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Surface decoration of spirits bottles is an important part of the deep processing technology of spirits glass bottles. As competition in the spirits market intensifies, various spirits brands and distilleries are doing their best to win the favor of consumers and leave a lasting impression. In terms of brand impression, in addition to the quality of the spirits themselves, the packaging of the spirits has undoubtedly become the focus. The bottle shape customization of spirits bottles, the surface processing technology of spirits glass bottles, the customization of bottle stoppers and bottle caps, and the customization of liquor boxes can all become important links in conveying the characteristics and quality of spirits brands! As a professional manufacturer of spirits glass bottles, HUIHE focuses on the production and deep processing of glass spirits bottles, providing customers with one-stop spirits packaging solutions. So here we are going to focus on one of the deep-processing process of spirits glass bottles for you, the decal process.
Contents:
What is glass bottle decal technology?
Features of Decal Glass Spirit Bottles
The process of customizing glass bottles with decals for spirits customers
How to make decals on the surface of glass bottles
Precautions in the production of decal glass spirit bottles
Common problems and solutions in the production of decal glass bottles
Why do glass bottles break when decaled at high temperatures?
Decal glass bottle production equipment should be cleaned regularly
Factors affecting the price of decal technology
Some of HUIHE's decal craft customer case appreciation
About China Professional Spirits Bottle Supplier – HUIHE
Glass bottle decals are usually decorated with patterns on the bottle body, then fired in an oven, and then the patterns are firmly attached to the glaze of the porcelain. Specifically, the production process of decal glass bottles is to attach plastic decals directly to the blown glass spirit bottles, and send them to the baking kiln by the conveyor belt. After being baked in the heating zone, high temperature zone, and cooling zone, they are made. Glass spirit bottles can be made with beautiful colorful patterns. This process is combined with the mold pressing pattern process to obtain glass spirit bottles with three-dimensional color patterns.
Decal spirit bottles come in different colors and are brightly colored. Today’s decal glass bottles are not only colorful, but also pay attention to the precision and brightness of the decal paper. Different decals are attached to different liquor bottles, and the colors and effects they embody are also very different. The very important thing about decals is design and craftsmanship. On the basis of good design, it is also necessary to pay attention to the continuous improvement of decal technology and the improvement of technical level.
The glass bottle decal process is a technical job, and there are many processes in it, generally including:
Step 1: When making floral paper, you must use good ink, a good master, a good screen, and a good machine, so that you can print good floral paper.
Step 2: After the flower paper is completed, try baking it to see if it is what the customer wants.
Step 3: Arrange the decals after a full inspection of the flower paper
Step 4: The decals must be made strictly in accordance with the samples. There should be no blisters on the surface, and the water juice must be wiped off with a towel to avoid explosions during baking.
Step 5: QC complete inspection and wait for drying before trial baking and then mass decals.
Step 6: QC complete inspection of finished products.
Step 7: Finished product packaging. Customer inspects and ships the goods.
1) install furnace
Take spirits bottles as an example. They can be installed from the bottom of the furnace to the mouth of the furnace. They can also be divided into two or three layers and installed all the way to the mouth of the furnace. However, the layers must be paved with sagger skins. . When installing the furnace, each product must be upright and not skewed; a certain distance should be kept between each product and must not be crowded together; when the top is capped, 3 fire holes must be left in a triangular position and the holes must go straight from the top Finally, a very large exhaust port must be left between the holes.
2) burning stove
First, light half a basket of charcoal and pour it along the middle of the furnace. After the charcoal is burning, add unburned charcoal and let it burn with the already burning charcoal in the furnace. When all the surrounding charcoal is ignited and the flame comes up, add charcoal to the interlayer and gradually fill it up. The top exhaust port is sealed. After the charcoal is lit, clamp another large piece of burning charcoal to the top. After that, you must observe the color of the fire through the fire hole at any time. When the bottom is carmine red and the upper part is orange, the fire can be turned off. The baking time in each oven is generally 5-6 hours.
3) turn off the flame
The method is to remove all the charcoal from the fire opening, then allow it to cool naturally, and then take the product out of the furnace after cooling.
The baked label on the decal glass bottle must meet the requirements of the proofing sample, the pattern is complete, and the text, logo, and pattern are correct. The layout is accurate, and the deviation is ≤3mm; the specifications and dimensions comply with the requirements of the drawings. The text and lines are clear and beautiful, the edges are smooth, and the fonts are free of deformation, defects, wrinkles, broken lines, tilts, etc. The color of the glass bottle meets the requirements of the proofing sample. The color of the baked labels on the same batch of glass bottles should be consistent, and no obvious color difference is allowed.
When decaling the decal glass bottle, you can use the decal scraper to scrape it evenly as much as possible, so that the decal and the bottle can be perfectly combined, and scrape out the air bubbles in the middle, so that during the baking process we will not have decals caused by the presence of air bubbles. The phenomenon of rupture. If this phenomenon occurs after decals are applied, it is unqualified and the decals need to be removed and re-applied and baked.
1. During the decaling process of the glass bottle, the decals must be placed correctly and there will be no offset. After decals, they will be even and can be perfectly integrated with the bottle. If the placement of the decals is offset, the bottle after the decals are completed will also be incorrect, affecting the beauty of the bottle.
