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Pad Printing

Pad Printing

Pad printing is one of the special printing techniques. It enables the printing of text, graphics, and images onto surfaces of irregularly shaped objects and is now becoming an important specialized printing method. For example, the text and patterns on mobile phone surfaces are printed using this technique. Similarly, surface printing on computer keyboards, instruments, meters, and many other electronic products is also commonly carried out via pad printing. Pad printing technology is a relatively newer printing process compared to screen printing. As silicone rubber pad printing heads began to emerge, this technology gradually developed and improved. Silicone rubber pad printing heads can easily separate from various types of materials—including inks. By using these heads as printing stamps, it’s possible to print simultaneously on both concave and convex surfaces, inclined surfaces, and even vertical surfaces.

07

2016

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06

Hydro Transfer Printing

Hydro Transfer Printing

Water transfer printing is a printing technique that uses water pressure to hydrolyze polymers, transferring color-patterned transfer papers or plastic films onto surfaces. As consumer demands for product packaging and decoration continue to rise, the applications of water transfer printing are becoming increasingly widespread. Its indirect printing principle and impeccable printing results effectively address many challenges in surface decoration of various products, and it is primarily used for transferring designs onto ceramics, glass decals, and similar materials.

03

2016

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06

Those crafts that are both familiar and unfamiliar to us: hot stamping.

Those crafts that are both familiar and unfamiliar to us: hot stamping.

Gilding, also known as hot stamping, is a printing and decorative technique. A metal printing plate is heated, and foil is pressed onto the printed material to emboss gold-colored text or patterns. This process relies on the principle of thermal transfer, in which the aluminum layer from electroplated aluminum foil is transferred onto the surface of the substrate to create a distinctive metallic effect. Since the primary material used in gilding is electroplated aluminum foil, gilding is also referred to as electroplated aluminum hot stamping.

27

2016

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05

A Brief Discussion on Silica Matting Powder

A Brief Discussion on Silica Matting Powder

The clear-coat film without matting agents exhibits a mirror-like, highly leveled surface. When light strikes the surface of this mirror-like film, part of the incident light is absorbed and part is reflected; the reflected portion imparts gloss to the film. In contrast, the paint film containing silica-based matting agents features silica particles evenly dispersed throughout the film, creating a slightly roughened surface.

23

2016

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05

Surface Treatment Secret: Electrolytic Polishing

Surface Treatment Secret: Electrolytic Polishing

Electropolishing involves using the workpiece to be polished as the anode and an insoluble metal as the cathode. Both electrodes are simultaneously immersed in an electrolytic cell, and a direct current is passed through the cell, triggering an electrochemical reaction that selectively dissolves the anode material. As a result, fine burrs on the workpiece surface are removed, and the surface brightness is enhanced.

18

2016

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05

Principles and Applications of Fourier Transform Infrared Spectroscopy (FT-IR)

Principles and Applications of Fourier Transform Infrared Spectroscopy (FT-IR)

When a sample is irradiated with infrared light whose frequency varies continuously, molecules absorb radiation at certain frequencies, causing a net change in their dipole moments due to their vibrational or rotational motions. This results in transitions of molecular vibrational and rotational energy levels from the ground state to excited states, thereby reducing the intensity of transmitted light corresponding to these absorption regions. By plotting the percentage transmittance of infrared light against wavenumber or wavelength, one obtains the infrared spectrum.

13

2016

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05

Application of High-Performance UV Resins in Vacuum Electroplating Coatings

Application of High-Performance UV Resins in Vacuum Electroplating Coatings

Plastic materials are widely used, easy to mold, and lightweight. Mold injection molding offers excellent dimensional stability and can produce intricate surface textures that are difficult to achieve with any metal material. After electroplating, the surface becomes metallic, giving it a high-quality metallic finish. These plastics can serve decorative purposes as well as provide protection against electromagnetic interference, reflection, or anti-reflection effects.

10

2016

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05

Principles and Applications of Gas Chromatography

Principles and Applications of Gas Chromatography

Gas chromatography is a major scientific and technological breakthrough that emerged in the 1950s. It is a new separation and analytical technique that has found wide applications in industry, agriculture, national defense, construction, and scientific research.

06

2016

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05

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