Description
Product Name & Description
Whatman Grade GF/D fine membrane filters is made from 100% borosilicate glass fibers, is chemically inert and contains no binders. Glass microfiber filter paper can withstand temperatures up to 500 degrees Celsius.
Product Benefits
Whatman Glass Microfiber Filter Paper has a capillary fiber structure that absorbs more water than an equivalent cellulose filter paper, making it suitable for spot analysis and liquid scintillation counting methods. And can be made fully transparent for subsequent microscopic inspection.
- High flow rates, low resistance and high particle loading capacity
- Nominal particle retention of 2.7 µm
- It is an ideal pre-filtration product, which can significantly increase the filtration capacity.
Technical Data (Typical Properties)
| Code | Particle Retention
(liquid) (um) |
Initial filtration rate
(sec/100mL) Herzhery ASTM |
Thickness(mm) | Specific Weight(g/m2) | Load Capacity | |
| GF/A | 1.6 | 62 | 4.0 | 0.26 | 53 | High |
| GF/B | 1.0 | 195 | 12 | 0.68 | 143 | Very High |
| GF/C | 1.2 | 100 | 7.5 | 0.26 | 53 | High |
| GF/D | 2.7 | 41 | 3.5 | 0.68 | 120 | Very High |
| GF/F | 0.7 | 325 | 17.5 | 0.42 | 75 | High |
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