Are you looking to attach fabric to foam but not sure which glue to use? With so many adhesive options available, it can be overwhelming to choose the right one. You want a glue that will create a strong bond, but you also want to take into consideration the type of fabric and foam you’re working with. Plus, you don’t want the glue to ruin the appearance of your project. So, what glue will stick fabric to foam? This guide will provide you with everything you need to know about the different factors to consider and the types of glue that will work best for your project. Let’s dive in!
Factors to Consider
When it comes to sticking fabric to foam, there are several factors to consider before choosing the right glue for your project. Failing to choose the appropriate glue can result in your fabric not adhering to the foam surface properly. The type of fabric and foam being used, appearance, and drying time are all important factors that can greatly impact the success of the project. Before delving into the types of glue that can be used for this project, let’s take a closer look at these key factors. If you are interested in gluing fabric to other materials, such as glass or wood, be sure to check out our guides on how to glue ribbon to glass and how to glue cloth to wood.
Type of Fabric
When considering what glue to use to stick fabric to foam, it’s important to think about the type of fabric you will be using. Different fabrics have different properties, and some may require a specific type of glue for the best results.
Cotton and Linen: These fabrics are typically easier to glue and adhere well to spray adhesives, fabric glue or hot glue.
Polyester and Synthetic: These fabrics can be a bit trickier to glue due to their synthetic nature, but still can be adhered with fabric glue or hot glue.
Silk: Delicate fabrics like silk require a gentler adhesive like spray or fabric glue. Rough glues like hot glue or super glue can damage the fabric.
Leather and Suede: These materials require specific types of adhesive such as upholstery glue, which is designed to handle the heavier weight of leather and suede.
It’s important to note that every fabric is different, and finding the right type of glue may take some experimentation. Don’t be afraid to try different glues to find the one that works best for your specific fabric and foam combination.
For more information about creating your own fabric glue, check out our article on how to make fabric glue. If you’re looking to glue fabric to canvas, take a look at our guide how to glue fabric to canvas. And if you’re wondering what glue to use on car interior fabrics, check out our article what glue to use on car interior.
Type of Foam
When it comes to choosing the right glue for fabric to foam, considering the type of foam is crucial. Not all foams are created equal, and each type can have a different reaction to different types of glue. Here are some common foam types and what to keep in mind when selecting the right glue:
| Foam Type | Considerations |
|---|---|
| Polystyrene foam | Polystyrene foam is typically used for craft projects and is available in different thicknesses. However, it’s important to note that some solvents in adhesives can dissolve it and cause it to melt. It’s best to avoid using solvent-based adhesives like spray adhesives and stick to hot glue or epoxy. |
| Upholstery foam | Upholstery foam is commonly used for furniture and cushions. It’s important to choose a glue that can handle the weight and daily wear and tear of the foam. Fabric or upholstery glue is a great option, as it is designed specifically for this type of application. |
| EVA foam | EVA foam is a popular choice for cosplay and costume making. It’s lightweight and easy to work with. Hot glue is a great option for EVA foam, as it can easily adhere to the surface. However, it’s important to avoid using cyanoacrylate-based glues like super glue, as they can cause the foam to melt. |
| Memory foam | Memory foam is commonly used in mattresses, pillows, and cushions. It’s important to choose a glue that can withstand pressure and weight. Epoxy or contact cement are great options for memory foam, as they are incredibly strong and can handle heavy-duty applications. |
Regardless of the foam type, it’s important to test the glue on a small area before applying it to the entire surface. This will ensure that the glue is compatible with the foam and fabric, and will result in a successful project.
Appearance
The appearance of the final product is an essential factor when choosing a glue to stick fabric to foam. Using the wrong adhesive can result in a clumpy, uneven, and unattractive finish. When choosing a glue, consider how it will affect the appearance of the fabric and foam, especially if they are light or delicate materials.
Spray adhesives are perfect for projects where appearance is crucial, as they provide a smooth and even finish. Also, they will not cause the fabric to wrinkle or pill. They are perfect for affixing delicate fabrics such as silk or lace to foam.
Hot glue is a popular choice because it dries clear, making it a great option when the glue may be visible. Hot glue can be messy, so it is important to use small amounts to prevent it from seeping through the fabric. It is also important to work quickly to ensure that the glue does not become lumpy.