2. There are many holes in the baked decal paper. This is because the air bubbles were not scraped off after the decal paper was applied, or the surface of the decal paper was not kept dry before the decal was applied. For glass bottles that have problems with the decals, use dilute hydrochloric acid to scrape them off and bake the decals again.
3. If the decal doesn't match the bottle well, if there are air bubbles, the decal will break when the bottle is finished. The bottles cannot be sold directly and need to be remanufactured in a factory, or the entire roasting process re-run.
Decal is an important part of the decal process for glass bottles. With the development of the economy and society, decal skills will become more and more sophisticated to make the decal pattern more detailed and realistic, and at the same time, it also improves the use of the interior of the glass bottle. Control stress and reduce the fragility of various glass bottles.
1. The main reason why the color turns red during the production of decal glass bottles is that the temperature is too high, the mesh belt speed is too slow, and the added color remover undergoes a reduction reaction.
2. The poor adhesion of decal paper during the production of decal glass bottles is mainly caused by the low temperature in addition to the material of the decal paper itself. Due to different decal material materials, the required temperatures for decaling glass bottles are different. Therefore, the decals on glass bottles Adjustments must be made from time to time.
3. During the process of making decal glass bottles, the decal paper bubbles, and there are many holes in the baked decal paper. The reason is that after the decal paper is applied, the bubbles in the decal paper are not brushed away, or the water on the surface of the decal paper is not dry. , caused by decals immediately. Glass bottles that have been decaled but are unqualified can be scraped off with dilute hydrochloric acid and re-decaled and baked.
4. During the production of decal glass bottles, there will be some unevenness when decals are made. If the water source is not clean, clean water should be replaced immediately to ensure uniform decals.
5. If the decal doesn't match the bottle well, if there are air bubbles, the decal will break when the bottle is finished.
1. The raw materials used for glass bottles and glass decals have different expansion coefficients. The pigments are too tightly stretched during decals, causing the pigments to fail to keep up with the expansion of the glass and break when decals are made at high temperatures. The current decals can be pasted onto other glass. Try baking to see if there is a problem with the paper. If there is no problem with the paper, you need to change the glass bottle. Another solution is to use high-temperature paper with a lower temperature. For example, the paper with a temperature of about 520 degrees, usually glass paper. The ones used are all around 560 degrees. If the paints used have passed the environmental test, they are above 580 degrees. The paints used in high borosilicate glass decals have a higher temperature, usually around 600 degrees.
2. If cold air enters the decal kiln, ordinary glass decals will also break under the drastic temperature difference, and the glass will also break if the temperature drops too quickly.
3. The glass bottle is too thin. If this is the case, you must use low-temperature cellophane paper, or lower the temperature of the decal and increase the decal time. The pigments of high-temperature cellophane paper have a minimum decal temperature range. You can ask Decorative paper factory, and then try baking according to specific conditions. In addition, the decals should be taken out of the kiln slowly, and the temperature must gradually drop below 40 degrees before being taken out, otherwise they will fall apart.
We mentioned earlier that decal glass bottles are prone to the bottle being not smooth or having defects. On the one hand, these defects are caused by the quality of raw materials, and on the other hand, the production equipment is not cleaned in time and is covered with dust.
Impurities generated in production equipment include scattered dust and impurities that cannot be cleaned in time and solidified glass liquid. If it is not cleaned in time, it will affect the appearance and smoothness of the decal glass bottle. If there is dust and impurities in the glass bottle mold or furnace, they will enter the bottle during the production process, causing defects such as the bottle being not smooth or transparency decreasing.
If it contains solidified glass fragments, it will affect the integrity of the shape of the glass bottle. If the drip nozzle contains fragments, it will cause uneven dripping, resulting in defects such as spots and uneven thickness of the glass bottle.
In the daily production process, be sure not to ignore these small problems, and clean the decal glass bottle production equipment regularly to prevent it from condensing in the equipment and affecting the appearance integrity of the glass bottle.
The price of decal glass bottles needs to be judged based on the actual situation. Generally, these products are customized, and logos and other patterns can be printed on them. Therefore, the specific price depends on the quantity and technology of the glass bottles you want to customize. The price of decal glass bottles from different manufacturers/regions may vary depending on the difficulty, transportation distance, etc.
HUIHE provides all kinds of customized service for spirits bottles, for other examples of glass bottle surface decoration, please refer to our customized page or contact us by email!
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The above article introduces the surface decoration process of spirits glass bottles - decals. This is one of the deep processing techniques we provide to our customers. It is also our one-stop spirits bottle packaging service in addition to professional glass bottle production.
HUIHE is engaged in the research and development, design, production and sales of high-quality glass packaging. It has nearly 20 years of industry experience. Its products have passed SGS, RoHS, CE, ISO and other certifications, and enjoy a high reputation in the global market. Huihe's assembly line production has a daily output of 600 tons, and it also has 6 deep processing workshops, which can provide customers with services such as frosting, logo printing, spray printing, screen printing, engraving, polishing and cutting. High-quality products, appropriate prices, and convenient services are what we always insist on. If you are interested in the production and processing of spirits bottles, please feel free to contact us!
