Polyacrylamide is a kind of linear high molecular polymer, which is one of the most mainstream water treatment chemicals in the current market, and has a very wide range of applications in many industries.

When using polyacrylamide, it will be dissolved in water to form a certain concentration of water solution. Due to the special structure of polyacrylamide, a very small amount of polyacrylamide is often added. In the laboratory test, it is generally prepared as 0.1% - 0.3% water solution. Due to the large molecular weight of polyacrylamide, the dissolution efficiency is very slow, and it often takes 20 to 30 minutes to completely dissolve. In addition, polyacrylamide itself has a certain viscosity, so the aqueous solution of polyacrylamide will often appear drawing phenomenon, which is also the phenomenon of polyacrylamide aqueous solution must appear.

When there is no problem with the general dosage and configuration in water treatment, the phenomenon of wire drawing will not occur. Once the phenomenon of wire drawing occurs, it means that the dosage of medicine added in water is too large or the concentration is too high. In this case, the dosage can be reduced or a large amount of water can be added to dilute it.