Fabric glue is specifically designed for fabric and is a great option when working with lightweight fabrics such as cotton or polyester. It dries clear and is resistant to yellowing, ensuring that the final product’s appearance remains intact for a more extended period.
Super glue is a fast-drying adhesive that can be used when a quick repair is needed. It is not ideal for larger projects as it can become brittle over time, causing the fabric to peel away from the foam.
Epoxy is a two-part adhesive that, when mixed, creates an incredibly strong bond. It is ideal for heavier fabrics such as canvas or duck cloth. It dries clear, making it a suitable option when the glue is visible.
Multipurpose glue is perfect for projects where appearance is not crucial as it can dry with a yellowish tint. It is suitable for heavier fabrics and can provide a strong bond.
Upholstery glue is a heavy-duty adhesive specifically designed for use in upholstery. It is ideal for use with heavy fabrics, such as denim or leather, and can provide a strong and lasting bond.
Now that you know which glue to choose based on appearance, let’s move on to some tips and tricks that will help you achieve the best results possible. For more information on gluing different materials, such as pressed flowers or paper, check out our helpful articles on how to glue pressed flowers, what to use instead of fabric glue, how to glue photos to paper, and how to glue fabric to wood letters. Also, remember to check out our article on how long for fabric glue to dry to avoid making any mistakes that could affect the final appearance of your project.
Drying Time
When it comes to choosing the right glue for sticking fabric to foam, drying time is an important factor to consider. The amount of time it takes for the glue to fully dry will depend on several factors such as the type of glue, the temperature, and humidity level in the room.
To give you a better idea of how long each type of glue takes to dry, we’ve created a table below with approximate drying times for each type of glue based on room temperature of around 70°F and 50% humidity:
| Type of Glue | Drying Time |
|---|---|
| Spray Adhesives | A few minutes to 24 hours depending on the brand and amount applied. |
| Hot Glue | 30 seconds to 5 minutes. |
| Fabric Glue | 24 hours to several days depending on the amount applied and the thickness of the fabric/foam. |
| Super Glue | A few seconds to 1 minute, but may take longer to fully cure. |
| Epoxy | 5 minutes to several hours depending on the brand and the amount applied. |
| Multipurpose Glue | 30 minutes to several hours depending on the brand and the amount applied. |
| Upholstery Glue | 24 hours to several days depending on the amount applied and the thickness of the fabric/foam. |
It’s important to note that while some glues may initially dry fast, they may take longer to fully cure and reach their maximum strength. It is recommended to wait at least 24 hours before subjecting the bond to any stress or strain.
Pro Tips:
- Consider the humidity level in the room as higher humidity can increase drying times.
- Using a fan or heater to increase air circulation can also aid in drying time.
- Be patient and resist the urge to touch or use the bonded fabric and foam until the glue has fully cured.
By understanding the different drying times of each glue type, you can choose the one that best fits your project’s needs and timeline.
Types of Glue
When it comes to sticking fabric to foam, choosing the right glue is critical. With so many adhesive options available, it can be tough to decide which one to use. Some glues work better than others depending on the types of materials being used and the desired outcome. Let’s take a closer look at some of the most commonly used types of glues for this task and explore the pros and cons of each option.
Spray Adhesives
When it comes to sticking fabric to foam, spray adhesives are a popular option. They provide a quick and even distribution of glue across the surface and are easy to apply. Here are some things you should know:
- Drying Time: One of the key benefits of using spray adhesives is their fast drying time. They typically dry within minutes, which can save you a lot of time and effort.
- Type of Fabric: Spray adhesives work well with lightweight fabrics such as cotton, polyester, and nylon. However, they may not be the best choice for heavier fabrics such as denim or canvas.
- Type of Foam: Spray adhesives are compatible with most types of foam, including polyurethane foam and foam rubber.
- Appearance: Spray adhesives usually leave a clear and even finish, which can help maintain the appearance of your project.
- Application: When using spray adhesives, it’s important to apply them in a well-ventilated area and to avoid spraying too close to the foam. Hold the can about 6-8 inches away from the surface and apply a light, even coat of glue. Let it dry for a few minutes before applying the fabric.
Spray adhesives can be a great choice for sticking fabric to foam, as long as you choose the right type of fabric and foam and apply the glue correctly. It’s always a good idea to test your materials beforehand to ensure that the glue will work as intended.
