PTFE needle felt is perfect among all the felt filter bags; it is a high grade product of filter bag. PTFE filters has the best chemical resistance property meanwhile it also has the good performances of filter efficiency. Working life can reach 6 years in the normal working condition.
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Fabric: PPS fiber (polyphenylene sulfide)
Temperature resistance: up to 200℃ (392℉)
Area weight (g/m2): 350~700
Thickness (mm): 1.2~2.4
Filtration precision: ≤30mg/nm3
Working lifetime: 8000 hours and more
Diameter & Length: No limited
There are 2 kinds of treatment : "PTFE film" and "PTFE dipping"
PTFE film: Improve filtration precision: ≤5gsm/Nm3, but lower the filtration efficiency; and a substantial increase in acid-base resistance property
PTFE dipping: Improve filtration precision: ≤25gsm/Nm3, does not lower the filtration efficiency; and a small increase in acid-base resistance property
1. Excellent temperature resistance: up to 280℃ (572℉)
2. Extremely long working life. Service life can reach 6 years at the temperature 66℃～240℃ and normal working conditions.
3. Excellent performance of anti-acid and anti-alkali resistance
4. Excellent filter efficiency
5. Good performances of hydrolysis stability and flame retardant
6. Suitable using on various power plant boiler and waste incineration boiler. The weakness is poor folding property and higher price.
7. Available in various fabric weights and treatments such as singed, glazed, PTFE, anti-static, fire-retardant, oleo-phobic, acid resistant and more.
8. Configurations (bag construction) include snap band top, A-hanger, raw edge, grommet, cord, loop, strap, disc bottom, disc wear-strip, flange, hem, sewn flat, envelope, compression cap, and more.
1. Power Generation and Incineration: Medical, municipal, industrial, sewage sludge, biomass, and hospital waste incineration, as well as coal-fired boilers.
2. Chemicals Processing: Dryer offgas filtration under chemi-cally or thermally demanding conditions.
3. Metals Industry: Lead, copper, and other base metal production.
4. Minerals Industry: Brick and light-weight aggregate kilns.
1. Packing can be customized, normally we pack by polybag
2. ETD: 10-15 days after receiving your deposit;
3. Payment terms: 30% deposit, balance against copy of documents;
4. Payment can be made by L/C,T/T;
50% Deposit the balance 50% will be against the copy of B/L
30% Deposit the balance 70%will be against the copy of B/L
5. MOQ: 500pcs
6. Transportation: We can recommend the most economic way of logistics, including maritime, land, air and other ways, designated forwarder also accepted.
|Fiber Content:||Staple – Expanded Polytetrafluoroethylene|
|Scrim – Woven Expanded Polytetrafluoroethylene|
|Felt Construction:||Supported Needlefelt|
|Continuous Operating Temperature:||260°C|
|Maximum Surge Temperature:||270°C|
|•||Warp:||1000 N/5 cm|
|•||Fill:||1100 N/5 cm|
|Mullen Burst:||2758 kPa (400 psi) min|
|Thermal Stability:||< 2% shrinkage at 260°C (500°F) after 2 hours (unrestrained)|
|Durability:||12000 hours and more|
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2. What we offer?
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