Polytetrafluoroethylene(PTFE) Dust Filter Bag
group nameDust Collector Filter Bag
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Min Order1 piece
brand nameChity
payment methodT/T, L/C
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update timeFri, 05 Dec 2025 20:11:17 GMT
Paramtents
Polytetrafluoroethylene Polytetrafluoroethylene(PTFE)
Weight 800 gsm
Continous Temperature 240
Peak Temperature 260
Packging & Delivery
Min Order1 piece
Briefing
PTFE filter bag (Polytetrafluoroethylene), also known as a Teflon® filter bag, is a premium industrial filtration solution designed for extreme temperatures, harsh chemical environments, and demanding dust collection applications.
Detailed
Introduction
Key Features
>Exceptional High-Temperature Resistance – Can withstand continuous temperatures up to 260°C (500°F) and short-term peaks up to 280°C (536°F).
>Unmatched Chemical Resistance – Resistant to acids, alkalis, organic solvents, and corrosive gases, making it ideal for highly aggressive environments.
>Outstanding Filtration Efficiency – Fine-pore structure and PTFE membrane options provide superior dust capture while maintaining low pressure drop.
>Superior Non-Stick & Self-Cleaning Properties – PTFE naturally repels dust and moisture, reducing filter clogging and extending service life.
>Best Oxidation & Hydrolysis Resistance – Unlike PPS or aramid (Nomex®), PTFE resists oxidation and degradation in humid or high-oxygen environments.
>Long Service Life – PTFE filter bags can last 3–5 times longer than standard filter materials, reducing maintenance costs.
>Low Friction & Minimal Dust Retention – Ensures consistent airflow and prevents dust buildup in baghouse dust collectors.
Technical Specification | ||
| Name/Quality | PTFE | |
| Component | Shell Fiber | PTFE |
| Scrim | PTFE | |
| Weight | 800 gsm±5% | |
Thickness | 1.2±0.15mm | |
Tensile Strenth N/5*20cm | Lenghth | ≥700 |
Cross | ≥800 | |
Elongation at Break/% | Lenghth | ≤30 |
Cross | ≤50 | |
Temperature/℃ | Continue | 240 |
Peaks | 260 | |
Finish | Heat Stabilization, Glaze, Singe | |
Applilcation
>Waste Incineration Plants – Handles corrosive and high-temperature flue gases.
>Coal-Fired & Biomass Power Plants – Filters fine fly ash and acidic exhaust gases.
>Cement & Lime Kilns – Captures kiln dust and prevents filter degradation from high heat.
>Chemical & Petrochemical Industries – Resists acid gases, solvents, and volatile organic compounds (VOCs).
>Metal Smelting & Foundries – Withstands high heat and harsh metal dust environments.
>Pharmaceutical & Food Processing – Ensures clean air filtration with non-stick, FDA-compliant properties.
Physical Characteristics of Filter Bag Material
| Material | Weight/gsm | Thickness/mm | Continuous Temperature | Peak Temperature |
| Polyester | 550 | 2.0±0.15 | 130 | 150 |
| Polypropylene | 550 | 2.0±0.15 | 80 | 100 |
| Fiberglass | 850 | 2.5±0.2 | 240 | 260 |
Acrylic | 550 | 2.0±0.15 | 130 | 150 |
Nomex | 550 | 2.0±0.15 | 190 | 210 |
PPS | 550 | 2.0±0.15 | 160 | 190 |
PTFE | 800 | 1.2±0.15 | 240 | 260 |
P84 | 550 | 2.0±0.15 | 260 | 280 |
Chemical Characteristics of Filter Bag Material
| Material | Hydrolysis Resistance | Acid Resistance | Alkali Resistance | Oxidation |
| Polyester | Poor | Moderate | Poor | Good |
| Polypropylene | Excellent | Excellent | Excellent | Poor |
| Fiberglass | Good | Good | Poor | Excellent |
Acrylic | Excellent | Excellent | Excellent | Poor |
Nomex | Moderate | Moderate | Moderate | Good |
PPS | Excellent | Excellent | Excellent | Moderate |
PTFE | Excellent | Excellent | Excellent | Excellent |
P84 | Good | Good | Moderate | Good |
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