Hot Glue
Hot glue is a popular adhesive option for fabric to foam because of its fast drying time and strong bond. It is a type of thermoplastic adhesive that melts when heated and solidifies when it cools down. However, there are important factors to consider before using hot glue, such as the type of fabric and foam being used, as well as the temperature of the glue gun.
| Pros | Cons |
|---|---|
| Fast drying time | May require high-temperature glue gun, which could damage some types of fabric or foam |
| Strong bond | May not be suitable for heavy-duty or high-impact applications |
| Easy to apply and manipulate | May not be as durable as other types of glue |
It is important to note that hot glue may not be the best option for all types of fabrics and foams. For example, it may not work well with delicate or thin fabrics that could be damaged by the high temperature of the glue gun. It may also not provide a strong enough bond for heavy-duty or high-impact applications. Additionally, the glue may not be as durable in the long term as other types of adhesives.
To use hot glue, it is recommended to use a high-temperature glue gun and to prepare the surfaces beforehand by cleaning and dry-fitting the pieces. Apply the glue in a thin, even layer and press the fabric and foam together firmly, holding them in place until the glue cools and solidifies. Be sure to work in a well-ventilated area and protect your skin from any hot glue drips or burns.
Fabric Glue
Fabric glue is a popular choice for sticking fabric to foam due to its unique properties. This type of glue is specially designed for fabrics and can provide a strong bond without damaging the material.
Advantages:
- Fabric glue is safe to use on most types of fabric and foam.
- It dries clear, which makes it ideal for use on light-colored fabrics.
- It is washable and can withstand machine-washing without losing its strength.
- It is easy to use and provides a good hold, making it ideal for use in a variety of DIY projects.
- Fabric glue also has a fast-drying time, which is ideal for those who need to complete projects quickly.
Disadvantages:
- While fabric glue is great for gluing fabrics to foam, it may not be as strong as other types of glue.
- It may not be suitable for heavy-duty projects where a stronger hold is required.
Tips:
- Before using fabric glue, prepare the surfaces by cleaning and drying them thoroughly.
- Apply the glue sparingly and evenly to avoid any lumps or bumps in the finished project.
- Test the glue on a small, hidden area of fabric and foam before applying it to the entire surface.
- Make sure to use fabric glue in a well-ventilated area and let it dry fully before placing any weight on the glued surfaces.
When using fabric glue, it’s important to adhere to the manufacturer’s instructions and safety warnings. But overall, this type of glue can be a great option for those who need to stick fabric to foam quickly and easily.
Super Glue
Super glue, also known as cyanoacrylate adhesive, is a type of glue that is known for its strong and fast-drying properties. It can be used to stick a variety of materials together, including fabric and foam. However, before using super glue to stick fabric to foam, there are a few factors to consider.
Advantages of Super Glue:
- Fast drying time: Super glue dries in seconds, making it a great option if you need to glue fabric to foam quickly.
- Strong bond: Once dry, super glue creates a strong bond that can withstand tension and pressure.
- Easy to use: Super glue comes in small, convenient bottles with a pointed applicator, making it easy to apply to small and hard-to-reach areas.
Disadvantages of Super Glue:
- Not ideal for large surfaces: Due to its fast drying time, super glue is not ideal for large surface areas as it can dry before you have a chance to properly align the fabric and foam.
- Not ideal for flexible materials: Super glue can become brittle over time, making it unsuitable for materials that require flexibility.
- Not washable: Super glue is not water-resistant, so it may not be the best option if you plan on washing the item you are gluing.
Tips for using Super Glue:
- Clean the surfaces: Make sure the surface of the foam and fabric are clean and free from dust and dirt before applying the super glue.
- Apply in small amounts: Super glue works best when applied in small amounts, so avoid applying too much.
- Work quickly: As super glue dries very quickly, work quickly to align the fabric and foam before the glue dries and sets.
- Avoid contact with skin: Super glue can bond skin together and cause irritation, so it’s important to avoid contact with your skin. If it does come into contact with your skin, use acetone or nail polish remover to dissolve the glue.
Super glue can be an effective way to stick fabric to foam, but it’s important to be aware of its limitations and use it correctly for the best results.
