| Customization: | Available |
|---|---|
| Material: | P84 |
| Usage: | Air Filter, Liquid Filter |
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| Product Name | P84 Needle Felt |
| Product Model | As Your Requirement |
| Type | Needle Felt |
| Test Item | Standards | |
| Weight (g/m²) | 550±5% | |
| Thickness (mm) | 2.2±5% | |
| Breaking Strength (N/5cm) | Wrap | ≥800 |
| Weft | ≥1200 | |
| Breaking Elongation (%) | Wrap | <30 |
| Weft | <45 | |
| 5N Directive Elongation (%) | Wrap | <30 |
| Weft | <45 | |
| Air Permeability (L/dm²*min@200Pa) | 25-45 | |
| Heat Shrinkage (%) | Wrap | --- |
| Weft | --- | |
| Acid Resistance (%/90ºC,50%H2SO4,24hrs) | Wrap | Good |
| Weft | Good | |
| Alkali Resistance (%/25ºC,15%NaOH,24hrs) | Wrap | Good |
| Weft | Good | |
| Working Temperature (ºC) | 240 | |
| Instant Heat Resistant Temperature (ºC) | 260 | |
| Fiber's Material | P84 | |
| Basic Cloth's Material | PTFE | |
| Surface Treatment | PTFE Emulsion Dipping | |
| Post Processing | Burning, Calendering | |
| Processing Technology | Pipeline Process | |
| Life Time | 3 Years | |
| Exit Dust Content in Life Time (mg/Nm³) | 20 | |
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