Tailored Filter Media Solutions
At DiamFilter, we are dedicated to providing customized filter media solutions to enhance filtration efficiency and longevity. By crafting filter media in-house, we guarantee:
Customized Filter Media Design
Recognizing the unique nature of each industrial dust collection application, we tailor our filter media to meet specific requirements, industry characteristics, and operating conditions. Our custom-designed filter media ensure optimal dust collection performance.
State-of-the-Art Manufacturing Equipment & Technology
Partnering with a leading needlefelt equipment manufacturer from Germany, we operate advanced needlefelt production lines. From fiber processing to filter media treatment, our in-house manufacturing guarantees precision and quality.
Premium Raw Materials
We procure raw materials from reputable fabric suppliers like DuPont, Toray Industries, etc. to ensure the highest quality standards in our filter media.
Stringent Quality Control Measures
We implement rigorous quality control procedures to maintain production standards and ensure filter media homogeneity and uniformity, resulting in consistently high-quality products.
Timely Delivery
With fully automated production lines and a manufacturing capacity of 40 million square feet per annum, we are equipped to handle all customer requirements and deliver orders promptly, regardless of size.
PTFE Needle Punched Felt Production Line
Filter Media Characteristics
DiamFilter specializes in providing custom filter media solutions for various industries, including asphalt mixing, chemicals, cement, metals, power generation, and woodworking. Our filter media excel in abrasive, corrosive, high-temperature, and explosive dust filtration applications. The filtration performance is influenced by factors such as material composition, construction (woven or nonwoven), and treatment. We offer a comprehensive range of filter media materials tailored to suit specific application requirements.
FINISH TREATMENT
Treatment of filter media enhances their filtration efficiency and performance by extending the filter media’s lifespan, improving dust cake release, reducing valve pulsing, maintaining consistent airflow, minimizing differential pressure, and reducing downtime and maintenance requirements. Different fibers imbue each media with unique dust filtration characteristics.
Filter Media Finish Treatments include Singed, Glazed, Heat Set, Oil and water proof, PTFE coating, PTFE membrane.
FEATURES OF THE NEEDLE PUNCHED FELTS
| Polypropylene | Polyester | Homopolymer Acrylic | PPS | Aramid | P84 | PTFE | ||
| Continuous dry heat operation (℃） | 90 | 135 | 135 | 160 | 204 | 240 | 250 | |
| Continuous moist heat operation （℃） | 94 | 130 | 125 | 160 | 177 | 195 | 250 | |
| Short term dry heat surge Max. （℃） | 107 | 150 | 140 | 190 | 240 | 260 | 280 | |
| Specific Density (g/cm3) | 0.9 | 1.38 | 1.17 | 1.38 | 1.38 | 1.41 | 2.3 | |
| Moisture regain （%） (20℃ & 65℃ relative humidity） | 0.10% | 0.4 | 1 | 0.6 | 4.5 | 3 | 0 | |
| Flammability | yes | yes | yes | yes | no | no | no | |
| Resistance | Biological (Mildew, Bacteria) | excellent | bad | excellent | bad | bad | bad | bad |
| Alkalis | excellent | fair | fair | excellent | good | fair | excellent | |
| Mineral Acids | excellent | fair | excellent | excellent | fair | excellent | excellent | |
| Organic Acids | excellent | fair | excellent | excellent | fair | excellent | excellent | |
We do what we are good at
Dust Filter Bag Workshop
Pleated filter bag
Pleated filter bag has almost 2 times of filter area compares to normal filter bag.
