CYTIVA WHATMAN Qualitative Filter Paper: 4 Grade, 9 cm Dia, 0.21 mm Thick

CYTIVA WHATMAN Grade 4 qualitative filter paper is used for general laboratory filtration of medium-sized particles. Its medium porosity and 0.21 mm thickness make it suitable for clarifying solutions, collecting precipitates, and routine analytical separations in industrial and research labs.

The CYTIVA WHATMAN 1004-090 is a Grade 4 qualitative cellulose filter paper with a 9 cm diameter, 0.21 mm thickness, and medium porosity. It is not fluted. This medium-speed paper is designed for qualitative analysis where ash content is not critical.

3G Electric supplies CYTIVA WHATMAN 1004-090 qualitative filter paper worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this Grade 4, 9 cm diameter medium-porosity paper.

Select Whatman qualitative filter paper grade based on particle retention and flow rate. Grade 4 (medium porosity, 0.21 mm thick) is ideal for rapid filtration of coarse to medium precipitates. For finer particles, choose Grade 1 or 2; for faster flow, Grade 3. Always match the paper to your application's particle size and volume.