what is retention in paper industry

Industrial Goods 08288000020 | Sunam road, Gobind Pura Colony, Industrial area, Plot no. D-1,2,3, Sangrur, Punjab 148001
The paper industry and retention and drainage chemical suppliers are continually striving to enhance paper quality, boosting productivity, and trim down the cost of production. Additives are also introduced to the paper industries. Retention aids are the main things used to lessen the expense of raw materials and the paper mill industry.