Sofia Martinez
Art resin is a versatile medium that artists use to create a variety of projects. It can be used on materials such as acrylics, watercolours, dried oil paintings, photographs, prints, spray paint, and even natural objects like flowers, rocks, and leaves. However, one challenge that artists often face is getting art resin to stick to plastic. While it is possible to use art resin on plastic, it does not naturally adhere well to certain types of plastics, such as polyethylene, polypropylene, and polystyrene. To improve adhesion, artists may need to treat the plastic surface by sanding it or using an adhesive, such as UV resin or glue, before applying the resin. Additionally, the weight of the resin can cause some types of plastic, like acrylic sheets, to bow or bend, requiring reinforcement. Despite these challenges, with the right techniques and preparation, artists can successfully use art resin on plastic to create unique and captivating pieces.
| Characteristics | Values |
|---|---|
| Adhesion to plastic | Art resin does not adhere well to plastic. |
| Adhesion to other materials | Art resin adheres well to wood, photographs, inkjet prints, dried acrylic, oil, and watercolour paintings, paper, metal, glass, sculptures, flowers, rocks, and other natural objects. |
| Work surface protection | Cover the work surface with a plastic liner or a vinyl shower curtain, and use drop sheets on the ground for easy cleanup. |
| Tool cleanup | Wipe tools with paper towels, then clean with isopropyl alcohol or acetone. Once all traces of resin are gone, wash with hot soapy water and air dry. |
| Ventilation | Work in a well-ventilated area. Wear a respirator if ventilation is poor. |
| Temperature and humidity | Warm and dry conditions are best. Aim for a temperature range of 75–85°F (24–30°C) and ideally 50% humidity or below 80%. |
| Safety | Art resin is non-toxic, non-flammable, and non-hazardous when used as directed. If resin gets in your eyes, flush with water and seek medical attention. |
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What You'll Learn
Resin does not stick to all plastics
Resin is a versatile material used for various applications, including art, mould-making, and jewellery. While it can be an excellent adhesive, there are certain surfaces to which resin does not adhere well, including some plastics.
Not all plastics are compatible with resin, and attempting to bond resin with the wrong type of plastic can cause the resin to peel, crack, or form a weak bond. For example, polyethylene and polypropylene plastics have a non-polar molecular structure, making them resistant to adhesion by most resins. Additionally, some plastics, such as polystyrene, are hydrophobic, meaning they repel water. Since resin is a water-based substance, it requires a porous surface to bond properly, and polystyrene's non-porous nature makes it challenging for resin to penetrate and form a strong bond.
Acrylic plastic is another type of plastic that resin does not stick to well. Acrylic plastic has a smooth surface that doesn't provide a good surface for resin to adhere to. The resin may form a weak bond, but it will not be strong or durable. Acrylic plastic also has a high level of surface energy, further complicating the process of establishing a strong bond.
PTFE, or Teflon, is known for its non-stick properties, and resin will not adhere to it. This material is commonly used in cookware, and any attempt to bond resin to it will result in a weak and unsustainable bond. Therefore, it is often used as a release surface for resin casting.
It is important to note that the success of bonding resin to plastic depends on the specific type of plastic and resin involved. Some resins may be more compatible with certain plastics than others. Additionally, preparing the surface properly, such as cleaning and degreasing it and using a primer designed for resin, can improve adhesion and lead to a stronger bond.
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Resin can be used to create jewellery
One of the most important things to learn is how to make a mould for your resin jewellery. You can create a mould with a silicone mat or a silicon mould with indents. You can also use UV resin to stick resin to almost any surface. It is also possible to use CA glue or E40 glue to attach resin to plastic.
Resin can be used with real plants to create unique jewellery designs, such as pendants and earrings. It can also be used to coat objects, like keyboard keycaps, to preserve and decorate them.
When working with resin, it is essential to know how to mix it properly so that it cures hard, clear, and unsticky. Epoxies are the easiest type of resin to work with for beginners, as they are forgiving of mistakes and have a long pot time.
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Resin can be used to decorate glass
Resin is a versatile material that can be used to decorate glass in a variety of ways. Resin adheres well to glass due to its high surface energy, which refers to the attractive force between materials. Here are some tips and ideas for using resin to decorate glass:
Choose the Right Glass
When selecting the glass for your project, it is important to opt for thick glass that can better support the weight of the resin. Consider the size and scope of your project, and always ensure that your glass and resin art is supported by a sturdy frame or base.
Prepare the Glass Surface
Before applying resin to glass, it is crucial to ensure that the glass surface is clean and dry. Any presence of dust, dirt, grease, or other contaminants can prevent the resin from adhering properly. Additionally, if you are concerned about delamination, you can lightly sand the glass with fine-grit sandpaper before applying the resin. Sanding increases the surface area for the resin to adhere to, resulting in a stronger bond.
