Different Printing Introduction Of Oem Portable Beach Mat Wholesalers
Non-woven bags generally use screen printing process, which is often called "screen printing", which has always been a common printing process for many Folding Camping Desk Manufacturers. Generally, it is printed manually, so the color of the process is not easy to control. However, as customers continue to increase the exquisiteness of product printing and environmental protection requirements, many new printing methods for non-woven bags have emerged, mainly including: watermark, gravure printing, thermal printing, etc. transfer printing.
Here we introduce the mainstream non-woven bag printing methods currently on the market.
1. Watermark
It is named for its use of water-based elastic glue as the printing medium. It is more common in textile printing and is also called printing. When printing, mix the color paste and water-based elastic glue. There is no need for chemical solvents when washing the printing plate, and it can be washed directly with water. It is characterized by good tinting strength, strong covering and fastness, washable, and basically no peculiar smell.
2. Gravure printing
The finished product processed by this method is usually a peritoneal non-woven bag. This process is divided into two steps, that is, the traditional gravure printing process is used to print the picture and text on the film, and then the film with the pattern is laminated on the non-woven fabric by the lamination process. Generally, non-woven bags with large-area color pattern printing adopt this process. It is characterized by exquisite printing, machine production throughout, and short production cycle. In addition, the product has excellent waterproof performance, and the durability of the finished product is better than non-woven bags produced by other processes. The film is available in gloss and matt, with matt having a frosted finish. The disadvantage is that it conflicts with the concept of environmental protection, because the film is difficult to degrade.
3. Heat transfer printing
Heat transfer printing belongs to special printing in printing. This method requires an intermediate medium, that is, first print the graphics and text on the thermal transfer film or thermal transfer paper, and then transfer the pattern to the non-woven fabric by heating the transfer equipment. The commonly used medium in textile printing is thermal transfer film. Its advantages are: exquisite printing, rich layered version, comparable to photos. Suitable for small area color image printing. The disadvantage is that the price is high and the printing cost is high.
4. Features of screen printing for non-woven bags
1. Not limited by the size and shape of the substrate. General printing can only be carried out on a flat surface, but silk screen printing can not only print on a flat surface, but also on special shapes and concave-convex surfaces, and can also print various super-large advertising paintings, curtains, and curtains.
2. The layout is soft and the printing pressure is small. The screen printing plate is soft and flexible, and the printing pressure is small, so it can not only print on soft substrates such as paper and textiles, but also print on glass and ceramic vessels that are easily damaged by pressure.
3. The ink layer is thick and has strong covering power. The ink thickness of screen printing can reach 30μm～100μm, therefore, the covering power of the ink is particularly strong, and it can be used for pure white printing on all black paper. The ink layer of screen printing is thick, and the printed graphics and texts have a strong three-dimensional effect, which is unparalleled by other printing methods.
4. Suitable for various types of ink. The wide range of inks used in silk screen printing has exceeded the definition of usual inks. In fact, there are pastes, plastics, paints, adhesives or solid powders. Therefore, screen printing inks are sometimes collectively referred to as "printing materials".
5. Strong light resistance. OEM Portable Beach Mat Wholesalers generalized ink classification problem should be divided according to the printing plate type, that is, divided into letterpress ink, lithographic ink, gravure ink and filter plate ink. However, such a classification is too principled and cannot express the full reality. In recent years, due to the increasing variety of inks and the continuous emergence of new designs and colors, there are limitations in dividing only by type.
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