We have retired the old website, please let us know if you encounter any issues here

Filter by Product categories
Filter by Product categories

Standard Qualitative Filter Paper Grade 304, Johnson

This grade covers a wide range of laboratory applications and is used for clarifying liquids and for rapid filtration of coarser precipitates such as lead sulfate, lead chromate, calcium oxalate, calcium carbonate, aluminum phosphate, barium carbonate and beryllium hydroxide. Grade 304 can be found in soil analysis, seed testing and in air pollution to collect dust-laden air and is also commonly used in the food industry to separate foodstuffs from the associated liquid of extracting liquid.

In Stock: Yes

Key Specification

Product Code Diameter (mm) Johnson Grade Speed Class Thickness (mm) Pore Size (μm) Weight (g/m²) Filtration Speed (sec*) Burst Strength (Kg/cm²)
304055 55 304 Medium Filtering 0.16 5-13 73 88 1.95
304070 70 304 Medium Filtering 0.16 5-13 73 88 1.95
304090 90 304 Medium Filtering 0.16 5-13 73 88 1.95
304110 110 304 Medium Filtering 0.16 5-13 73 88 1.95
304125 125 304 Medium Filtering 0.16 5-13 73 88 1.95
304150 150 304 Medium Filtering 0.16 5-13 73 88 1.95
304185 185 304 Medium Filtering 0.16 5-13 73 88 1.95
304240 240 304 Medium Filtering 0.16 5-13 73 88 1.95
304300 300 304 Medium Filtering 0.16 5-13 73 88 1.95
304320 320 304 Medium Filtering 0.16 5-13 73 88 1.95

Description

Product Code Diameter (mm) Johnson Grade Speed Class Thickness (mm) Pore Size (μm) Weight (g/m²) Filtration Speed (sec*) Burst Strength (Kg/cm²)
304055 55 304 Medium Filtering 0.16 5-13 73 88 1.95
304070 70 304 Medium Filtering 0.16 5-13 73 88 1.95
304090 90 304 Medium Filtering 0.16 5-13 73 88 1.95
304110 110 304 Medium Filtering 0.16 5-13 73 88 1.95
304125 125 304 Medium Filtering 0.16 5-13 73 88 1.95
304150 150 304 Medium Filtering 0.16 5-13 73 88 1.95
304185 185 304 Medium Filtering 0.16 5-13 73 88 1.95
304240 240 304 Medium Filtering 0.16 5-13 73 88 1.95
304300 300 304 Medium Filtering 0.16 5-13 73 88 1.95
304320 320 304 Medium Filtering 0.16 5-13 73 88 1.95

Application

No content available for Application

Features

No features available

Related Products

Go to Top