A Beginner's Guide to Hydrodipping with Hydrokon

Hydrodipping, also known as water transfer printing, is an exciting and versatile technique that allows you to apply intricate patterns and designs to a wide variety of objects. Whether you're a DIY enthusiast or a professional artist, hydrodipping can transform ordinary items into stunning, customized pieces.

In this guide, we'll walk you through the basics of hydrodipping and provide detailed instructions on how to use Hydrokon Water Transfer Film, the only printable hydrographic film made in the USA.

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What is Hydrodipping?

Hydrodipping involves transferring a printed design from a film to a 3D object using water immersion. The film itself does not adhere to the object or melt—it serves as a temporary carrier for the image. Once the film is activated, the ink softens and coalesces, allowing it to transfer to the object's surface. The film is then rinsed away, leaving only the image behind. This technique is commonly used for decorating automotive parts, helmets, home decor items, and other substrates with compound curves or three dimensional aspects that other techniques cannot image easily.

Materials Needed for Hydrodipping

To get started with hydrodipping, you'll need the following materials:

• Hydrokon Water Transfer Film: Customizable and made in the USA, this film is perfect for achieving high-quality results.

• Base Coat Paint: Ensures the image adheres properly. Choose a color that complements your design.

• Activating Spray: Softens the ink on the film and helps it bond to the base coat.

• Primer (if necessary): Helps the base coat adhere better to certain surfaces.

• Top Coat (Clear Coat): Protects the finished design and adds a glossy or matte finish.

• A Large Container or Tank: Filled with water at approximately 90°F (32°C), deep enough for full submersion.

• Personal Protective Equipment (PPE): Gloves, mask, and eye protection for safety.

• Clean Cloths and Rags: For cleaning and drying the object.

• Sandpaper (optional): For smoothing the object's surface before priming and/or roughing the surface for better adhesion.

• Fixative Layer (for pigment-based inks): Necessary if using pigment-based inks instead of latex.

Step-by-Step Instructions

Step 1: Prepare Your Workspace

Set up a clean, well-ventilated workspace. Ensure all materials are within reach and protect the area with drop cloths or plastic sheeting if necessary.

Step 2: Print & Cut the Hydrokon Film

Print your design onto the Hydrokon Water Transfer Film. You want your design to be slightly larger than the object you're dipping to ensure complete coverage. Cut the film as needed. 

Step 3: Prepare the Object

Clean the object thoroughly to remove dust, grease, or residues. Use sandpaper to rough the surface for better ink adhesion. Apply a primer if required and let it dry completely.

Step 4: Apply the Base Coat

Spray a uniform layer of base coat paint on the object. Allow it to dry according to the manufacturer's instructions. The base coat will slightly soften during activation, allowing the ink to adhere properly.

Step 5: Prepare the Water

Fill your container or tank with water at approximately 90°F (32°C). This ensures optimal film hydration and ink transfer.

Step 6: Place the Film in Water

Lay the Hydrokon film on the water's surface with the printed side facing up. Allow it to hydrate for about 60 seconds.

Step 7: Activate the Film

Spray the activating solution evenly over the surface of the film, making sure not to over-activate. The activator softens the ink and slightly softens the base coat, allowing for a strong image transfer.

Step 8: Dip the Object

Slowly and steadily submerge the object into the water at an angle. Use a smooth motion to allow the image to wrap around the surface. After dipping, gently move the object back and forth to help separate it from the remaining film and achieve a clean dip.

Step 9: Rinse and Dry

Once dipped, rinse the object under running water to remove residual film. Hydrokon film features a fluorescent indicator that glows under blacklight, helping you determine when all the film has been rinsed away. Let the object dry completely before proceeding.

Step 10: Apply the Top Coat

Once dry, apply a clear top coat to protect the design and give it a finished look. Allow the top coat to cure as per the manufacturer's instructions.

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Additional Considerations for Pigment-Based Inks

If using pigment-based inks instead of latex, an additional fixative layer is required:

1. Allow the printed film to dry completely.

2. Apply a thin fixative layer (also called Activator A) over the image.

3. Let the fixative layer dry before proceeding with hydration and dipping. This process mirrors traditional Chinese pre-printed hydrographic films and provides a more uniform activation surface.

Tips for Success when Hydrodipping

• Practice First: If you're new to hydrodipping, start with smaller, simpler objects.

• Consistent Temperature: Keep the water at 90°F for best results.

• Proper Activation: Ensure even activation to avoid imperfections.

• Smooth Movements: Submerge the object carefully to prevent bubbles or wrinkles.

• Use the Fluorescent Indicator: A blacklight can help confirm when the PVA film has been fully rinsed away.

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Hydrodipping with Hydrokon Water Transfer Film offers endless possibilities for customization. With the right technique and attention to detail, you can achieve professional-quality results that stand out. Tag the Hydrokon Facebook page with your projects—we’d love to see what you create. Happy dipping!