Four advantages of the thermal transfer process
The form of thermal transfer is to transfer the graphics and text printed on the carrier film to the surface of plastic products, fabric products and other items by heating and pressing. The process can be divided into the production and transfer of thermal transfer film. Two parts are processed. So, what are the advantages of the thermal transfer process?
1. The graphics and text are durable.
Most plastic products are durable goods that require the printed graphics to be durable. Using the thermal transfer method, the graphics and text are firmly combined with the surface of the plastic product, the surface is smooth, and the wear resistance and weather resistance are excellent. In addition, by adjusting the production formula of the thermal transfer film, some special requirements can be met, such as acid and alkali resistance requirements. Therefore, the graphics and text on thermal transfer printing have almost the same durability as plastic products.
2. Improve the quality of plastic products.
To decorate and decorate the surface of plastic products, a variety of printing methods can be used, such as silk screen printing, pad printing, hot stamping, etc. Although these methods have their own advantages, they also have their own shortcomings. For example, although silk screen printing can make the image and text firmly combined with the plastic surface and is not easy to peel off, the pattern is not clear enough, the dots are too thick, and the surface is rough; the decorative area of the pad printing is too small; hot stamping requires a high temperature. By using the thermal transfer method, the shortcomings of the above-mentioned printing methods can be overcome. At present, almost all plastic thermal transfer films use the gravure printing method to obtain graphics and text. When the graphics and text are thermally transferred to the surface of plastic products, compared with other printing methods, it shows high accuracy and strong three-dimensional effect. The features of rich layers and bright colors can achieve photo-like picture quality, thereby greatly improving the quality of plastic products and increasing the value of goods.
3. No pollution during processing
The operation process of transferring the image and text on the transfer film to the surface of the plastic product is simple and fast, and the transfer is completed in one time without pollution. Pre-job training for workers does not take much time. The thermal transfer machine can be used together with the plastic injection molding machine. It can inject plastic products while thermally transferring graphics and packaging finished products to form a reasonable and efficient production process.
4. Broaden the scope of printing applications
With the cooperation of the heat transfer machine, the thermal transfer film can decorate the plastic products with various shapes (such as plane, cylindrical, polygonal, conical, etc.), and is widely used in plastic products that are difficult to print directly. Surface printing, especially the printing of different shapes of plastic products that require multi-color layered printing effects. For example, to print colorful layered patterns on a triangular cup or a small pen, thermal transfer printing is the best way to decorate.
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