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How to achieve the bronzing effect of the glass ceramic surface?


In the glass ceramic decoration market, gold and silver are essential color elements. With the popularization of the application of organic pigment glass ceramic inks in the glass ceramic decoration industry, especially the introduction of UV ultraviolet curing inks, people pay more attention to how to achieve the effect of gold and silver. Although the gold-silver effect of organic pigment inks has been continuously improved, it is still far from the effect of gold and silver that is really decorated with precious metals.
How to achieve the bronzing effect of the glass ceramic surface?
It is well known that the gold and silver color effect closest to the true metal texture can be achieved by the nomant bronzing process, but it is currently impossible to directly bronzing the surface of the glass ceramic. The hot stamping effect of the glass ceramic surface can be achieved by pre-printing a primer of a layer of organic ink. This combination process can achieve two requirements at the same time: a gold-and-silver effect full of metallic texture: a greatly reduced production cost compared to the direct use of precious metal trim.
Since the adhesion of bronzing directly on the surface of the glass ceramic is often poor, it is necessary to pre-print a layer of thermoplastic primer. In this way, in the process of bronzing, the effect of bronzing can be perfectly achieved on the primer by means of heat and pressure. One of the NOMNAT inks can help you to achieve the perfect bronzing effect on the surface of the glass ceramic.
How to achieve the bronzing effect of the glass ceramic surface?
First, the pattern to be presented is printed on the surface of the glass ceramic by screen printing using a Marabu ink product, and then directly stamped on the surface of the printed ink primer. A variety of bronzing effects from fine patterns to large area areas can be achieved by this combined process.
Two schemes for achieving hot stamping on glass ceramic surfaces:

1. Three-dimensional hot stamping -------- multi-step hot stamping process

The metal foil is bonded to the surface of the substrate by a heated hot stamp with a three-dimensional pattern, which is a set of hot stamping processes for up and down movement. The adhesion of the metal foil adhesive layer is achieved by heat and pressure, and the hot stamping plate with a three-dimensional pattern determines the hot stamping effect of the surface of the substrate.
How to achieve the bronzing effect of the glass ceramic surface?
2. Rotary hot stamping--------continuous bronzing process
The gilding effect of the metal foil continuously on the surface of the substrate is achieved by the continuously rotating bronzing roller. The same hot stamping temperature and pressure are important factors in the bonding of the metal foil adhesive layer. The adhesive layer only has an adhesion effect on the area where the pressure is applied and the area where the glass ceramic surface can adhere.
How to achieve the bronzing effect of the glass ceramic surface?
Important process parameters:
>Types of metal foil
>Continuous rotation speed (rotary hot stamping) or hot stamping time (three-dimensional hot stamping)
>The pressure of hot stamping
>The temperature of hot stamping
Please note that the best results achieved by both processes require very precise process parameters. Process parameters may need to be re-adjusted when stamping on coated glass ceramic bottles. In the past, solvent-based inks were often used as primers, and Huibaichuan HG inks can completely help you achieve the bronzing effect on glass ceramic bottles.
How to achieve the bronzing effect of the glass ceramic surface?
These two colors are specially developed for the hot stamping process and fully meet the various process requirements in the silk screen and bronzing process. After the exhibition, printing customers, hot stamping film manufacturers and bronzing machine equipment manufacturers conducted field tests on these two colors with great interest and achieved very good results.
At present, the hot stamping effect on glass ceramic products in the European market is mainly applied to glass ceramic cosmetic packaging and beverage and alcohol packaging, such as vodka bottles and red wine bottles. There are certain limitations in the use of ordinary glass ceramic cups, mainly considering the effect of the wall thickness of different glass ceramic cups on the stamping process pressure. It is therefore recommended to achieve a bronzing effect on thicker glass ceramic cups.