home_Icon.png :>>>Qualitative Filter Paper Grade: BIO-4

Qualitative Filter Paper Grade: BIO-4

Grade: BIO-4
Particle Retention: 20μm
Product Appearance: Smooth
Filtration Speed: Fast
Ash Content(%): <0.06
Thickness(mm): 205
Basis Weight(g/m2): 96
Wet Burst(psi): 0.7



It is very suitable for the rapid filtration of conventional biological liquid and organic leach in the analysis. In the air pollution monitoring, the high velocity is only required but the collection of fine particles is not strict.


All the filter paper passed the ISO9001 & CE both certificate
Full range of common size and provide customized services
All the filter paper produced under the strict sanitary monitoring
Manufactured from alpha-cellulose and high-quality cotton linters
High purity and good performance to insure the result of testing
Pre-cut qualitative filter paper is convenient for you to use


1.Extremely fast filtration rate, able to capture coarse particles and gelatinous precipitates such as iron hydroxide and aluminum hydroxide
2. Fast retention with pore size 20-25μm
3. Common size and type available, also can customize for you


It is very suitable for rapid filtration of biological or organic extracts in daily analysis
It is also suitable for the filtration of coarse granules, culture media, and colloidal sediments.

Grade Comparison

Qualitative Filter Paper Grade BIO-4_Grade Comparison

Guide for Filter Paper


Technical Data

Qualitative Filter Paper Grade BIO-4_Technical Data

Ordering Information

Qualitative Filter Paper Grade BIO-4_Ordering Information
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