
Herculiner can be applied to most plastics, including PVC, to create a durable, skid-resistant protective coating. It is a permanent application that dries harder than plastic, making cleaning a breeze. Before applying Herculiner, it is important to clean the surface of any dirt and grime and to scuff all paint surfaces, leaving no glossy areas. A light first coat should be applied and allowed to dry for one to four hours before applying a second coat to completely seal and bring out the shine. It is recommended to spread the second coat in the opposite direction to ensure complete coverage. After the second coat, the Herculiner should be left to cure for 24 hours. While Herculiner can be applied directly to plastic, some users have suggested roughing up the surface with sandpaper first to improve adhesion.
Characteristics and Values
| Characteristics | Values |
|---|---|
| Application process | Clean the surface, mask off areas to be painted, scuff paint surfaces, wipe down with Xylene, Acetone or MEK solution, stir Herculiner, apply a light first coat, allow to dry for 1-4 hours, apply second coat in the opposite direction, let cure for 24 hours |
| Application area | Well-ventilated area |
| Application tools | Rollers provided in the kit, hard nylon-based roller pads, brushes, scotch-brite pads |
| Surface compatibility | Wood, metal, concrete, aluminum, asphalt, rubber, fiberglass, most plastics (including PVC), painted or primed steel and aluminum |
| Temperature range for application | 32° F - 95° F |
| Paint compatibility | Polyurethane-based paint is recommended, other paints (except lacquer) can be used but may not last as long |
| Paint application time | Within 24 hours of Herculiner drying, preferably when it is most receptive (within 1-4 hours of the final coat being applied) |
| Removal | Can be removed with Xylene if still wet, otherwise, it is a permanent application |
| Mixing | Do not mix anything into Herculiner before application, including other Herculiner colours |
| Variants | Herculiner Original Roll-On, Herculiner Professional Grade (can be sprayed or rolled on without viscosity adjustment) |
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What You'll Learn

Preparation: Clean the plastic surface and mask off areas to be painted
To prepare a plastic surface for Herculiner application, start by cleaning heavy dirt and grime from the surface. Use a cleaner like Xylene (Xylol), Acetone, or MEK solution, along with a rag, to wipe down the surface. This step ensures that the plastic surface is free from any contaminants that may interfere with the adhesion of the Herculiner.
Next, mask off any areas that you do not want to be painted. Use painter's tape or masking tape to cover and protect these areas. Be thorough in this step, as the tape will become a permanent part of the surface if the Herculiner is applied over it.
Additionally, it is important to scuff or roughen all paint surfaces where Herculiner will be applied. Use sandpaper or a scotch-brite pad to create a slightly abrasive surface, removing any glossy areas. This step helps the Herculiner adhere better to the plastic surface.
Once the preparation steps are completed, you can proceed with the Herculiner application, following the manufacturer's instructions for mixing and applying the product. Remember to always work in a well-ventilated area when applying Herculiner.
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Mixing: Pour hardener into resin, shake vigorously
When applying Herculiner to plastic, it is important to follow the manufacturer's instructions carefully. Here is a detailed guide on the "Mixing" step of the process, specifically focusing on pouring the hardener into the resin and shaking vigorously:
Preparation:
Before you begin, it is crucial to wear protective gear, such as nitrile gloves and safety goggles. Ensure that you have adequate ventilation in your work area by opening windows or using fans. Gather the necessary materials, including a clean mixing cup, preferably made of wax-free paper or metal, and a measuring cup to achieve the accurate resin and hardener ratio.
Pouring and Mixing:
- Estimate the amount of epoxy resin needed for your project. Pour the hardener into your mixing cup, allowing it to settle and lay flat.
- Add the resin to the mixing cup. The general ratio is two parts epoxy to one part hardener, but always refer to the manufacturer's directions for specific materials.
- Use a mixing stick to scrape the sides and bottom of the cup to ensure thorough mixing. Be careful not to mix too fast to avoid introducing unwanted air bubbles.
- Stir the resin and hardener vigorously for 1-2 minutes. The mixture will become hazy during mixing, which is normal.
