Cross non woven fabric/ Cambrella Fabric

Non-woven bags are classified by printing process

by:Sunshine     2020-05-21
First, silk-screen non-woven fabric bag, that is, non-woven fabric bag made by printing patterns through screen printing process. Screen printing non-woven bag printing steps: 1. Making screen plate; 2, the previous version (Install the screen version on the screen printing device); 3, environmental ink color; 4, printing debugging (Only one or a small amount, debug the position of the substrate); 5 positioning; 6, batch printing production. Silk screen printing non-woven bag limitations 1, single color, can not print transition color. 2, the difficulty coefficient of the combination color is large; 3. The environmentally-friendly ink used in silk-screen non-woven bags is slower than the ink drying speed and the printing speed is slower. Advantages of silk screen non-woven fabric bags 1. Low plate making cost, small batch production and low cost of non-woven fabric bags. 2, screen printing non-woven bag, thick ink layer, strong coverage, more three-dimensional. Second, flexo non-woven fabric bag, that is, non-woven fabric bag made of flexo printing. Flexo printing is flexo printing, which is a direct printing method using convex flexible graphic printing plates. The material used as a non-woven bag flexographic plate is generally a rubber sheet. Flexo non-woven fabric bag Step 1: glue the rubber sheet on the printing plate roller; 2. Pour the ink into the ink shell, and supply the ink by the metal engraved anilox roller; 3. Start the printing machine and transfer the ink from the anilox roller to the rubber plate and transfer it to the non-woven fabric. Flexo non-woven bag original design requirements 1, pattern design lines, color blocks to spot color is better; 2 ,. Too thin lines are difficult to achieve and should be avoided in design; 3, pattern design should avoid combination color; 4, design printing color as much as possible with the cloth color contrast; 5, flexo printing is thin, domestic flexo printing machine is difficult to print white and yellow. Advantages and disadvantages of flexo printing non-woven fabric bags: 1. Flexo printing is flexible and economical, and is very beneficial to environmental protection; 2, flexo printing is faster than silk screen printing, low cost; Disadvantages: Flexo Ink layer thin coverage is poor, suitable for light-colored non-woven printing heavy color, domestic flexo printing machines generally can not print white, yellow. The development trend of flexo non-woven fabric bags, judging from the current situation in our country, silk screen non-woven fabric bags are relatively popular, and intaglio color printing and thermal transfer printing have also occupied a large market, however, flexo printing started relatively late. Although great progress has been made in recent years, there is still a big gap with the international advanced technology. Third, color printing non-woven bags, color printing non-woven bags are non-woven bags printed with color patterns. It has colorful and rich features. Comprises a non-woven coated bag and a non-woven thermal transfer bag. Color printing non-woven bag printing process gravure printing this process is divided into two steps, that is, the traditional gravure printing process is used to print the picture and text onto the film, and then the patterned film is compounded on the non-woven fabric by the film coating process. Generally, non-woven bags printed with large-area color patterns adopt this process. It is characterized by exquisite printing, machine production in the whole process and short production cycle. In addition, the product has excellent waterproof performance, and the durability of the finished product is better than that of non-woven bags produced by other processes. The film is available in both bright and Matt, and the Matt has a matte effect! The product is fashionable, durable, full of color and vivid pattern. The disadvantage is that the price is slightly more expensive than the usual silk-screen non-woven fabric. Thermal transfer thermal transfer is a special printing in printing! The method requires an intermediate medium, I . e. the picture and text are first printed on a thermal transfer film or thermal transfer paper, and then the pattern is transferred to a non-woven fabric through a transfer device for heating. The medium commonly used in textile printing is thermal transfer film. Its advantages are: beautifully printed, rich in layers, comparable to photos. Suitable for small area color image printing. The disadvantage is that the printed pattern is easy to fall off and expensive. Fourth, thermal transfer non-woven bag is a non-woven bag with thermal transfer as the printing process. Thermal transfer is to print any picture such as landscape painting or character pattern on high-precision printing paper using thermal transfer ink, and then heat the pattern to the surface of the non-woven fabric at a high temperature and high pressure by the heat transfer machine, A special process for transferring the color of the image on the printed paper to the non-woven bag. Thermal transfer non-woven fabric bag manufacturing process 1, making pictures with higher resolution to be printed; 2. Print the printed pattern on the thermal transfer paper through the thermal transfer printer; 3. Print the pattern to the non-woven bag with a hot stamping machine. Features of thermal transfer non-woven fabric Bag: 1. The pattern is exquisite and realistic, with rich layers, bright colors and good reproducibility, which can meet the requirements of the designer. 2, each color pattern is formed at one time, no need to color. 3, the pattern cover rate is high, the adhesion is strong, breathable, not sticky, not cracked, washable and not falling off. 4, in line with green printing standards, no environmental pollution. Thermal transfer non-woven bags have some disadvantages. Advantages 1. Printing steps are simple. No need to make a plate, print a plate, and repeat the steps of coloring; 2, can accurately print high-precision pictures, can have color transition, the pattern is realistic. Disadvantages 1. The technology is difficult, and the printing pressure is difficult to control. 2, due to the need to use high-quality imported transfer paper and ink, the cost is high, suitable for small area color printing non-woven bags.
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