pall Fiberfilm石英濾膜，Pallflex過濾膜7210
Fiberfilm™ Filters
- Economical filter suited for a range of air sampling applications.
- Moisture variations in air or gases during air sampling will not cause chemical reactions on the filter.
- Heat-treated （HT） version available for reduction of trace organics.
Fiberfilm 過濾膜
貨號(hào) | 說明 | 包裝 |
7210 | T60A20, 25 mm | 100/pkg |
7211 | T60A20, 37 mm | 50/pkg |
7212 | T60A20, 47 mm | 50/pkg |
7216 | T60A20, 55 mm | 50/pkg |
7213 | T60A20, 70 mm | 50/pkg |
7209 | T60A20-HT, 70 mm | 50/pkg |
7214 | T60A20, 90 mm | 50/pkg |
7257 | T60A20, 100 mm | 50/pkg |
7215 | T60A20, 8 x 10 in. | 50/pkg |
| Description | Tissuquartz Filters | Emfab Filters* | Fiberfilm Filters |
| Filter Media | Pure quartz, no binder | Borosilicate glass microfibers reinforced with woven glass cloth and bonded with PTFE | Heat resistant borosilicate glass fiber coated with fluorocarbon （TFE） |
| Diameter | 25 - 142 mm and 8 x 10 in. | 12 - 142 mm and 8 x 10 in. | 25 - 100 mm and 8 x 10 in. |
| Typical Thickness | 432 µm （17 mils） | 178 µm （7 mils） | 203 µm （8 mils） |
| Typical Filter Weight | 5.8 mg/cm2 | 5.0 mg/cm2 | 3.4 mg/cm2 |
| Typical Water Flow Rate 0.35 bar （35 kPa, 5 psi） | 220 mL/min/cm2 | 32 mL/min/cm2 | 220 mL/min/cm2 |
| Typical Air Flow Rate 0.7 bar （70 kPa, 10 psi） | 73 L/min/cm2 | 68 L/min/cm2 | 180 L/min/cm2 |
| Maximum Operating Temperature - Air | 1093 oC （2000 oF） | 260 oC （500 oF） | 315.5 oC （600 oF） |
| Typical Aerosol Retention** | 99.90% | 99.95% | 96.40% |
| pH in Boiled Water Extract | 6.5 - 7.5 | - | - |
* The TX40HI45 and TX40HI75 are made from the same materials but were developed in conjunction with the U.S. EPA （Method 26） when a need arose to sample the exhaust gases from the stacks at incinerator facilities. These two grades are made with higher levels of the PTFE binder resin than the TX40HI20WW to withstand the corrosive atmosphere. The TX40HI75 has a higher level of binder than the TX40HI45 and both have a higher level than the TX40HI20WW.
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