The particles can be captured by the filter network and deposited by gravity in some of the interior space formed by the fibers.

In any case, the efficiency of retention of a filter paper is also determined by the other factors related to the liquid, which can be: the pH value, the viscosity and concentrations of the liquid to be filtered as well as the form and composition of the particles in suspension in it.

Other causes or properties of the filter also affect the efficiency of retention: level of refinement of the cellulose fibers, resistance to the moist state of the filter, thickness, nature of the surface, etc.

So due to the extremely complex mechanisms on which filtration depends, it is sometimes impossible to theoretically determine the most adequate filter for filtration. It is this moment when, in the case of difficult filtration, it is essential to do some comparative testing of filtration between various samples of filter paper according to the parameters of retention that need.

We are aware of the difficulties of some operations of filtration and because of this we are willing to help you resolve your problems of filtration for which we have our own laboratory for quality control and development of new products.