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Introduction to heat transfer printing technology for non-woven bags?

Non woven heat transfer printing is a new method of printing patterns on various materials of goods, especially suitable for producing small and diverse personalized and customized products, as well as printing patterns containing full-color images or photos. The principle is to print digital patterns on specialized transfer paper with special transfer ink through a printer, and then use a dedicated transfer machine to accurately transfer the patterns to the surface of the product at high temperature and high pressure, completing the product printing. Next, let me give you a detailed introduction to heat transfer printing technology:

Heat transfer printing is an emerging printing technology that has been introduced from abroad for only over 10 years. The printing method of this process is divided into two parts: transfer film printing and transfer processing. Transfer film printing uses dot printing (with a resolution of 300dpi) to pre print the pattern on the surface of the film. The printed pattern is rich in layers, bright in color, versatile, with small color difference and good reproducibility, which can meet the requirements of the pattern designer and is suitable for large-scale production; The transfer printing process uses a heat transfer machine to transfer the exquisite patterns on the transfer film onto the surface of the product in one go (heating and pressure). After forming, the ink layer dissolves with the surface of the product, creating a realistic and beautiful appearance, greatly improving the product’s grade. However, due to the high technological content of this process, many materials need to be imported.

The heat transfer printing process is applied to various ABS PP、 Plastic, wood, coated metal and other product surfaces. We can design and produce heat transfer film according to customer requirements, and transfer the pattern onto the surface of the workpiece through hot pressing to improve product quality. Heat transfer printing technology is widely used in industries such as plastics, cosmetics, toys, appliances, building materials, gifts, food packaging, stationery, etc. The equipment used in the heat transfer printing process includes the Image King heat transfer machine, including cup baking machines, hat baking machines, baking tray machines, flat heat transfer machines, tablet machines, shaking head heat transfer machines, etc. The required consumables include professional heat transfer paper and ink, as well as printers, computers, and digital cameras to complete the heat transfer printing process.

Thermal transfer printing technology can also use various transfer materials to achieve different printing effects, mainly including adhesive film transfer and sublimation transfer. The transfer paper of adhesive film transfer printing contains glue, and the glue pattern is printed on the surface of the product by high temperature and high pressure. Kule.com uses high-quality imported transfer paper and ink, and the printed layer of adhesive pattern is very thin, breathable, non sticky, non cracking, washable and non peeling; Unlike many domestically produced transfer paper used in the market, the printed adhesive patterns are thicker and often have the disadvantages of sticking and cracking. Kule.com’s 100% pure cotton clothes are printed using adhesive film transfer printing technology. Sublimation transfer printing is a new generation technology that uses special sublimation ink and sublimation transfer paper. The pattern printed on the product does not produce glue. If transferred to clothing, the ink directly sublimates into the fabric fibers, providing the same level of reliability as fabric dyeing, and the colors are sharp, making it more suitable for colorful patterns. Kule.com ‘fast sweat wicking shirts and Physical Comfort shirts use sublimation transfer printing technology.

Not all products that can be heat transferred can use heat transfer printing to print patterns, which involves factors such as heat resistance, smoothness, etc. Due to the continuous advancement of technology, products that have been maturely developed using heat transfer printing technology include: clothes, cloth bags, hats, pillows, mugs, tiles, watches, mouse pads, coasters, hanging calendars, medals, banners Waiting for hundreds of products. Kule.com will use new heat transfer printing and other technologies to continuously develop more personalized products, from head to toe, from wearing to using, to satisfy your desire for uniqueness. The common textile transfer printing techniques are adhesive film transfer printing and sublimation transfer printing.

(1) Sublimation transfer printing: Currently, the technology is mainly applicable to clothes with a surface layer of polyester fiber, such as quick sweatshirts and physical comfort shirts, and white clothes are preferred (the printed pattern is white, but other parts of the clothes can be of other colors, such as colored sleeves). After digital sublimation is used for colored clothes, the ink and colored fibers are fused, which will cause the color of the pattern to be different from the original, and it is not recommended to use it.

(2) Adhesive film transfer printing: Currently, the technology is mainly used for clothes with high cotton content. Various colors can be transferred with adhesive film, but for dark clothes, higher priced “special transfer paper for dark clothes” is required, which has heavier adhesive and less stable quality. Kule.com is currently not launching dark clothing transfer printing, and will release it once the technology is more mature. The transfer printing of ceramic products uses sublimation transfer printing, which sublimates ink onto the product at a high temperature of about 200 degrees Celsius, resulting in sharp colors and high pattern reliability. However, regular mugs cannot be directly transferred and must undergo a special coating treatment before the pattern can be transferred onto them.

A digital printing machine that can perform one-time multi-color, arbitrary mixed color, and transition color printing on any relatively flat material such as leather, textile fabrics, organic glass, metal, plastic, crystal, wood products, copperplate paper, etc. It does not require plate making, color matching, or complex drying procedures, and will not cause damage to the material. Since its launch, the product has been highly praised by professionals in various industries, and the number of factory customers who make secondary purchases is increasing.

Dongguan Liansheng Non woven Technology Co., Ltd. was established in May 2020. It is a large-scale non-woven fabric production enterprise integrating research and development, production, and sales. It can produce various colors of PP spunbond non-woven fabrics with a width of less than 3.2 meters from 9 grams to 300 grams.


Post time: Jan-14-2025