Qualitative Filter Paper, 33 cm dia, White, Cellulose, Grade 615, Standard, Non Wet-strengthened Grade Type, Circle Format, 0.25 mm Thickness, 25 µm Particle Retention in Liquid, 70 g/m2 Nominal Basis Weight, Fast Flow, Fine Porosity
Ahlstrom grade 615 is a fast filtering grade with a rough surface that is intermediate between grades 617 and 631. Flow rate: fast. Retention: 25 µ. Ahlstrom offers a complete range of low ash filter papers for general laboratory work that provides you with the correct combination of particle retention filtration speed loading capacity and wet-strength. All our qualitative grades consist of > 95% super refined a-cellulose and linter fibers.
| Diameter | : | 33 cm |
| Grade | : | 615 |
| Color | : | White |
| Material (ml/min) | : | Cellulose |
| Ash Content | : | 0.06% |
| Grade Type | : | Standard, Non Wet-strengthened |
| Type | : | Qualitative |
| Alpha Cellulose Content | : | >95% Super Refined |
| Filtration Speed | : | 29 sec/100 ml (Herzberg) |
| Format | : | Circle |
| Particle Retention in Liquid | : | 25 µm |
| Properties | : | Fast Flow, Fine Porosity |
| Thickness | : | 0.25 mm |
| Typical Water Flow Rate | : | 235 ml/min |
| Loading Capacity | : | High |
| Rapidity Filtration Speed | : | 235 ml/min |
| Klemm (Capillary Rise) | : | 36 mm/min |
| Basis Weight | : | 70 g/m2 |