Common problem
Disposable paper cups, paper cups used in general. The
so-called paper cup paper, paper than the average need more treatment
on the seepage, but also because of direct contact with the mouth, need
to reach food-grade standards. General paper in
order to achieve whiteness, often add fluorescent brighteners, and
fluorescent brighteners are carcinogenic, so the production of paper
base paper can not add ordinary fluorescent brightener, only add food
grade brightener. In addition, the production of
base paper, the need for PE lamination (that is, the surface of the
paper topped with a layer of plastic-like things), the purpose of the
first PE is to leaching water seepage, and second, as the paper cup
molding as an adhesive At the same time according
to the different PE lamination, but also can be divided into
single-sided PE coated paper and double-sided PE coated paper.
