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Glass Fiber Filters, Grade F in sizes ranging from 21mm through 150mm. Fine porosity, medium flow rate, with a 0.7µm size particle retention. Frequently used with Grade D to filter diluted aqueous solutions containing strong oxidizing, acidic or alkaline components prior to laser spectroscopy. May also be used for TCLP analysis and collecting extremely fine precipitated proteins, including immunoglobulins. Grade F is a binderless borosilicate glass microfiber.
Specifications:
- Particle retention: 0.70µm
- Filtration Speed: 80 sec
- Thickness: .40mm
- Basis Weight: 80g/m²
Filter Grade Comparison
Zefon
|
Whatman
|
S&S
|
Millipore
|
Pall
|
Alhstrom
|
MFS
|
Grade F
|
GF/F
|
55
|
APFF
|
--
|
151
|
GF-75
|
Available Sizes/Product Cross Comparison:
| Diameter |
Zefon
Product # |
Whatman Equivalent |
S&S Equivalent |
Millipore Equivalent |
Ahlstrom Equivalent |
| 21mm (2.1cm) |
IW-F2100 |
1825-021 |
-- |
-- |
1510-0210 |
| 24mm (2.4cm) |
IW-F2400 |
1825-024 |
-- |
-- |
1510-0240 |
| 25mm (2.5cm) |
IW-F2500 |
1825-025 |
-- |
-- |
1510-0250 |
| 35mm (3.5cm) |
IW-F3500 |
N/A |
-- |
-- |
N/A |
| 37mm (3.7cm) |
IW-F3700 |
1825-037 |
-- |
-- |
N/A |
| 42.5mm (4.25cm) |
IW-F4250 |
1825-425 |
-- |
-- |
1510-0425 |
| 47mm (4.7cm) |
IW-F4700 |
1825-047 |
-- |
-- |
1510-0470 |
| 55mm (5.5cm) |
IW-F5500 |
1825-055 |
-- |
-- |
1510-0550 |
| 70mm (7.0cm) |
IW-F7000 |
1825-070 |
-- |
-- |
1510-0700 |
| 90mm (9.0cm) |
IW-F9000 |
N/A |
-- |
-- |
1510-0900 |
| 110mm (11.0cm) |
IW-F1100 |
N/A |
-- |
-- |
1510-1100 |
| 125mm (12.5cm) |
IW-F1250 |
N/A |
-- |
-- |
1510-1250 |
| 150mm (15.0cm) |
IW-F1500 |
N/A |
-- |
-- |
1510-1500 |
All sizes come packed with 100 filters per box
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