What are the effects of spray painting and silk screen printing on the appearance of thermos cups?
1. The effect of spray painting on the appearance of thermos cups
1.1 Color and gloss effect
Painting can give thermos cups a rich color selection to meet the aesthetic needs of different consumers. Common spray paint colors include red, yellow, blue, green, etc., with high color vividness and can accurately present the design color number. For example, the color deviation value of a certain brand of spray paint thermos cup is controlled within ±2%, which is highly consistent with the standard color card. In terms of gloss effect, spray painting can make the surface of the thermos cup present a variety of states such as high gloss, matte or semi-matte. The reflectivity of the surface of the thermos cup with high gloss spray paint can reach more than 90%, and the visual effect is as bright as a mirror; matte spray paint can create a low-key and restrained texture, and the reflectivity is usually less than 10%, giving people a soft and non-glaring look and feel, enriching the appearance style of the thermos cup.
1.2 Scratch and wear resistance
The spray paint layer provides a certain protection for the surface of the thermos cup, enhancing its scratch and wear resistance. Generally, the surface hardness of a painted thermos can reach more than 3H, which can effectively resist slight scratches in daily use, such as friction from keys, coins and other items. In the wear resistance test, the wear degree of the painted thermos in the friction test simulating daily use scenarios is only about 20% of that of the unpainted thermos. This means that during long-term use, the surface pattern and color of the painted thermos can maintain integrity for a long time, reducing the appearance damage caused by wear, extending the service life of the thermos, and maintaining its appearance.
1.3 Environmental adaptability
Painting treatment makes the thermos have better environmental adaptability. The paint layer can effectively isolate moisture, oxygen and chemicals in the air, preventing the surface material of the thermos from being oxidized or corroded. In a humid environment, the surface of the unpainted thermos is prone to rust or discoloration, while the painted thermos has no obvious changes on the surface after 72 hours of high humidity test (relative humidity 95%), the color remains stable, and there is no bubbling or shedding. In addition, in an environment with a large temperature difference, the paint layer of the spray-painted thermos can also remain stable, and will not crack or peel due to thermal expansion and contraction, ensuring that the thermos can maintain a good appearance under different climatic conditions and usage scenarios, and adapt to the test of the appearance of the thermos in various complex environments.
2. The impact of silk screen processing on the appearance of the thermos
2.1 Pattern and text presentation
Silk screen processing can bring fine and diverse pattern and text presentation effects to the thermos. Silk screen technology can accurately print complex patterns, texts, etc. on the surface of the thermos through a silk screen template. The minimum line width of the pattern can reach about 0.2 mm, and the font size of the text can be as small as 4 fonts, and it is clearly legible. For example, in a limited edition thermos launched by a well-known brand, silk screen technology is used to print embroidery patterns with ethnic characteristics. Every stitch and thread in the pattern is vividly displayed, and the details are lifelike, which greatly enhances the artistic value and appreciation of the thermos. Silk screen printing can achieve multi-color overprinting, up to 10 colors, with natural color transition, which can meet the color requirements of various complex patterns and texts, making the appearance of the thermos more personalized and creative.
2.2 Adhesion and durability
The silk screen ink has strong adhesion to the surface of the thermos, which can ensure that the pattern and text are not easy to fall off during long-term use. After professional adhesion testing, the adhesion level of the silk screen pattern can reach 4B or above, which means that under normal use conditions, even after frequent cleaning, friction and other operations, the pattern can still be firmly attached to the surface of the thermos. In terms of durability, the silk screen pattern has a long service life. In the accelerated aging test simulating daily use scenarios, after ultraviolet irradiation, temperature cycle changes and other treatments, the fading degree of the silk screen pattern is only about 5%, and the integrity of the pattern remains above 95%, which can maintain the beauty of the appearance of the thermos for a long time, providing consumers with lasting visual enjoyment.
2.3 Color and gloss performance
The silk screen processing has high accuracy and richness in color performance. Silk screen inks have a wide variety of colors, and can be mixed with more than 1,000 different colors to meet various design needs. The color saturation is high, and the color effects in the design can be accurately presented. In terms of gloss performance, the silk screen pattern can present a variety of gloss effects such as high gloss, matte or semi-matte by selecting different inks and surface treatment processes. The surface gloss of the high-gloss silk screen pattern can reach more than 80%, with a strong reflective effect, making the pattern more eye-catching; matte silk screen can create a soft and low-key texture, and the gloss is usually around 20%, giving people a comfortable and stable visual experience. This diverse gloss effect provides more options for the appearance design of the thermos cup, allowing it to adapt to different consumer groups and usage scenarios.
3. Summary
Spray painting and silk screen processing have a significant and multi-faceted positive impact on the appearance of the thermos cup, greatly improving the beauty and practicality of the thermos cup from color, gloss to pattern presentation, durability and other aspects.
The spray painting process provides the thermos cup with a rich selection of colors and a variety of gloss effects, which can meet the aesthetic needs of different consumers. Its high-gloss spray painting can make the surface reflectivity of the thermos cup as high as 90% or more, while the matte spray painting controls the reflectivity below 10%, creating a different texture. At the same time, the spray paint layer enhances the scratch resistance and wear resistance of the thermos cup, the surface hardness can reach more than 3H, and the degree of wear is only about 20% of the unpainted thermos cup, which effectively extends the service life of the thermos cup and maintains its beautiful appearance. The spray painting process also gives the thermos cup good environmental adaptability. In the 72-hour high humidity test and the environment with large temperature difference, the spray paint layer is stable, without bubbling, shedding and other phenomena, ensuring that the thermos cup maintains a good appearance in a complex environment.
The silk screen processing performs well in the presentation of patterns and texts, and can print fine and diverse patterns and texts, with a minimum line width of 0.2 mm, and the text size can be as small as 4 fonts, and it is clearly legible. It can achieve multi-color overprinting, up to 10 colors, with natural color transition, meeting the color requirements of complex patterns. The silk screen pattern has strong adhesion, with an adhesion level of 4B or above, good durability, and the degree of fading in the accelerated aging test is only about 5%, and the pattern integrity remains above 95%, providing a lasting visual enjoyment for the thermos cup. Silk screen printing also has advantages in color and gloss performance. It can mix more than 1,000 colors with high color saturation. The gloss can be selected according to the needs, such as high gloss, matte or semi-matte, etc. The high gloss gloss can reach more than 80%, and the matte gloss is about 20%, which is suitable for different consumer groups and usage scenarios.
In summary, spray painting and silk screen processing have their own advantages in improving the appearance of thermos cups and complement each other. Together, they provide rich possibilities for the appearance design of thermos cups, meet the market's demand for diversified, personalized and high-quality appearance of thermos cups, and promote the continuous development of the thermos cup industry in product appearance design and quality improvement.
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