Ahlstrom 9090-5000 Qualitative Filter Paper Wet-Strengthened, Grade 909, 500 mm, 100/pk

This filter paper is ideal for routine qualitative filtration, including liquid clarification and precipitate separation in environmental, food, and general laboratory analysis. It performs well in workflows where durability and consistent results are required.

Wet-strengthened filter paper is specially treated to resist tearing and maintain structural integrity when saturated with liquid. This makes it particularly useful for vacuum filtration or handling heavy sample loads without breaking.

Grade 909 offers enhanced durability and strength compared to standard grades, while still maintaining a balanced filtration speed and reliable particle retention. It is a good choice when standard filter paper may tear or fail under wet conditions.

The 500 mm size provides a large filtration surface area, making it suitable for high-volume filtration and industrial-scale laboratory processes. It helps increase efficiency by reducing the need for frequent filter changes.

Yes, thanks to its wet-strengthened construction, this filter paper is well-suited for vacuum filtration setups where additional mechanical strength is required to withstand pressure and flow.