Round PTFE Filter Bags 750gsm Dust Collector Teflon Filter Bags
Round PTFE Dust Filter Bag Bag House PTFE Traditional Bag PTFE Felt Filter Bag Dust Collector PTFE Bag
1. Specification
Polytetrafluoroethylene is made from the monomer tetrafluoroethylene by free radical vinyl polymerization. PTFE is perhaps the most inert, chemically resistant, and temperature resistant polymer used in industrial filtration. Its characterizes are as follows:
- ) The continuous working temperature is 250℃, the instantaneous temperature is 280℃.
- ) Totally resistant of PH and oxidation, hardly inflammable
- ) One and only not aging
- ) Meet the worst condition, has the extremely long service life, usually three years
100% PTFE bag is mainly used in chemical industry, waste incineration, high temperature resistant liquid filtration, keeps good chemical stability in the complex condition.
Finish Treatment: Singeing, Calendering, Heat Setting, Anti-static, Water&Oil Repellent, PTFE Membrane, PTFE Impregnation and so on
Bag Size: it is up to the CPO and installation and customized
Bag Head: seal cuff / groove snap / felt strip, bead cuff/ steel strip, etc can be chosen
Bag Body: Sewing or Hot sealing
Bag Bottom: Single or double bottom, with reinforcement or without reinforcement
Construction of Filter Bags
| Style | Size | Felt/ Fabric | Body | Head | Bottom Layer | Reinforcement |
| Round | Customized | Various | Sewing or Hot Sealing | Seal Cuff, Bead Cuff | Single Or Double | With Or Without |
2. Parameters of PTFE Filter Bags
| Bag | PTFE Filter Bag | |||||
| Felt | PTFE Needled Felt | |||||
| Scrim | PTFE or P84 | |||||
| Weight | gsm | 700-750 | ||||
| Permeability | cfm | 20-30,PTFE lamination 3-7 | ||||
| Tensile Strength | Warp | ≥N | 450 | |||
| Weft | ≥N | 450 | ||||
| Break Elongation | Warp | < % | 25 | |||
| Weft | < % | 40 | ||||
| Working Temperature | Continuous | Dry | ℃ | 260 | ||
| Moist | ℃ | 260 | ||||
| Short term | ℃ | 290 | ||||
| Dry Shrinkage | Warp | <% | 1.5 | |||
| Weft | <% | 1.5 | ||||
| Specific Density | 2.3 | |||||
| Support Combustion | no | |||||
| Resistance | Hydrolysis | excellent | ||||
| Biological (mildew, bacteria) | no effect | |||||
| Alkalis | excellent | |||||
| Mineral Acids | excellent | |||||
| Orgnic Acids | excellent | |||||
| Oxidising Agents | excellent | |||||
| Orgnic Solvents | excellent | |||||
| Finishing | singeing, calendaring, oil and water proof, PTFE impregnation coating, PTFE lamination etc | |||||
3. Applications of filter bag in bag house
| Plant | Star Bag and Cage | Application |
| Aluminium Plant | PE | electrolysis fume |
| PPS | aluminum hydroxide calcination | |
| Cement Plant | PE | cement mill, crushing macine, leather belt etc |
| PE with antistatic | coal mill | |
| P84 | kiln back end | |
| Meta aramid | kiln head | |
| Power Sation | PPS | boiler tail gas |
| Steel Plant | PE | casting house, ore bunker, sintering machine end, finished product transportation |
| Acrylic | slag differential | |
| Meta aramid | rotary furnace | |
| PPS/Acrylic | sintering machine head | |
| Chemical Plant | PTFE , Meta aramid | high temperature and corrosive confition |
| Nonferrous Metal Smelt Plant | P84 | aluminum metlting, copper furnace, gold smelt etc |
| Carbon Black Plant | PE, PE with PTFE lamination | grinder machine |
| Glass Plant | PTFE, PTFE composited P84 bag |
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