Filter Paper is a filter tool commonly used in chemical laboratories. The common shape is a circle, which is mostly made of cotton fibers.

The double-circle qualitative filter paper covers most of the laboratory applications,  is often used for clarification of liquids. It is also used for qualitative analysis  separation of precipitates.

In industrial production filtration, it is often used to separate solid substances  extract liquids  related liquids,  as analysis filter paper, but as paper filter material, coarse filtration  western medicine liquid, crude filtration  fine filtration , To chemical product filtration, electroplating industry filtration, etc.

Double circle filter paper

Qualitative large sheets of filter paper: Large sheets of qualitative filter paper are mainly used for slag filtration in industrial production. Qualitative double-circle filter paper: Double-circle filter paper is mainly used for routine analysis  testing in the laboratory. Quantitative filter paper: Double-ring filter paper is used for routine quantitative analysis in laboratory industrial production. Reinforced filter paper: suitable for some users who have high requirements on the strength of filter paper.