Heat transfer printing is a special printing process, which has been introduced from abroad for more than 20 years. The printing process is divided into two parts: transfer film printing and transfer processing. The pattern is pre-printed on the film surface. Heat transfer processing beautiful pictures are processed on the transfer film by the heat transfer machine.

1. Characteristics of thermal transfer printing process
   a. What is heat transfer? Why use thermal transfer technology?
        A heat transfer process features: small product loss, high added value and strong decoration.
Thermal transfer technology can use a variety of different transfer materials to achieve different printing effects. The most important ones are adhesive film transfer and sublimation transfer.
    b. heat transfer process features: high hiding power and strong adhesion.
        The transferred transfer paper of the adhesive film contains colloid, and then the colloid pattern is printed on the surface of the article by high temperature and high pressure. Adopt high-quality imported transfer paper and ink. The printed colloidal pattern is very thin, breathable, non-sticky, non-cracking, washable and non-shedding.
    c. characteristics of heat transfer process: accord with green printing standard, no environmental pollution.
        Imported raw materials fundamentally ensure bright colors, are green and environmentally friendly, conform to international standards such as Europe and America, high-quality equipment and advanced color management system, eliminate color instability factors in digital printing, and minimize the defective rate of products.

2 heat transfer treatment luminescence
          With the development of society and the progress of science and technology, personalized heat transfer printing, heat transfer processing and other technologies have gradually penetrated into people's lives. From clothing to daily necessities, household goods and art supplies, it can be said that where there are products, there are personalized fashions, which has become an irreversible trend, and the prospect of thermal transfer printing is naturally beautiful, and this thermal transfer printing will also be very popular.

3 problems needing attention in thermal transfer printing
       In the production process of thermal transfer film, it must be heated before printing. But the products produced by different technical masters are different. It can be seen that the thermal transfer film needs rich production experience and strict production requirements and processes to produce high-quality products. The following are some important considerations:
     a. Temperature: Different product materials need different temperatures, because high thermal transfer temperature will damage the product itself, and low temperature will lead to poor printing quality.
     b. heat transfer time. Time is very important, because heat transfer is carried out at high temperature. Time must be strictly controlled.
     c. pressure, because the pressure in production is too small and the gap between fabric and printing paper is too large, it will lead to unclear transfer printing. When the pressure is too high, it will lead to deformation, rough  hand feeling and other problems.
         In short, it is required to strictly control the production process and master it skillfully when heat transfer printing flower film.

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