automatic screen printing - Knowledge - Silicone Ink

Screen printing is one of the most popular printing techniques across various industries as it enables mass production at a fast pace. However, conventional screen printing with traditional ink is limited when it comes to printing on materials like silicone rubber. Silicone ink is a specialized ink formula that allows printing on diverse materials like LSR (liquid silicone rubber), as well as different types of plastics, fabrics, and metals. The distinctive features of silicone ink make it a preferred choice for printing on various surfaces. But, it requires expertise and experience to achieve high-quality results. This is where automatic screen printing for silicone ink comes in. Let's dive into the details and understand how to leverage it for printing on silicone rubber.

How does automatic screen printing for silicone ink work?

Automatic screen printing works by using a specialized printing machine that can print multiple items at once. With the use of a specialized printing machine, the printer can print graphics on a silicone product without smudging or blurring. Screen printing is the most popular method used for printing on silicone rubber since it can easily apply a large amount of ink to the material without leaving any printing defects.

The printer automatically picks up a screen with the ready-made stencil on it and places it on top of the substrate. Silicone ink is then spread over the screen, and a squeegee is then dragged across the screen to force the ink through the mesh and onto the substrate. The printer will then separate the substrate from the screen, and the ink is left to dry.

The printer knows how to print on the substrate based on the predefined settings that are fed into the machine. The settings include the size, color, location, and density of the print required. The machine has an automated system that ensures that each print is accurate and consistent.

Advantages of automatic screen printing for silicone ink

1. High-Quality Results

Screen printing for silicone ink produces high-quality results that can last a long time. The use of silicone ink provides superior adhesion, which ensures that the design won't peel, crack or fade easily. This means that the design will stay intact on the printed product for a very long time.

2. Precision and Consistency

Screen printing machines are built with an automated system that ensures that every print is precise and consistent. The machine is set up to print according to the predefined settings, which means that the printer doesn't have to worry about the printing quality. This ensures that every print is consistent, and clients get the quality they deserve.

3. Cost-Effective

One of the advantages of automatic screen printing is that it is cost-effective. Due to its mass production capabilities, the cost per unit reduces significantly, and the more quantity produced, the lower the cost per unit.

4. Versatility

Screen printing can be used for printing on various materials like plastics, fabrics, metals, and silicon rubber. This means that customers can source printing services to embark on diverse projects that suit their printing objectives.

Conclusion

In conclusion, automatic screen printing for silicone ink is the best method for printing on silicone rubber. It produces high-quality results that are precise, consistent, and long-lasting. Furthermore, this process is cost-effective for mass production, and it can be used to print on various materials for diverse projects. The technology used in automatic screen printing for silicone ink has made printing on silicone rubber an easy and efficient process that delivers great results every time.

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What is water-based ink? What makes it a desirable ink for screen printers? The basic answer is that water-based ink uses water as a base. Seems pretty self-explanatory, right? There’s a lot more to know about water-based ink than just the base itself. Let’s dive in and talk about what water-based ink is and how printers can get the most out of it.

WHAT’S THE DIFFERENCE?

Water-based ink uses water as a solvent base instead of a plasticizer, as plastisol ink does. Water-based ink lays down a thin, soft, flexible layer of ink on the garment. You can print a thin ink deposit that will still hold up after countless washes. When you’re finished printing, you can clean up with water or a similar cleaning product like Sgreen® Aquawash. Thanks to the little to no chemical usage, you’re able to reduce your eco-footprint. 

Printing with water-based inks isn’t a walk in the park. Since water-based inks contain water, the ink begins to evaporate once it’s exposed to air. If you take a break, wipe off the image area before you walk away. Be conscious of your time and energy. Plastisol, however, doesn’t dry like water-based ink does. Because of this (and a few other reasons we’ll get to later), water-based ink might not be for all printers and all shops. 

RELATED: PRINTING WITH PLASTISOL VS. WATER-BASED INK

IS WATER-BASED PRINTING FOR ME?

Water-based ink is soft and flexible on the garment. With a thin ink deposit that soaks into the shirt instead of sitting on top of the fabric, it’s a great choice for fashion prints and any customer who wants a soft-feeling print. 

There are a few factors to take into account when printing with water-based ink. Because the ink’s base is water, it prints best in places with high humidity. The ink will dry on the screen and will dry quicker in dry locations. It’s also best to be printed in shops that can control the humidity. A garage shop in Florida, for example, will have a much easier time printing water-based ink than a garage shop in Arizona. 

As mentioned before, water-based ink needs airflow to cure. A forced air flash or conveyor dryer creates this airflow and is the perfect curing device for water-based ink. Shops that don’t have the budget or space for a forced-air dryer can use a regular dryer and/or Warp Drive but will have to perform many tests to ensure the ink fully cures. 

RELATED: IS WATER-BASED PRINTING RIGHT FOR YOU?

CURING WATER-BASED INK

Water-based ink needs airflow to evaporate the water in the ink before the ink can properly cure. Using a forced-air flash dryer or conveyor dryer gets the job done easily. With a forced air flash dryer, a blower at the back of the dryer pushes warm air over the print, evaporating the water from the ink so it can cure.

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A forced air conveyor dryer has two zones of heating elements. The first zone is a flash zone where it heats up rapidly, becoming 50% hotter than the rest of the dryer. It’ll evaporate water from water-based inks quickly, then dwell for an extended period of time in the second zone at its cure temperature.

WATER-BASED INKS AND ADDITIVES

In addition to the many varieties of water-based ink, you can make further adjustments by adding specific additives to whatever kind of water-based ink you use. Here are some popular effects printers can add to their ink.

SPECIALTY ADDITIVES

Printing colors are great, but sometimes you want to get creative. To add a little something extra to your prints, use water-based special effects inks. These range from shiny inks like gold and silver to 3D effects like a puff additive. Make your prints stand out with these inks and additives. 

More specialty inks and additives help water-based printers do more with the inks on their shelves. Take stretch core for example. Stretch core helps ink become more flexible on stretchy garments like Lycra. An open-time extender keeps water-based inks moist in the screen for longer periods of time. 

Curing water-based ink can be a bit tricky. Good thing there are a few additives to help you out.

CURING AIDS

Don’t have a forced-air dryer? There’s still a way to cure water-based ink with confidence.

The most popular way to cure water-based ink without a forced-air dryer is to use a regular dryer and some Warp Drive. Warp Drive is an ink additive that chemically cures water-based ink over a 48-hour period. Simply mix it into the ink at 1.5% by weight, print the ink as normal, and use your favorite curing method. The Warp Drive will make sure the ink cures chemically.

Another additive to help with curing is Fixator NFO. This additive lowers the cure temperature of water-based inks and helps improve pigment wash fastness. Water-based ink can be tricky to handle, but with a little help, you can print and cure it with confidence.

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RELATED: DO MORE WITH WATER-BASED INK USING 3 NEW SPECIALTY ADDITIVES