatures, which means that moisture can break down the fibres and cause them to revert to their basic constituents. This results in the powdering of the fibres and a serious loss of strength.
Applications
Due to its favorable price-quality ratio, polyester is the most common fiber used in filter media.
- Mining
- Cement Industry
- Iron and Steel Industry
- Aluminum and Non-Ferrous Industry
- Ceramic Industry
- Quarrying- Plastics Industry
- Milk Powder Production
- Flour Mills (applied under dry conditions with temperatures up to 150°C)
Specification
Composition | PET/PET scrim | |
Thickness (mm) | 1.8 | |
Air permeability (L/m2/s) | 200-350 | |
Tensile strength | Warp | ≥1100 |
Weft | ≥1300 | |
Tensile elongation (%) | Warp | ＜35 |
Weft | ＜40 | |
Breaking strength (N/m2) | 450 | |
Continuous working Tem.(℃) | ≤130 | |
Short time working Tem.(℃) | 150 | |
Anti-acid | Fair | |
Anti-alkali | Fair | |
Anti-abrasion | Excellent | |
The stability of water solution | Fair | |
Finishing treatment | Singeing,calendaring,heatting | |
Polyester Needle Felt Media
We supply high performance polyester needle felt medias, which contains polyester smooth surface finished pe needle felt, singeing finished pe needle felt and granule surface finished pe felt.
Polyester needle felt media is the most versatile, most cost effective and most widely used filter medium for dust collection
