Wax coating or wax dipping on the surface.

Second, the use

1, waxed paper, used to wrap things, can be moisture-proof. Extremely moisture-proof, waterproof and oil-proof permeability. Before coating, the base paper should be kept dry enough to ensure the penetration of wax liquid.

Melt dip coating is often used. Solvent coating or slit coating or coating on the drying section of a paper machine or calender can also be used. Base paper is mainly made of kraft paper pulp. According to the requirement of absorbing capacity when waxing, decide whether to size.

Generally, no filler is added, and the base paper can be dyed or printed before waxing. Mainly used for various food packaging (such as candy paper, bread paper, vermicelli carton, biscuit carton and packaged meat products, etc.). ).

2. Wax-soaked paper is used for mimeograph after carving or typing.

Extended data

Waxed paper gradually withdrew from the office. It is impossible for anyone to engrave waxed paper and mimeographed documents now. The history of wax paper should not be long, but this wax paper is different: the wax paper in Su Dongpo's poems about Lu You is all decorated with lanterns, not with such lettering.

As for this kind of wax paper for mimeographed leaflets, it is estimated that it was invented by westerners. From the notices posted on the streets of the revolution in the Republic of China to the leaflets dropped upstairs in the early days of the Cultural Revolution, most of them were attributed to waxed paper.

Baidu encyclopedia-waxed paper