Grade 802 18.5cm Diameter 100/Pk 100/Pk SKU: 5802-185

Qualitative Filter Paper - 5802-185

Laboratories processing dozens of samples daily need a qualitative filter paper that performs reliably from the first sheet to the last. Medium retention grades capture suspended solids while maintaining flow rates suitable for routine laboratory sample throughput requirements. On this basis, controlled manufacturing delivers the documented retention, flow rate, and physical consistency that analytical and preparative filtration methods require.

Key Filter Paper Characteristics

• Particle retention rating of 15um defines the separation threshold for the application, determining which solids are captured and which pass through.
• Pure cellulose fiber construction delivers consistent flow rates and predictable retention for general sample clarification and preparation.
• Standard qualitative cellulose filter paper provides reliable particle retention for gravity and vacuum filtration across routine laboratory workflows.
• Available in precut circles and sheet stock to match funnel sizes and custom cutting requirements across laboratory applications.
• Wet strength sufficient for gentle handling during precipitate transfer while maintaining the rapid flow rates of qualitative grades.

Scaling your method from development to routine production requires paper consistency at every lot, and the specifications above provide that assurance. Consistent sheet-to-sheet performance reduces the variability your operators encounter during high-volume daily filtration workflows. Elevate the quality of your analytical data today by standardizing on a filtration product built to meet the exact specifications of your applications.

Diameter

18.5cm

Flow Speed

Fast

Folded/ Fluted/ Pleated

Yes

Grade

802

Hardened (Yes/ No)

No

Material

Cellulose Fiber

Nominal Basis Weight (g/ m²)

73g/m²

Particle Retention

15um

Pore Size (µm)

8.0-12.0

Qualitative/ Quantitative

Qualitative

Sterility

Nonsterile

Wet Strengthened (Yes/ No)

Yes

Wettability

Hydrophilic

• Teaching Laboratory - Provides consistent and economical filtration media for student exercises in analytical and general chemistry.
• Polymer Filtration - Clears particulates from polymer solutions before molecular weight determination by viscometry or GPC.
• Gelatin Clarification - Removes debris from gelatin solutions used in pharmaceutical capsule manufacturing and quality testing.
• Beverage Testing - Filters wine, beer, and juice samples before clarity and color measurements in food quality control laboratories.
• Soil Extract Filtration - Clarifies soil slurries for nutrient and pH testing, removing fine particles that interfere with analysis.
• Precipitation Recovery - Collects insoluble reaction products on the paper surface for subsequent washing and downstream analysis.