Description
Ahlstrom® Qualitative Filter Paper, Grade 615, 25 Micron Retention, 40 cm, 100/PK, 6150-4000
Features:
- Intermediate grade between Grade 617 and Grade 631
- Has rough surface and is used for filtering aluminum, ferric and magnesium hydroxides
- Also found in general construction filtration work and in filtration of insoluble iron and ore
- Non wet-strengthened
- Suitable for quadrant folded or gravity flow applications
- Equivalent to Cytiva® Whatman® Grade 91
Specifications
| Range | Particle retention: 25 micron |
|---|---|
| Range | Filtration Speed (Hertzberg): 29 secs/100 mL |
| Range | Filtration Speed (Rapidity): 235 mL/min |
| Range | Weight: 70 g/sq m |
| Capacity | Loading: high |
| Material | alpha-cellulose 70% cotton/30% wood fiber |
| Other | Surface texture: creped |
| Other | Ash content: 0.06% |
| Dimensions | 40 cm diameter x 0.25 mm thickness |
| Manufacturer | Ahlstrom |
| Model No | 6150-4000 |