Qualitative Filter Paper Biology Grade: BIO-6

Grade: BIO-6
Equivalent to Whatman Grade 6
Filtration Speed: Slow
Product Appearance: Smooth
Particle Retention: 3.0μm
Basis Weight(g/m²): 105
Ash Content(%): <0.06
Thickness(mm): 180
Wet Burst(psi): 0.3

Availability: In Stock


Description of Qualitative Filter Paper Grade 6

Hawach lab filter paper BIO-6 is a star product equivalent to Whatman’s Grade 6 with a more competitive price, which has a high retention rate. If you want to buy filter paper with a slow flow rate (pore size 3μm), BIO-6 will be your best choice.

The biology filter paper is easy to obtain materials and easy to use. They are widely used in biological experimental research and school experimental teaching. Filter paper plays a unique role in improving students’ STEM literacy. Lab filter paper is popular in food operations and used in a variety of conventional techniques to separate solid food from related extracts.

buy lab filter paper

Features of Qualitative Filter Paper Grade: BIO-6

  • BIO-6 is equivalent to Whatman Grade 6;
  • Disc and roll type, regular size, or customized size and shape are all available;
  • Lab biology filter paper for the needs of the experiment;
  • Pore size 3μm with high retention and slow flow rate;
  • Broad pH tolerance and thermostable up to 120°C;
  • Laboratory apparatus uses;
  • Customized sizes and shapes are available.


  • Filter paper biology passed by double approved by ISO9001 & CE;
  • Lab filtration paper is usually used for filter funnel and a Buchner funnel;
  • Filter paper laboratory apparatus uses can remove sediment from the liquid;
  • Buy lab filter paper for 55, 70, 90, 110, 125, 150, 180, 185, 240, 270, and 300mm diameter;
  • Lab filtration paper easy to use: pre-cut filter paper for use directly;
  • According to the different requirements of customers and OEM service for many customizations.

Fold the lab filter paper into a suitable shape before use. A common folding method is to fold the filter paper into a flower-like shape. The higher the degree of folding of the filter paper laboratory apparatus uses, the higher the surface area that can be provided, and the better the filtering effect, but care should be taken not to over-fold and cause the filter paper to rupture.

Filter paper is often used together with a laboratory apparatus funnel, using the filter paper body and the ability to trap solid particles to separate liquid and solid. Same to qualitative 2.5 micron filter paper, choosing material grade is often based on particle retention, filtration speed, filter weight, and other specifications. Buy lab filter paper and communicate with Hawach at the best price!

Grade Comparison

Hawach Scientific Co., LtdWhatmanAdvantecMunktellAhlstromMacherey Nagel
BIO-6Grade 61311290/1001950619eh

Guide for Filter Paper


Technical Data

Ash Content
Basis Weight
Wet Burst
(mm H2O)
BIO-63.0μmSmoothSlow<0.184> 180

Ordering Information

Item #DescriptionPore SizeDiameterPackage
BIO-6-055Grade 6, slow flow rate3 μm55mm100pcs/pk
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