How to choose single-sided and double-sided hot stamping film?
DTF hot stamping film is a material used for digital thermal transfer printing, which is widely used in clothing, household goods, ornaments and other fields. It can print the pattern on the film through the printer, and then transfer the pattern to the fabric or other materials through the thermal transfer machine.
We can choose and consider according to the following factors.
1.Design requirements:First consider whether your design needs a single-sided or double-sided pattern. If you need to print a single-sided pattern on fabric, you can choose single-sided DTF transfer film; if you need a double-sided pattern, you can choose double-sided DTF transfer film.
2.Transfer project: Consider the type and requirements of your transfer project. Some clothing may only require a single-sided pattern, while items such as hats, socks, etc., may require a double-sided pattern. Choose the appropriate transfer film type based on specific project requirements.
3.Cost-effectiveness:Double-sided DTF transfer film is usually more expensive than single-sided film because it requires more materials and processes. When choosing, consider the project budget and cost-effectiveness to select the most suitable transfer film type.
4.Production technology:Double-sided DTF transfer film may require more complex technology and processes during production, requiring more experience and skills. If you have sufficient technical support and experience, you can consider choosing double-sided transfer film.
If you have any needs, you can contact us, and we will provide you with good choices and help.
What is sublimation heat transfer?
Sublimation transfer is a digital printing technology that transfers an image or design from paper to fabric. The technology is achieved using hot ink and a heat press.
First, the image or pattern is printed on sublimation paper, and then the paper is placed in close contact with fabric. The sublimation paper and fabric together roll into the heat transfer machine, whose working temperature at around 220 degree centigrade. At high temperatures, the ink molecules changes directly from solid to gaseous state, and then penetrates into the fibers of fabric. When the temperature decreases, the ink re-solidifies and bonds to the fibers, forming a lasting image or pattern.
During the sublimation transfer production process, you need to pay attention to the following issues:
--- Choose the right type of ink for sublimation digital printing.
Sublimation digital printing requires to use special sublimation ink. This kind of ink is usually composed of pigments, resins and additives, and has the characteristics of stability at high temperatures and bright colors. Sublimation ink can be transferred to fabric or other materials under conditions of high temperature and pressure, and is fixed on the surface of the material after cooling. Common sublimation ink brands include Sawgrass, Epson, Ricoh, etc. Select the corresponding brand and model of ink according to the printer model used to obtain the best sublimation effect.
--- Heating Temperature and time control: Dye-sublimation transfer needs to be carried out within a certain temperature range. Too high or too low temperature will affect the transfer effect. The heat transfer temperature range is about 180-230℃, and heating time should be 10-30 seconds. Before bulk production, better to do testing first, to confirm the optimal process parameters. In addition, the temperature detector must be accurate, and operating staff should examine its condition regularly.
--- Pressure control:
During heat transfer, the printed sublimation paper and fabric must be close to each other. A certain amount of pressure needs to be applied when transferring, to ensure that the pattern on paper can be completely transferred to the fabric. Too high or too low pressure will affect the transfer effect, so it needs to be adjusted according to different materials and patterns.
--- Adjust the appropriate color intensity
If there is too much ink printed into the sublimation paper, it is easy to dry. So during testing before bulk production, need to adjust the best color concentration, to eusre best printing effect, as well as the transfer effect.
In short, during the sublimation transfer production process, it is necessary to pay attention to issues such as temperature, time, pressure, material selection, pattern design and preparation, etc, to ensure the quality and consistency of the transfer effect.