What is the sublimation technique and its applications?

técnica de sublimación

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Sublimation is the technique of marking objects by transferring ink to an object with heat activation. Sublimation allows the transfer of images and designs to a wide variety of objects such as urns, plates, boxes, plates, rugs, textiles, bags, puzzles, etc.

These objects must be covered with polyester varnish or, if they are woven, they must contain a minimum of 75% polyester (sublimation cannot be performed on cotton).

How is the sublimation technique?

The process is really simple, with the printer loaded with sublimation ink, the design needs to be printed on the transfer paper.

Printing will need to be done upside down (on the mirror) because the paper is upside down for transfer. After printing transfer paper, it takes a very short time to dry.

The object should be placed on the mark based on the plate and the printed paper touches the area to be marked with the image in contact with the object.

The plate must be closed to apply pressure and temperature to the paper and object. It depends on the type of object, the ironing time will be different and the ironing temperature (normally around 200 degrees Celsius).

After ironing, remove the paper and the object from the iron, carefully, as it can get very hot. An image with vivid colors and high sharpness will be maintained.

What applications does it have?

Textile products such as T-shirts, sportswear, fashion, hats, etc. can be marked as long as they contain a minimum of 75% polyester. If you want to know a little more about digital printing on textiles, we invite you to read the article.

A wide range of sublimation ready products are available such as mugs, puzzles, pads, pendants, tiles, plates and more, all of these products have a clear polyester lacquer coating and must have a white background.

If you have an unprepared product, we have spray varnishes for manual application on the piece to be marked. It is necessary to ensure that this part can hold up to 200 degrees without deforming.

What can be sublimated?

It is important to remember that not all products are sublimable. Therefore, you should consider the materials that can be used and the colors with which the design can be printed:

  • If you want to customize the fabric, you can only use polyester fiber or a backing with a special polyester coating. However, the sublimation of cotton textiles is an impossible task, although there are alternative systems that can apply similar technologies to cotton.
  • Sublimation can only be done on a white background. Sublimation inks are transparent and will add to the background / support color.

The origin of sublimation is the development of photography, through affinity it can be understood that photos are always printed on white photographic paper (not on color photographic paper).

Also, if you sublimate on a white fabric, you will get colors that are faithful to the original image. If you sublimate on a colored fabric, the color will change.

Sublimation technique on fabric

When the fabric rises, the ink is completely integrated into the threads of the fabric, that is, it becomes part of the fabric itself, that is why it is so durable and provides such vivid and vivid colors, giving the shirt and its design a realism. appearance. he is good looking.

Another advantage of sublimation is that the ink integrates completely with the fabric, without leaving any touches such as embroidery, screen printing, textile vinyls or transfer prints. This not only maintains the original comfort of the jersey, but also makes the wearing experience more satisfying.

What is sublimation on fabric?

We refer to textile sublimation or sublimation on T-shirts as a graphic arts process that uses high temperatures to fuse color molecules with the color molecules of the fabric, thus printing the color onto the fabric.

This process enables the transfer of sharp, high-quality images onto fabric or fabric. For this, the fabric must be 100% polyester or contain at least 70% polyester.

How does textile sublimation work?

Sublimation paper is needed for this process, which serves as a method of transporting the ink from the printer to the fabric.

The transfer efficiency of the paper plays a decisive role in the print quality, because the sharpness of the image depends on it, getting as close as possible to the ink point, and on a sufficient ink transfer.

Sublimation ink is designed to be activated by heating, change from a liquid to a gaseous state, and penetrate the surface of the fabric, so that the ink molecules and their molecules are sublimated together.

The hot plate is a mechanical tool that can help us provide enough heat and pressure for the above process.

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