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Decoration of glass wine bottles

Publish Date 2023-09-10
Glass is an amorphous solid material, mainly made of silicates (such as quartz sand) that are melted and cooled at high temperatures. It has the characteristics of transparency, resistance to heat and cold, corrosion resistance, and good optical properties. In daily life, glass is widely used in the packaging of wine, cosmetics and other fluids.
Silk screen printing technology is the main printing technology for glass bottle decoration. It has the advantages of bright colors, strong coverage, high gloss, anti-friction, acid and alkali resistance, etc.
The scraper squeezes the screen printing plate to transfer the ink to the glass bottle through the graphic part of the screen printing plate, forming the same graphic and text as the original.
The main steps are as follows:

1. Make a screen printing plate: First, make the designed pattern into a screen printing plate. The pattern part of the printing plate has unobstructed mesh, and the non-pattern part of the mesh is blocked by photosensitive adhesive.

2. Prepare ink: Choose ink suitable for glass material, usually solvent-based glass ink and UV glass ink.

3. Printing: Install the screen printing plate, place the glass bottle on the workbench, operate the machine, the glass bottle rotates, and the ink is transferred to the glass bottle through the graphic part of the printing plate.

4. Drying: Put the printed glass bottle into the dryer for drying. Solvent-based ink requires an IR drying oven, or it can be dried naturally. UV ink requires a UV drying oven.

Glass bottles can also be decorated by hot stamping, but the hot stamping of glass bottles is different from the hot stamping of plastics. Generally, hot stamping cannot be done directly. Instead, the surface of the glass bottle must be spray-painted first, and then hot stamped. Another way is to The hot stamping parts are screen-printed with hot stamping varnish, and then hot stamped. In this way, the hot stamping foil will be transferred to the surface of the glass bottle under the action of temperature and pressure. The process is roughly as follows:

1. Design: Silicone templates can be made for spray-painted glass bottles, and screen printing for glass bottles with silk-screen hot stamping varnish must be made first, and then transferred with a rubber roller.

2. Hot stamping: Install the hot stamping foil, choose a suitable semi-automatic hot stamping machine or fully automatic hot stamping machine, and perform hot stamping. Under high-temperature hot pressing, the gold foil is transferred to the surface of the glass bottle. Some automatic production lines integrate silk screen printing and hot stamping to achieve automation.

3. Cooling: Cool the gilded glass bottle so that the gold foil adheres more firmly to the surface of the glass bottle.

The effect of hot stamping on glass bottles is very unique and can greatly enhance the texture and grade of the product. However, the cost of this process is relatively high, and it is generally used for the packaging of high-end wine bottles, perfume bottles and other products.


Decoration of glass wine bottles
Decoration of glass wine bottles

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