Explore Creative Techniques
Resin can be applied directly to glass surfaces such as mirrors, window panes, or wine glasses. You can use resin as an adhesive for glass tiles, grout for mosaics, or as a top coat over shattered glass to conceal sharp edges. Get creative and embellish your resin art with tinted resin, glass shards, fire glass, or crushed glass pieces to add sparkle and texture to your projects.
Manage Temperature Sensitivity
It is important to remember that resin and glass have different thermal expansion rates. They expand in warmer temperatures and contract in cooler temperatures at different rates. To avoid issues such as glass shattering or layers separating, leading to air pockets or peeling resin, keep your resin and glass pieces in temperature-controlled environments. Avoid areas prone to significant temperature fluctuations, such as outdoor spaces, windows, exterior doors, or direct heat sources.
Safety Precautions
Always remember that resin adds significant weight to glass, so use extreme caution when handling or transporting resin and glass projects, especially large and heavy items. With or without resin, glass can easily shatter, especially if there are any weak spots or hairline fractures. Resin and glass items are not dishwasher or microwave safe, so always wash them gently by hand and avoid temperature swings, such as pouring a cold beverage into a warm glass.
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Resin can be used to cover natural objects
Resin is a versatile medium that can be used to cover and preserve natural objects, enhancing their beauty and protecting them from deterioration. Here are some tips and guidelines for using resin to cover natural objects:
Choosing the Right Resin
Select a suitable resin type for your project. Epoxy resin is a popular choice for art and craft projects due to its clear, glossy finish and ease of use. It can be applied to a variety of natural materials, including wood, flowers, leaves, feathers, and rocks.
Surface Preparation
Ensure that the natural objects you plan to cover with resin are thoroughly dry. Moisture can cause wood to expand and contract, leading to cracks in the resin. Leaves and flowers should be completely dried to prevent rotting under the resin. You can use silica gel to speed up the drying process for delicate organic materials.
Work Surface and Ventilation
Prepare your work area by levelling the surface to avoid resin runoff. It is also crucial to work in a well-ventilated space when using resin, as the fumes can be strong and potentially harmful.
Embedding Objects in Resin
Before mixing the resin, gather your materials and visualize your final design. Mix the resin and hardener according to the manufacturer's instructions, typically combining equal parts and stirring thoroughly. Prepare a clean, dry mould and pour a thin layer of resin to cover the bottom. Let it cure until tacky, then arrange your natural objects on top, gently pressing them down to secure them in place.
Curing and Additional Layers
Allow the resin to cure completely before adding additional layers. You can test the cure time with a toothpick by poking the resin—if it has thickened and feels tacky, it's ready for the next layer. If you're embedding multiple layers of natural objects, repeat the process, allowing each layer to cure until tacky before adding more resin and objects.
Creative Applications
Using resin to cover natural objects opens up a world of creative possibilities. You can create unique jewellery, coasters, paperweights, or even resin-covered leaves and flowers for decorative purposes. The clear resin enhances the natural beauty of organic materials while also preserving their colours and delicate structures.
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Resin can be used to seal polymer clay
Sealing polymer clay with resin gives your artwork a unique, glass-like finish and seals it to a high standard. It is a great way to add creative touches to your polymer clay beads.
To seal polymer clay with resin, you must first cure the resin. Some resins require you to use a UV lamp or direct sunlight, while others do not. Most resins hate moisture, so it is important to ensure your polymer clay is bone dry. You can lay your clay out on a tile or newspaper to prevent messes.
When mixing your resin, do it slowly to avoid air bubbles. Make sure your mixing stick never lifts from the bottom of the cup unless you are scraping the edges or wiping the stick.
Once your resin is mixed, you can apply it to your polymer clay. You can paint it on with a disposable foam brush, apply it with gloved hands, or dip small objects into a cup of resin. If you want to coat all sides of an object, you can prop it up on pyramid stands to let it cure. You may get drips that accumulate at the bottom, but these can be sanded off after the resin has dried.
If you are drilling holes in your beads, it is best to do so after sealing your polymer clay with resin. This will prevent the resin from clogging up the holes.
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Frequently asked questions
Resin does not stick well to plastics, especially polyethylene plastics like plastic bags. However, some resins can be used on certain plastics, and some resins can be used to cover other materials.
UV resin can be used to stick to almost anything. Other types of resins may work with certain plastics, but it depends on the type of plastic.
If you want to use resin on plastic, you can try lightly sanding the plastic to give it a rougher surface for the resin to stick to. You can also try using a glue like CA glue or E40 to attach the plastic pieces before applying the resin.
Resin can be used on many different materials, including glass, wood, metal, paper, and natural objects like rocks and flowers. Resin will not stick to materials designed to repel water, such as silicone.
