2. Xi'an resin manufacturing chain material process flow First add benzoin into finely ground resin, raise the temperature to 120°C, stir thoroughly, and heat at a constant temperature (120°C) for 20 minutes. Add the hydroquinone after cooling to 80-60°C. Stir and heat up to 70°C,

When accepting the printing business, some customers nowadays often use printed seals as originals. Therefore, it is necessary to accurately determine what kind of printing method the print is used to print in order to explain the quality of the use of flexo, and also as a printer. Should have dis

Abstract: The packaging industry is one of the pillar industries of the national economy, and it has enriched many elements of advanced productivity. In the new era, packaging should inject "people-oriented" concepts, adhere to the scientific concept of development, advance and retreat w

Breaking paper is a headache for newspaper printing. Whether it is manual paper-cutting or automatic paper-cutting, it takes more than 10 minutes to cut a piece of paper. Frequent paper breaks can make operators miserable. The author was fortunate to have contact with UNISET and COLORMAN of manro

JMSmucker Company of the United States introduced a 64-ounce edible oil drum, with a bottle cap that has a clean pour spout and scale. It is hoped that the use of edible oil bottle caps, which are more uniform and easy to use, will make it easier for busy chefs and roasters to work. The cap that

【Abstract】The packaging of commodities has become an important factor in the company's competitive strategy. However, the behaviors that violate the marketing ethics in the current commodity packaging are numerous. This article analyzes the harm of morality in violation of backpac

Chlorine series cleaners have excellent cleaning ability, good drying properties, no burning, and low price, but the cleaners contaminate water quality and are therefore limited. Japan Confucius Industrial Co., Ltd. and Iwatani Chemical Industry Co., Ltd. jointly developed a non-polluting EE-3000

Australia's new Sipahh milk-flavored straw uses a patented Unistraw system to dissolve flavoured "beads" into the beverage as it passes through the straw. The system consists of straws, filters and flavoring particles in three parts, which overcomes the shortcomings of previous taste

3.2 Recycling of paper packaging waste 3.2.1 Significance of Recycling Waste Paper Packaging The paper raw material resources on the earth are limited. The production of paper not only consumes limited resources and consumes large amounts of energy, but also generates large amounts of waste wate

Commodity packaging and decoration and commercial advertising are all subordinate to the field of commercial marketing, but they have different attributes and management methods, so they are also divided into two different systems. The so-called advertising of modern packaging and decorating refe

The difficulty in printing on metals with thermosetting coatings is that these coatings have higher hardness characteristics. The hardness of the thermosetting coating will be affected by the resin system, the coating method and the coating curing method. The higher the temperature of the curing p

A polypropylene plastic film is coated on the surface of prints such as book covers to increase the surface brightness, and it has functions such as moisture-proof, anti-fouling, and folding-resistance. After the film is coated, it appears bright and luxurious, and the grade value is greatly impro