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1. What is hot foil stamping?
Metallic prints and foils are applied to plastic, paper, and a card with heat and pressure. Use it to create metallic, matte, glossy, and holographic textures on your media.
Since hot stamping does not use any ink, it is not affected by the color or texture of the medium, making it ideal for products with darker surfaces. Since the 19th century, foil stamping has been used to create a variety of products including holiday cards, baby announcements, scratch-off foils, wedding invitations, save-the-date cards, business cards, presentation folders, book covers, and more.
2. How does hot foil stamping work?
With hot stamping, you can create shiny metal in a variety of colors and textures such as designs, text, and graphics by applying heat, pressure, and foil. The process is also known as heat embossing or hot foil embossing because the image is transferred from the heat stamp to the chosen surface using heat.
Dry hot stamping is also called dry hot stamping as this eliminates the use of liquid ink in printing. Instead of stamps, dies and engraved metal plates are used for stamping.
3. Benefits of hot foil stamping
- Photogenic resolution
- Various metallic colors, tones
- Moisture and chemical resistance
4. What are the types of hot stamping methods?
Today, foil stamping can be done in two ways: traditional and digital.
1) Traditional hot stamping
In traditional foil stamping, a design is engraved or etched onto a metal plate (a foil die or die cut). To transfer a design from a die to the printing surface, heat and pressure are applied.
If multiple colored designs are to be laminated, prepare separate metal molds for each color. To achieve the result, coat the stencils one by one on the medium. Embossed designs require a foil die that creates this effect on the medium.
2) Digital bronzing
Digital hot stamping machines resemble traditional hot stamping machines. However, they differ in the way the foil is attached to the media surface. For digital foil stamping, a special foil adheres to the media. This method does not require a separate stencil. Ink printing is very similar to digital foil stamping. If multiple colors or designs need to be applied, there is no need to run the machine multiple times.
5. How do hot stamping machines work and what are the different types?
The type of operation determines the type of stamper.
- round and flat
- round after round
- flat stamping machine
Depending on the location, foil molds can be mounted on honeycomb panels or flat metal panels. In this case, the foil and media are placed between the plate and the plate mounted below. The embossed foil with protrusions creates the embossed design when the boards are pressed together. The advantage of flat foil stamping is that it is easy to set up, with tools and parts readily available.
1) Round flat hot stamping machine
In a flatbed hot stamping machine, the platen is replaced by a rotating cylinder. Using horizontal pressure, a rotating cylinder presses the foil against the media, transferring the foil design. This type of hot stamping machine is perfect for smaller jobs with a smaller workload.
2) Round foil stamping machine
The principle behind this machine is similar to a printing press. The rotary cylinders on both sides of the machine rotate in opposite directions. Pressure is applied by two cylinders to hold media and foil together. For very intricate designs, this type of hot stamping machine can spin at very high speeds. Using it, you can create highly complex and depressing effects on your media.
6. What industries are hot foil stamping used for?
Various products are decorated with hot stamping or hot stamping. In addition, it is an anti-counterfeiting measure. Like high-end luxury goods, it is widely used in packaging products such as food, medicine, and beverages. In addition, hot stamping is used for greeting cards, wedding invitations, book covers, cosmetic packaging, and commercial printing.
Business cards, brochures, invitation cards, and general business stationery (reports, envelopes, cards, etc.) can all be printed with hot foil stamping. Foil stamping is also used in packaging. Whether it’s a sticker, label, or scratch-off label, hot foil stamping can be used to add a touch of luxury and eye-catching effect quickly and easily.
7. What is metal foil?
It is made of aluminum or tin and is colored to create the desired effect. Hot stamping uses metal foil and heat to print. Shiny details are created in a variety of colors and textures in this process.
8. Different types of layers in the foil
- Polyester carrier layer
- Release layer
- Paint layer
- Image layer
- The metal layer (gold or gold and silver foil or foil color)
The hot foil stamping process involves applying heat and pressure to the foil, pressing it against a medium supported by a plate or cylinder. Through this heat and pressure, the adhesive layer in the gold or silver foil is activated, melting the release liner and attaching the foil to the media.
Hot stamping machines/hot stamping machines are used for this process. Either a stand-alone machine or a machine connected to a printer or similar device may be used. Brass dies used in hot foil stamping are usually etched or engraved by hand or otherwise. Brass dies used in hot foil stamping are usually etched or engraved by hand or otherwise.
9. The most popular foil types
- metalized foil
- pigment Foil
- effect foil
- holographic foil
- signature panel
1) Metal foil
Foil stamping typically uses this type of foil. It metalizes the design and is typically available in gold and silver, but other colors are also available.
2) Colored foil
Tinted foils produce matte or glossy non-metallic finishes. They are versatile and can be used in a variety of media and materials, from paper to plastic. Any color can be chosen.
3) Pearl foil
Designs look stunning when foiled with pearlescent foil. For greeting cards and wedding invitations, they are commonly available in transparent and translucent finishes.
4) Specially designed foils
Various patterns can be produced on the media using foils such as holographic foils. Custom prints can include holograms, stripes, glitter, and other effects. Use foils with iridescent or three-dimensional designs whenever possible. A number of high-security items, such as banknotes, ID cards, credit cards, and ID cards, are protected against counterfeiting by these devices.
5) Scratch foil
A coin or fingernail can easily scratch off these foils. They are used for more than just lottery tickets and phone top-ups. Foil-printed paper or cards can easily be scratched off and are not permanent. This makes them ideal for temporarily overwriting highly sensitive data.
With hot stamping, metallic eye-catching colors can be added to product packaging designs. It is possible to create a unique design associated with the product using lustrous metallic colors. You can create a custom design that matches your brand name using a variety of high-quality options. Different types of finishes such as varnishes are also available.
We offer all the technologies you need for these special treatments in the packaging industry. For more professional advice, contact our packaging experts.