Basics of Filter Papers
General Categories of Filter Papers
All the Filter Papers of Hawach Scientific Co., Ltd are made of cotton fiber, which can also be divided into qualitative filter papers and quantitative filter papers. The former can be confirmed its compositions and possesses a standard level and a wet strong level. Similarly, the later one telling how many bits of substances in the transportation is distributed into other three sub-levels, which is decided by the ash amount. To express this in a specific way, there are ashless, Hardened low ash and hardened ashless grades.
Technical Parameters of Filter Papers