Epoxy
When it comes to bonding fabric to foam, epoxy is a popular choice due to its very strong bonding ability. Epoxy is a two-part adhesive consisting of resin and hardener that must be mixed together before use. Here are some important features of using epoxy for fabric to foam bonding:
- Very Strong Bond: Epoxy glue forms a highly durable and strong bond that can withstand pressure, stress, and heavy loads. It is one of the strongest adhesives available for bonding fabric to foam.
- Long Drying Time: Epoxy glue requires considerably more time to dry compared to other types of adhesives, and it can take up to 24 hours to fully set. This prolonged drying time can be inconvenient if you need to complete your project quickly.
- Difficult to Remove: Once epoxy has cured, it forms an incredibly strong bond and is difficult, if not impossible, to remove. It is crucial to apply epoxy carefully to avoid any mistakes during bonding.
- Not Ideal for Large Area Bonding: Epoxy may not be the best choice for bonding large areas of fabric to foam as it can be challenging to spread evenly over large surfaces. Additionally, it can be challenging to work with because it has a thick consistency.
- Great for Heavy Fabrics: Epoxy is ideal for use with heavy fabrics such as canvas or denim. It can withstand the weight of heavy fabrics without weakening the bond.
Before applying epoxy, it is crucial to follow the manufacturer’s instructions and mix the resin and hardener correctly. Once mixed, you need to apply the epoxy evenly to the fabric and foam surfaces with a spatula or brush. Scrubbing the surfaces beforehand with sandpaper would increase the surface area and improves the bonding process. Once applied, press the fabric to the foam for a few minutes to ensure proper adhesion and leave for the recommended time to dry fully.
In general, epoxy is a suitable adhesive option for bonding fabric to foam when you need a strong and long-lasting bond. However, it might not be the best option if you have limited time for the glue to dry, or if you need to bond a large area of fabric to foam.
Multipurpose Glue
When looking for a versatile option, multipurpose glue is a great choice. It is designed to bond a variety of surfaces, including fabric and foam. It is also water-resistant, which means it can withstand spills and moisture. Here are some examples of multipurpose glues and their features:
| Type of Glue | Features |
|---|---|
| Gorilla Multipurpose Glue | – Dries clear – Can be sanded or painted over – Has a strong hold for heavy-duty projects |
| E6000 Craft Adhesive | – Bonds to a variety of surfaces including foam and fabric – Dries clear – Waterproof and heat resistant – Flexible bond that won’t break down over time |
| 3M Super 77 Multipurpose Adhesive | – Bonds quickly and securely – Great for larger projects – Can be used on a wide variety of surfaces including fabric and foam – Acid-free and non-yellowing |
When using multipurpose glue, it is important to always read the instructions and follow the recommended drying time. It is also a good idea to use in a well-ventilated area to avoid breathing in any potentially harmful fumes. Multipurpose glue is a great option for those looking for a versatile and strong adhesive.
Upholstery Glue
When it comes to sticking fabric to foam for upholstery projects, one option is using upholstery glue. This type of glue is specifically designed for bonding fabrics to foam and other upholstery materials, making it a great choice for those who want a long-lasting and reliable hold.
One popular brand of upholstery glue is Aleene’s Original Tacky Glue. This glue is a versatile choice for many types of upholstery projects, as it dries clear and remains flexible after drying. It is also non-toxic and easy to clean up with water, making it a great choice for those who are concerned about their health and the environment.
Another popular option for upholstery glue is 3M Super 77 Multipurpose Adhesive. This spray adhesive is designed for bonding lightweight materials, including fabric and foam. It dries quickly and provides a strong hold, making it a great choice for those who need to finish their upholstery projects quickly.
To help you choose the right upholstery glue for your project, here is a table outlining the pros and cons of some of the most popular options:
| Upholstery Glue Type | Pros | Cons |
|---|---|---|
| Aleene’s Original Tacky Glue | Dries clear, remains flexible, non-toxic, easy to clean up | Squeeze bottle may be difficult to use for some |
| 3M Super 77 Multipurpose Adhesive | Quick-drying, provides strong hold, great for lightweight materials | Can be difficult to control spray, may release harmful fumes |
| Gorilla Super Glue | Provides strong, instant bond, versatile | Dries hard and brittle, can be difficult to remove if you make a mistake |
No matter which type of upholstery glue you choose, it is important to follow the instructions carefully and work in a well-ventilated area. This will help you achieve a strong, long-lasting bond between your fabric and foam materials.
