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Packing Bag Manufacturer Introduces the Characteristics of Various Materials and Printing Method

Date of release:2019-05-23 Author:瑞茂 Click:

 

Many food manufacturers will use food packaging bags, that is, the packaging bags used to pack all kinds of food. 90% of the food in supermarkets are packaged with food bags. Many customers do not know how to choose the material of food bags when they do it once. Today, the packaging bag manufacturers will help you introduce all kinds of materials. Characteristic, convenient food production enterprises can accurately select materials when making food bags

1: Bi-directional Tensile PET Film: High Transparency, High Temperature Resistance, Prevent Tensile

2: Cast Polypropylene CPP: General transparency, high temperature resistance, low temperature resistance - 40 degrees - 120 degrees

3: Polyethylene PE: transparent, heat-resistant, soft, can be vacuum, but the sealing is not particularly good.

4:NY/Nylon: Colorless, transparent, good sealing, with PE is a good vacuum material.

5: Aluminum foil/AL: Silver, opaque, good anti-friction and barrier performance, good moisture-proof material

包装袋

At present, gravure printing is the main printing method of food packaging bags, which is also called copperplate printing in packaging bags industry.

The principle of electronic engraving gravure; the use of electronic engraving machine, the use of photoelectric principle, control the engraving knife, carving holes on the surface of the drum, its area and depth change at the same time.

The design drawings of the pattern, text carved on the drum, according to the depth of color, the depth of carving on the drum is also different. The printing effect of food packaging bags depends entirely on the accuracy of cylinder engraving. The printing effect of food packaging bags directly reflects the value of products.

It should be noted that the price of printing drum is closely related to the size of food packaging bags and the quality of drum. The quality of the drum directly affects the cycle life of the drum.


The address of this article:http://en.ruimaokj.com/news/424.html

Key word:包装袋,包装膜,复合膜

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