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Is the non-woven bag screen printing or laminating? What's the difference?

Some customers asked whether the non-woven bag is screen-printed or laminating? What's the difference between the two? Here Lu Xiaoyin will tell you about this issue in detail;


As for which process to choose, it still depends on your needs.

If your requirements are not high and you want to do common types, you can directly choose screen printing. Screen printing can also be color-printed, but it is not recommended to use too many colors.

If you have a lot of colors for the layout design, it is recommended that you choose the lamination type, because the lamination type is printed in color. It can be said that as long as you can design it, we can print it for you.


Non-woven bag modeling styles, bag styles are diverse, can meet different needs.

Classified by shape: three-dimensional bag, flat bag (common bag without thickness), bottom organ bag (that is, the bag with thickness at the bottom and no thickness on the surface), non-woven bag with laminated (covered) film, vest bag, folding bag (purse bag), rope bag, hand rope bag


Classification by pattern: solid color (plain color) bags, color bags, heat transfer bags, offset bags, embroidery bags, silk screen bags (usually bags with printed colors)

By size: standard size bags, mini bags, extra large bags,


According to different age levels, bags can be divided as follows: cartoon bags are suitable for some children, simple bags are suitable for friends who like simplicity, DIY bags are suitable for friends who like to design, and customized bags are suitable for Some companies cooperate with his products to sell in order to achieve the benefits of publicity.


Proper storage, the bag lasts longer

⒈Put the bag in a dry place and avoid sunlight;

⒉ It is strictly forbidden to contact with corrosive substances;

3. Use the handle carefully, otherwise it will be easily broken and shorten the service life of the bag;

⒋The general weight of the bag is about 8 pounds.


As we all know, shopping bags attract people because they are recyclable, strong and inexpensive; wine bags attract manufacturers because they are economical and economical. Play a certain publicity effect. Although, in some forums or communities, netizens have mixed opinions on shopping bags. However, through some public welfare activities or some organizations, the position of bags in people's daily life becomes more and more important.


However, in the meat market, it would be inconvenient for some aquatic products, vegetables and fruits to use bags directly. Because the bag has to be cleaned every time it is used up, it takes a lot of time. This is also the reason why bags are not very popular in the meat market. Therefore, the "plastic restriction order" has not been fully implemented. The design of the non-woven bag also needs to be adapted to the occasion. There is still a long way to go to completely replace paper or plastic bags!


Let me tell you the difference between screen printing and lamination

screen printing


Screen printing refers to the use of silk screen as a plate base, and a screen printing plate with graphics and text is made by a photosensitive plate-making method. Screen printing consists of five elements, screen printing plate, squeegee, ink, printing table and substrate. Printing is carried out by using the basic principle that the mesh of the screen printing plate can pass through the ink, and the mesh of the non-graphic part cannot pass through the ink. When printing, pour ink at one end of the screen printing plate, apply a certain pressure to the ink part on the screen printing plate with a scraper, and at the same time move towards the other end of the screen printing plate at a constant speed, the ink is removed from the graphics and text by the scraper during the movement. Part of the mesh is extruded onto the substrate.


Lamination process

The lamination process is a surface processing process after printing. It is also called post-press plastic, post-press glue or post-press lamination. It refers to using a laminating machine to cover a layer of 0.012-0.020mm on the surface of the printed product. Thick transparent plastic film to form a paper-plastic integrated product processing. Generally speaking, according to the process used, it can be divided into two types: namely coating film and pre-coating film, and according to different film materials, it can be divided into two types: bright film and matt film.


Summarize:

Non-woven bags generally use silk screen printing, which has always been a printing process commonly used by many manufacturers. Generally, it is manual printing and machine printing, which is limited to simple 


LOGO or text printing.

If it is a color, such as landscape, portrait, and deer print, it is recommended to use lamination. The pattern is printed on the OPP film (spectroscopy film, sub-film) by the gravure printing machine, and then the film and the cloth are synthesized by the laminating machine. The film-coated bag has the characteristics of beautiful printing pattern, waterproof and good load-bearing. But at the same time the cost is higher.


Non-woven bags can be divided into:

1. Spunlace: The high-pressure fine water jet is sprayed onto one or more layers of fiber webs, so that the fibers are entangled with each other, so that the fiber webs can be reinforced and have a certain strength.

2. Heat-sealed non-woven bag: refers to adding fibrous or powdery hot-melt adhesive reinforcement material to the fiber web, and the fiber web is then heated, melted, cooled, and reinforced into a cloth.

3. Pulp airlaid non-woven bag: also known as dust-free paper and dry-laid non-woven fabric. It uses air-laid to open the wood pulp fiberboard into a single fiber state, and then uses the air-laid method to condense the fibers on the web-forming curtain, and the fiber web is then reinforced.

4. Wet-laid non-woven bag: The fiber raw material placed in the water medium is opened into single fibers, and different fiber raw materials are mixed at the same time to make fiber suspension pulp, and the suspension pulp is transported to the web-forming mechanism. Down into a net and then reinforced into cloth.

5. Spunbond non-woven bag: After the polymer has been extruded and stretched to form continuous filaments, the filaments are laid into a web, and the web is then self-bonded, thermally bonded, chemically bonded or mechanically bonded. Reinforcement method to turn the web into a non-woven fabric.

6. Melt-blown non-woven bag: Its technological process: polymer feeding---melt extrusion---fiber formation---fiber cooling---forming web---reinforcing into cloth.

7. Acupuncture: It is a kind of dry-laid non-woven fabric. Acupuncture non-woven fabrics use the puncturing effect of a needle to reinforce the fluffy fiber web into cloth.

8. Stitch-bonding: It is a kind of dry-laid non-woven fabric. The stitch-bonding method is to use the warp-knitted coil structure to stitch fiber webs, yarn layers, non-woven materials (such as plastic sheets, plastic thin metal foils, etc.) or their combinations. The body is reinforced to make a non-woven fabric.


The above is the specific content introduced by Lu Xiaoyin to you, I hope you will have a certain understanding after reading it. If you have anything else you want to know, you can check our official website online, welcome to consult customer service online or call our service hotline for consultation, we will be happy to provide you with high-quality service!

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