Tips and Tricks
As you get ready to glue your fabric to foam, there are a few tips and tricks you may want to keep in mind. These can help ensure that you get the best results possible and avoid any mishaps along the way. From preparing your surfaces to testing out your glue beforehand, taking these extra steps can give you the confidence you need to tackle your project with ease. Here are some helpful tips to consider before you get started.
Prepare the Surfaces
Before applying any glue to fabric and foam, it is crucial to prepare the surfaces properly to ensure a strong and lasting bond. Here are some steps to follow when preparing the surfaces:
- Clean the surfaces: Make sure both the fabric and foam surfaces are free of any dirt, debris, or dust. Use a clean, dry cloth to wipe them down.
- Remove any existing finishes: If either the fabric or foam has a finish, such as a waterproof coating or a sizing, remove it by sanding or washing it off. The glue will adhere better to a surface that is free of any coating.
- Rough up the surfaces: Using fine-grit sandpaper, lightly sand the surfaces of both the foam and fabric. This will create a slightly rough texture that the glue can grip onto, providing a better bond.
- Apply primer: You can also apply a primer to the surfaces to promote adhesion. A primer will effectively prepare both fabric and foam surfaces for a strong bond. Choose a primer that is compatible with the type of glue you will be using and follow the manufacturer’s instructions carefully.
By properly preparing the surfaces, you will increase the chances of a successful bond and ensure the longevity of your project. It may add a few extra steps to the process, but it’s worth taking the time to ensure that your project turns out exactly as you envisioned.
Test Before Applying
Before you apply any glue to the fabric and foam, it is crucial to test the adhesive on a small area first. This will save you from ruining the entire project and wasting time and materials. Testing the glue will give you an idea of how well it will adhere and whether it will damage or discolor the fabric or foam.
To test the glue, take a small section of the fabric and foam that you’re planning to glue together. Apply a small amount of adhesive to the foam and fabric and press them together. Leave the glued area to dry for a couple of minutes or the time indicated on the glue label.
After the drying time, gently try to pull apart the fabric and foam. If the bond is strong, and the fabric and foam stick well together, the glue is suitable for the project. If the bond is not strong enough or if the glue caused any damage to the fabrics or foam, consider selecting a different adhesive.
You can use the table below as a reference to compare different adhesives to examine the suitable quality for the fabric and foam bonding.
| Glue Type | Compatibility with Fabric | Compatibility with Foam | Drying Time | Bond Strength |
|---|---|---|---|---|
| Spray Adhesives | Works with most fabric types | Works with most foam types | Quick drying time | Strong bond |
| Hot Glue | Works with most fabric types | May melt some foam types | Instant drying typically | Strong bond but not permanent |
| Fabric Glue | Safe to use on most fabric types | May cause some foam damage | Requires a few minutes to dry | Strong bond |
| Super Glue | May not work on all fabric types | May cause foam melting | Instant drying typically | Strong bond but not flexible |
| Epoxy | Works on all fabric types | Works on most foam types | Takes longer to dry | Extremely strong bond |
| Multipurpose Glue | Works on most fabric types | Works on most foam types | Quick drying time | Strong bond |
| Upholstery Glue | Safe to use on most fabric types | Works on most foam types | Takes longer to dry | Strong bond |
Testing before applying can take some time, but it’ll be worth it when you have a successful result. By selecting the appropriate adhesive and conducting a small test beforehand, you can save time, effort and materials.
Use in a Well-Ventilated Area
When using any kind of glue, it is important to consider the environment in which you will be working. Using glue in an area with poor ventilation can be hazardous to your health, as the chemicals in the glue can release fumes that are toxic when inhaled. Here are some things to consider when using glue in a well-ventilated area:
| Location: | Choose a work area that is well-ventilated, such as a large open room or an outdoor space. Avoid small, confined areas such as closets or bathrooms. |
| Protective Gear: | Wear a mask or respirator to filter the air you breathe. You may also want to wear gloves to protect your skin from contact with the glue. |
| Avoid Windy Conditions: | If working outdoors, choose a day that is calm and avoid windy conditions as the wind could blow the fumes towards you. |
| Clean Up: | When finished, immediately put the glue away and properly dispose of any excess glue or materials used during your project. This will help prevent further exposure to the fumes. |
Remember, using glue in a well-ventilated area is an essential part of keeping yourself safe and healthy. By following these simple steps, you can ensure that your crafting experience is not only fun but also safe.
