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Features
- Excellent Anti-Acid And Anti-Alkali
- Anti-High Temperature:190-220°C/374-428°F
- High-efficiency filtration
- Sulfur fumes or sulfur oxides in fuel can be used
- Very easy to be oxidized in sunshine
- Suitable for high humidity, high concentration, flue dust containing chemical ingredients
- Can be customized.
- Notice:Common brand of PPS include Ryton® and Procon® and belong to Philip Company.
Physical and Chemical Properties
| Weight(gsm) | 500 | |
| Thickness(mm) | 1.8 | |
| Width(mm) | ≤2.2 m | |
| Finish treatment | Singeing, Calendaring, Heat setting | |
| Air permeability(L/m2.s) | 200-300 | |
| Tensile strength(N/5 cm) | warp | ≥1100 |
| weft | ≥1500 | |
| Tensile elongation(%) | warp | ≤15 |
| weft | ≤20 | |
| Heat shrinkage(%) | warp | ≤1.5 |
| weft | ≤1.0 | |
| Temperature(°C/°F) | Continue | 190/374 |
| Instant | 220/428 | |
| Anti-acid | Good | |
| Anti-alkali | Excellent | |
| Anti-abrasion | Excellent | |
| Hydrolysis stability | Middle | |
Option 2
We also supply a new material which can replace the PPS needle felt.It has the characteristics of the PPS needle felt,but the continue temperature can up to 250℃.The following are the specifications about the new products.
| Weight(gsm) | 810 | ||
| Thickness(mm) | 0.75 | ||
| Air permeability(cm³/cm²/s) | 2-4 | ||
| Tensile strength(N/25mm) | warp | 2400 | |
| weft | 2800 | ||
| Temperature(°C/°F) | Continue | 260/500 | |
| Instant | 300/572 | ||
| Anti-acid | Excellent | ||
| Anti-alkali | Excellent | ||
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