In general, the production of molded pulp involves a water suspension of fibers being deposited onto a screened mold. A vacuum is then applied and the fiber-mat starts to develop some strength. Water can be removed by pressure applied to the slurry by means of a matched mold.

What is pulp molding process?

The molding process of pulp molded products is mainly through a series of methods such as vacuum molding and grouting molding, so that the raw pulp fibers are formed into the shape designed by the mold, and vacuum molding is the most commonly used and most effective one.

What is molded pulp made from?

Molded pulp packaging is made from a variety of fibrous materials, such as recycled paper, cardboard or other natural fibers (sugarcane, bamboo, wheat straw). The raw materials help determine the color, surface texture and strength of the packaging. … So, unlike cardboard boxes, it does does not start as a flat sheet.