Let Dry Fully
Ensuring that the glue dries fully is crucial for the success of your project. Rushing the process will lead to a weak bond that will not hold up over time. Follow these steps to make sure your glue has fully dried:
- Be Patient: It can be tempting to want to move on to the next step of your project, but waiting for the glue to dry is necessary. Depending on the type of glue, it may take anywhere from a few hours to a full day to dry completely.
- Check for Tackiness: Before handling your project, check if the glue is tacky or sticky to the touch. If it is, give it more time to dry. If it feels dry, you can move on to the next step.
- Avoid Disturbing the Bond: As tempting as it may be to check if the glue is dry by touching it, it’s best to wait for a full cure. Touching or disturbing the bond while it’s still drying can cause it to weaken or break entirely.
- Use Proper Ventilation: Proper ventilation will help the glue to dry faster and better. If the room you’re working in does not have good airflow, consider using a fan to speed up the drying process.
By ensuring that the glue dries fully, your project will have a better chance of success and its bond will last longer.
Conclusion
After considering the factors and exploring the different types of glue, it is clear that the best glue to stick fabric to foam depends on various factors like the type of fabric and foam, the drying time required, and the desired appearance. It is essential to choose the right glue to ensure a long-lasting bond and a neat and clean finish.
Spray adhesives like the 3M Super 77 Multipurpose Adhesive and the Aleene’s Original Tacky Spray are ideal for attaching lightweight fabrics to foam surfaces. For a stronger bond, epoxy and multipurpose glue like the E6000 Craft Adhesive and the Aleene’s Original Tacky Glue work great. On the other hand, fabric glue like the Aleene’s Original Fabric Glue is formulated to bond fabric to fabric or fabric to foam surfaces. Hot glue and super glue can also be used, but they have a faster drying time and may not provide the best long-term results.
Regardless of the type of glue used, certain precautions should be taken. Surfaces should be cleaned and prepared beforehand for better adhesion. Before applying glue, it is always advisable to run a patch test to check for compatibility and ensure the desired outcome. While working with glue, it is recommended to use in a well-ventilated area, wear gloves, and let the glue dry completely before handling the project.
In conclusion, there is no single glue that can be recommended for all situations. The best option depends on the specific project requirements, the materials used, and individual preferences. By keeping these factors in mind and following the tips and tricks, achieving a strong and durable bond and a professionally finished product is possible.
Frequently Asked Questions
What is the best glue for fabric to foam?
The best glue for fabric to foam depends on factors such as the type of fabric and foam, appearance, and drying time. Some popular options include spray adhesives, hot glue, fabric glue, and epoxy.
Can I use regular glue for fabric to foam?
No, regular glue is not suitable for fabric to foam as it may not bond the two materials effectively and could cause damage to either or both.
Can hot glue be used on foam?
Yes, hot glue can be used on foam, but it is important to use low-temperature hot glue to avoid damaging the foam.
Will fabric glue work on all types of fabric?
Fabric glue is suitable for most types of fabric, but it may not work on very thick or heavy materials.
How long does epoxy take to dry?
Epoxy typically takes several hours to dry completely, but drying times may vary depending on the brand and amount applied.
Can I use multipurpose glue for fabric to foam?
Multipurpose glue can be used for fabric to foam, but it may not provide as strong of a bond as other specialized adhesives.
Is spray adhesive better than other types of glue for fabric to foam?
Spray adhesive can be a good option for fabric to foam as it provides an even, continuous coverage and is easy to apply. However, it may not be the best choice for all types of fabric and foam.
Do I need to prepare the fabric or foam before applying glue?
Yes, it is important to prepare both the fabric and foam before applying glue by cleaning and drying the surfaces and removing any excess debris or fibers.
Can I wash fabric that has been glued to foam?
It depends on the type of glue used. Fabric glued to foam with fabric glue or upholstery glue may be safely washed, but it is important to read the manufacturer’s instructions and avoid harsh detergents or dry cleaning.
How can I remove excess glue from fabric and foam?
Excess glue can be removed from fabric and foam using a damp cloth or sponge before it dries. If the glue has already dried, it can be carefully scraped off or rubbed with a solvent such as rubbing alcohol.