The process of making synthetic cellulose sponge is simple if the right equipments are available in the factory. The cellulose that is used to make sponge comes in large, stiff sheets. These sheets are soaked in water and are mixed with some chemical softeners to make it soft and like jelly. A revolving mixer is then used to mix these jelly like cellulose and sodium sulphate crystals are added.
Dye and cut hemp fibers are also added to this mixture and it is churned so that it is amalgamated. This amalgamated mixture is then poured in to mold of rectangular shape and are heated. This mold has openings in the bottom to drain off the melted sodium sulphate crystals during heating. It is due to the melting of the sodium sulphate crystals that you find pores in the sponge. The size of the sodium sulphate crystals determines the size of the pores in the sponge. Fine sponge is made with fine crystals. The mixture is cooled to make it hard and porous.
[tags]Cellulose, Sponge, Chemicals, Porous[/tags]