The biggest difference between digital printing and traditional printing

The biggest difference between digital printing and traditional printing is that digital printing eliminates steps such as film output and plate-making, enabling direct printing from a computer to paper. Its imaging principle also differs significantly from offset printing. Digital printing is well-suited for small-run, personalized print jobs—ranging from just a few copies to as many as hundreds. If you’d like to create your own custom books, such as commemorative albums, travel journals, or photo collections, using digital printing is the most economical and ideal choice. The operating principle of a digital printer involves charging a photosensitive drum with an electrostatic charge. The printer’s controller then projects the dot-matrix information corresponding to the desired content (such as characters) onto the drum using a laser beam.

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What are the advantages and disadvantages of flexible composite packaging bags?

Flexible composite packaging bags have become deeply integrated into our daily lives. So what are their advantages and disadvantages? Let’s take a look together below! Advantages of Flexible Packaging Bags Color-printed packaging bags boast excellent intrinsic properties, offering superior moisture and gas barrier performance. They are widely used in the packaging industry to package products of various forms—such as food, grains, and powdered substances—as well as electronic goods. For perishable items, they can effectively extend shelf life and storage duration. Lightweight and space‑saving, these bags help conserve space during transportation and storage, thereby reducing costs. Moreover, color-printed packaging bags serve both as transport packaging and as retail packaging.

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How can you tell whether a plastic packaging bag is made of PE or PVC?

As everyone knows, plastic packaging bags come in many materials, but the two most common are PE and PVC. PE plastic packaging bags are primarily made from polyethylene, offering excellent low-temperature resistance, good stability, and resistance to most acids and alkalis. PVC plastic packaging bags, on the other hand, are mainly produced from polyvinyl chloride resin and are manufactured by processing PVC film. They feature light weight, thermal insulation, heat retention, moisture resistance, and flame retardancy. So how can we tell whether a plastic bag is made of PE or PVC? There are four main methods: Identification methods:

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A Brief Discussion on Common Misconceptions in Packaging Use

Since the invention of plastic packaging bags, their lightweight, low-cost, and high-strength qualities have made them immensely popular. People have grown accustomed to using plastic bags to carry various items. The market offers countless types of plastic packaging bags, with an almost endless array of colors—so which kind is really the best? Do we truly know how to choose the right plastic bag? Although we use plastic bags almost every day, our choices often fall into common misconceptions. (1) The thicker the plastic bag, the sturdier it must be. In everyday life, we frequently encounter a wide variety of plastic packaging bags,

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How many types of zip-lock packaging bags are there?

Plain Zipper Bags Plain zipper bags are typically larger in size and made from woven fabric, transparent PE, or OPP plastic film. They feature standard plastic zippers and are commonly used to package bulky items such as quilt outer packaging or large, simple luggage bags. Document Zipper Bags Document zipper bags are also known as slider zipper bags. They can hold numerous documents, pens, and small items. Made from a unique cold-resistant double-layer PVC material, they offer excellent flexibility, moisture resistance, and waterproofing, making them ideal for use in study, daily life, home, and travel settings. Invisible Zipper Bags Invisible zipper bags, also called bone‑fitting zipper bags, are generally made of composite materials.

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Is polyethylene toxic?

“Polyethylene itself is non‑toxic. It is broadly classified into high‑density polyethylene, low‑density polyethylene, and linear low‑density polyethylene. Polyethylene has a matte, milky‑white, waxy, granular appearance; it is corrosion‑resistant, exhibits low water absorption, and possesses excellent electrical insulation properties. Its production processes are mainly divided into the high‑pressure tubular process and the autoclave process. It is primarily used in agricultural films and industrial packaging films.”

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What is high-density polyethylene?

High-density polyethylene (HDPE) is a white powder or granular product. It is non‑toxic and odorless, with a crystallinity of 80%–90%, a softening point of 125–135°C, and a service temperature that can reach 100°C. Compared with low-density polyethylene, it exhibits superior hardness, tensile strength, and creep resistance; it also offers good wear resistance, electrical insulation, toughness, and cold resistance. HDPE demonstrates excellent chemical stability: at room temperature, it is insoluble in any organic solvent and resistant to corrosion by acids, bases, and various salts. Its films have low permeability to water vapor and air and exhibit minimal water absorption. However, its aging resistance is poor, and its resistance to environmental stress cracking is inferior to that of low-density polyethylene; in particular, thermal oxidation tends to degrade its performance.

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The differences between PVC and PE materials, as well as the applications of each material.

1. Differences in applications: Polyethylene (PE) applications: cling film, vest‑style plastic bags, plastic food bags, buckets, water bottles, and more. Polyvinyl chloride (PVC) applications: cling film, plastic shoes and leather goods, thin films, cables, and plastic bags. 2. Different characteristics: Polyethylene (PE) feels waxy to the touch; compared with other plastics of similar type, it is relatively lightweight and somewhat transparent. Polyvinyl chloride (PVC): a rigid plastic commonly used in industrial applications. 3. Material property differences: Polyethylene, abbreviated as PE, is a polymer of ethylene and is non‑toxic. It is easy to color, exhibits good chemical stability, and is resistant to…

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3 Tips for Color in Print Design

Whether it’s graphic design or web design, color is always the most crucial element. When we’re standing at a distance from the screen, what we notice isn’t the elegant layout or the beautiful images—it’s the colors of the webpage. There are many principles behind color theory, and it’s impossible to cover them all here. Readers can consult relevant design books for a more systematic understanding. For now, we’d like to share just a few practical tips for choosing color schemes in web design. 1. Stick to a single color. Start by selecting one base color, then adjust its opacity or saturation. This approach creates a cohesive, well‑structured page with visual depth.

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What’s the difference between “PVC” and “PE”?

1. Applications Polyethylene (PE) applications: cling film, vest‑style plastic bags, plastic food bags, buckets, water bottles, and more. Polyvinyl chloride (PVC) applications: cling film, plastic shoes and leather goods, thin films, cables, and plastic bags. 2. Characteristics Polyethylene (PE) feels waxy to the touch; compared with other plastics of similar type, it is relatively lightweight and somewhat transparent. Polyvinyl chloride (PVC) characteristics: a rigid plastic commonly used in industrial applications.

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