Main Applications
Cement Plant
| Media | Nomex | P84 Composited felt | P84 | FMS | |
| Fiber | Nomex | Nomex + P84 | P84 | P84+Fiberglass | |
| Scrim | Nomex | PTFE | PTFE | PTFE | |
| Weight Recommend g/㎡ | 550 | 600 | 650 | 650 | |
| Operation Temperature (℃） | 204 | 160 | 170 | 260 | |
| Peak Temperature (℃） | 230 | 190 | 200 | 280 | |
| N/5 x 20cm Break Stength | Warp | >800 | >900 | >800 | >800 |
| Weft | >1000 | >1200 | >1000 | >1000 | |
| Elongation @ Break (%) | Warp | <30 | <30 | <30 | <30 |
| Weft | <50 | <50 | <50 | <50 | |
| Air permeablity (m³/㎡*min) | 10-15 | 10-15 | 10-15 | 10-15 | |
| Filtration Rate (merter/min) | <1.2 | <1.2 | <1.2 | <0.8 | |
| Application on Cement Plant | Good on Corrosion and abrasion reisitance. Used in midium and large size cement kiln head. | Good on Corrosion and abrasion resistance. Easy for dust remove. Used in medium and large size cement kiln tail. | Good on Corrosion and abrasion resistance. Used in medium and large size cement kiln tail. | High temperature operation, good on Corrosion resistance. Bad abrasion resistantce performance. Used in small or medium low wind speed cement kiln. | |
Steel Plant
| Media | Acrylic with PTFE Membrane | Nomex composited felt | PTFE composited felt | PTFE with Membrane | FMS | |
| Fiber | Acrylic | Nomex + P84 | PTFE + P84 | PTFE | P84+Fiberglass | |
| Scrim | Acrylic | PTFE | PTFE | PTFE | Fiberglass | |
| Weight Recommend g/㎡ | 580 | 550 | 650 | 800 | 850 | |
| Operation Temperature (℃） | 120 | 210 | 260 | 260 | 280 | |
| Peak Temperature (℃） | 140 | 230 | 280 | 280 | 300 | |
| N/5 x 20cm Break Stength | Warp | >800 | >900 | >800 | >800 | >2400 |
| Weft | >1000 | >1200 | >1000 | >800 | >2400 | |
| Elongation @ Break (%) | Warp | <30 | <30 | <30 | <20 | <10 |
| Weft | <50 | <50 | <50 | <20 | <10 | |
| Air permeablity (m³/㎡*min) | 2-5 | 10-15 | 10-15 | 2-4 | 10-15 | |
| Filtration Rate (merter/min) | <0.8 | <1.2 | <1.0 | <0.8 | <0.8 | |
Power Plant
| Media | PPS | PPS/PTFE | PTFE composited felt | PTFE composited felt | PPS with PTFE membrane | |
| Fiber | PPS | PPS | PTFE + PPS | PTFE + P84 | PPS | |
| Scrim | PPS | PTFE | PTFE | PTFE | PPS | |
| Weight Recommend g/㎡ | 580 | 600 | 650 | 650 | 580 | |
| Operation Temperature (℃） | 160 | 160 | 170 | 260 | 160 | |
| Peak Temperature (℃） | 190 | 190 | 200 | 280 | 190 | |
| N/5 x 20cm Break Stength | Warp | >900 | >900 | >800 | >800 | >900 |
| Weft | >1200 | >1200 | >1000 | >1000 | >1200 | |
| Elongation @ Break (%) | Warp | <30 | <30 | <30 | <30 | <30 |
| Weft | <50 | <50 | <50 | <50 | <50 | |
| Air permeablity (m³/㎡*min) | 10-15 | 10-15 | 10-15 | 10-15 | 2-5 | |
| Application on Power Plant | For low-sulfur coal Temp. < 160℃ Low oxygen content | For Medium-sulfur coal Temp. < 165℃ （The higher transient temp., the higher on oxygen content) | For High-sulfur coal. Better corrosive on high oxygent content operation. Good cost effective. | As the higher dust contet, the higher oxygen content, the higher temperature, this media works well on corrosion of flue gas dust. | For lower oxygen contect and temperature <160℃，emission lower mg on sulfur coal. | |
Incineration
| Media | PTFE with Membrane | |
| Fiber | PTFE | |
| Scrim | PTFE | |
| Weight Recommend g/㎡ | 800 | |
| Operation Temperature (℃） | 260 | |
| Peak Temperature (℃） | 280 | |
| N/5 x 20cm Break Stength | Warp | >800 |
| Weft | >800 | |
| Air permeablity (m³/㎡*min) | 2-4 | |
| Emission | ≤10mg (daily average) | |
| Injection pressure (Mpa) | 0.2-0.6 | |
| Filter efficiency @ 0.25 μm (%) | 99.999 | |
| Filtration Rate (merter/min) | < 0.8 | |
Premium Raw Materials
We procure raw materials from reputable fabric suppliers like DuPont, Toray Industries, etc. to ensure the highest quality standards in our filter media.