| Technical Parameter | Specification Details |
|---|---|
| Product Name | Polypropylene Needle Felt |
| Main Material | Polypropylene Fiber |
| Structure | Needle-Punched Nonwoven Felt |
| Optional Structure | Composite Structure with Melt-Blown Layer |
| Manufacturing Process | Needle Punching + Optional Surface Treatment |
| Density | Approximately 0.90 g/cm³ |
| Melting Point | Approximately 167°C |
| Continuous Operating Temp. | ≤90°C |
| Surface Characteristic | Hydrophobic / Low Moisture Absorption |
Key Advantages
- ✓Excellent Chemical Resistance: Outstanding stability and resistance to many acids, alkalis, and salts.
- ✓Lightweight Material: Engineered as one of the lightest industrial synthetic fibers available.
- ✓Good Moisture Resistance: Perfectly suited for challenging humid and liquid filtration environments.
- ✓Low Initial Pressure Drop: Designed with a high porosity structure that significantly improves airflow performance.
- ✓Good Filtration Efficiency: Features a fine fiber structure that supports highly efficient particle capture.
- ✓Long Service Life: Integration of composite structures can significantly improve overall operating life.
⚠️ Technical Application Notes & Limitations
- • Poor low-temperature impact resistance: the material may become brittle under low-temperature conditions.
- • Ultraviolet aging risk: long-term ultraviolet exposure may reduce structural durability.
- • Moderate flexibility performance under long-term continuous mechanical stress.