- Continue mixing and scraping the sides and bottom of the cup until the mixture becomes clear and uniform, with no hazy streaks or patches. This may take 3-5 minutes in total.
- Optionally, transfer the mixture to a second container and mix for an additional 1-2 minutes to ensure it is fully blended.
- Let the mixture sit for a brief period to allow any air bubbles to rise to the surface.
Remember that achieving the correct ratio of resin to hardener is crucial for the performance of your final product. Always follow the manufacturer's instructions and take the necessary precautions to ensure a safe and successful mixing process.
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First coat: Use a roller to apply a light first coat
To apply a light first coat of Herculiner to plastic, you will need to use a roller. You can use the rollers provided in the kit or any hard nylon-based roller pad. Before you begin, ensure that you are working in a well-ventilated area.
Firstly, clean heavy dirt and grime from the surface and mask off all areas to be painted. Scuff all paint surfaces where Herculiner is to be applied, leaving no glossy areas. Wipe down the surface with Xylene (Xylol), Acetone or MEK solution, and a rag.
Next, stir the Herculiner thoroughly before applying it and while you are working. This helps to keep the rubber particles suspended and assures an even application.
Now, you can begin to apply the light first coat. This first coat acts as a "primer" for your second coat. Work slowly and methodically, and avoid getting it on your skin, as it is quite difficult to wash off. Start with the corners of the bed, using the provided brush, and then move on to the larger areas with your roller.
After the first coat has been applied, allow the Herculiner to set up for approximately 1-4 hours or until it is no longer tacky.
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Second coat: Apply in the opposite direction to the first for full coverage
After applying the first light coat of Herculiner, which acts as a primer, allow it to dry for one to four hours. The drying time depends on the temperature and humidity, with colder temperatures and lower humidity increasing the curing time. Once the first coat is no longer tacky, you are ready for the second coat.
For the second coat, spread the Herculiner in the opposite direction to the first coat. This ensures complete coverage and helps you achieve a uniform finish. Take your time with this step to guarantee full coverage and an even application.
After applying the second coat, let it cure for 24 hours. This is a crucial step to ensure the Herculiner fully sets and achieves its intended durability. During this time, avoid any contact with the surface and ensure it remains undisturbed.
Additionally, it is important to note that Herculiner must be applied in a well-ventilated area. If you get any on your skin, use Xylene to remove it immediately, followed by washing your hands with soap and water.
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Curing: Allow 24 hours to cure
After applying the first coat of Herculiner, you should allow it to set up for approximately 1-4 hours or until it is no longer tacky. Once the first coat is no longer tacky, you can apply the second coat. After applying the second coat, the product should be left to cure for 24 hours. It is important to note that the curing time may vary depending on the temperature and humidity. The colder the temperature and the lower the humidity, the longer the curing process will take.
During the curing process, it is important to ensure that the area is well-ventilated. After the 24-hour curing period, the Herculiner will be dry to the touch, but it is recommended to wait for another 24 hours for the product to fully cure.
If you plan on painting the surface, it is best to use a polyurethane-based paint. The paint should be applied within 24 hours of the Herculiner becoming dry to the touch, as it will be in its most receptive state at that time. Other types of paint can also be used, except for lacquer, but they may not hold up as long as polyurethane.
It is important to note that you should not mix anything into the Herculiner before applying it, as this can affect the curing process and the final product's compatibility.
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Frequently asked questions
Clean heavy dirt and grime from the surface and mask off all areas to be painted. Scuff all paint surfaces where Herculiner is to be applied, leaving no glossy areas. Wipe down the surface with Xylene (Xylol), Acetone or MEK solution, and a rag.
First, stir the Herculiner thoroughly. Then, apply a light first coat. After the first coat has been applied, allow Herculiner to set up (approximately 1-4 hours or when it is no longer tacky). Apply a second coat to completely seal and bring out the shine. Spread the second coat in the opposite direction to ensure complete coverage.
Allow the second coat to cure for 24 hours. You can apply paint within 24 hours of the Herculiner becoming dry to the touch for the best adhesion. It is recommended to use a polyurethane-based paint for the longest-lasting coverage.





































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