How To Choose The Hawach Right Filter Papers?

Choosing the right filter for your filtration will be a big help to make sure that you can get the desired results for your applications.You can select a suitable filter material and size, after you consider whether you need vacuum or gravity filtration. Since there are so many types and sizes of filter papers available, you should know how to choose the right one.

When you choose the filter material, you need to consider chemical compatibility, pore size and your filtration method upon the different filter types suitable for different methods.In addition to the material and method, you should consider the amount of your filtration and select the filter of right size.

Hawach provides qualitative and quantitative filter papers. The qualitative filter paper is perfect to identify the properties of substances in qualitative analysis. And the quantitative filter paper is for filtration after the filtration. Hawach’s full lines of different filter paper products can always meet your needs of different levels of purity, hardness, flow rate, loading capacity, and chemical resistance.

Knowledge of Technical Index
The technical index of the filter paper can be divided into two aspects, one is the filter characteristic of the filter paper and the other is the physical property. The filter characteristics include air permeability, gas resistance, maximum pore size, and average pore size. Physical properties include quantitative, thickness, stiffness, corrugation depth, durability, resin content, etc.

The Function of Filter Paper

Most of the filter paper are made of cotton fiber and processed with different methods according to different purposes. As one kind of fiber products, there is countless micropore on the surface of filter paper to let liquid particle go through. On the other hand, the solid particle with larger sizes cannot go through the filter paper. By this feature, filter paper can be used to separate solid matters from liquid matters.