What adhesive sticks to silicone? One key factor is the type of silicone: There are different types of silicone, and not all adhesives will work with all types. In this article, we are gonna take a close look at 4 options that might meet your needs.

What Sticks to Silicone Rubber?

repairing silicone iphone case with an adhesive
You have a silicone case for your iPhone to provide protection from drops and scratches. The silicone case has been working well for over a year but recently you dropped your phone and the case hit the edge of a table.

On inspection, you notice there is now a small tear at one of the corners of the case. While the phone itself is unharmed, the tear in the case exposes parts of the phone and reduces the protection.

In this situation, you will need to apply some Silicone rubber adhesive to repair the torn area and seal the gap. A good example is Permatex 81158 Black Silicone.

For repairing silicone phone/tablet cases and watch bands, a flexible silicone rubber adhesive is recommended. This adhesive maintains its bond even when subjected to stretching and bending, making it suitable for items that experience regular movement.

Smooth-On SIL-poxy Rubber Silicone Adhesive – 0.5 oz Tube Silpoxy

Smooth-On SIL-poxy Rubber Silicone Adhesive
Product OverviewSil-Poxy is a two-part, platinum-cure silicone adhesive that is designed to bond silicone surfaces together. It is non-toxic, and heat-resistant, making it a versatile choice for a wide range of applications.

The adhesive comes in a small tube, which makes it easy to apply precisely and conservatively.

Sil-Poxy sets in 5-10 minutes and cures fully in 24 hours, giving you ample time to adjust and position the bonded items before they become permanent.
Pros and ConsPros
Bonds silicone surfaces strongly and securely
Easy to apply and adjust
Non-toxic and heat-resistant
Sets quickly and cures completely in 24 hours
Comes in a small tube that lasts a long time

May not be suitable for larger or more complex projects
Can be difficult to remove residue from uneven surfaces
Limited to use with 3M residue only
In-Depth AnalysisSil-Poxy’s design and build quality are impressive. The two-part system ensures a strong and reliable bond that is resistant to heat, moisture, and other environmental factors.

The small tube makes it easy to dispense the adhesive accurately without wasting any excess. However, the strong odor and potential messiness of the adhesive require careful handling and good ventilation, especially if you are working with larger items.

In terms of performance, Sil-Poxy is effective in bonding two silicone surfaces together, creating a seamless and strong joint.

However, it may not work as well on textured or irregular surfaces, as it requires a smooth and even surface to achieve optimal adhesion. The curing time may also vary depending on the size and thickness of the bonded surfaces, so it is important to follow the instructions carefully.
Real-Life ExperienceI used Sil-Poxy to repair a small tear in my silicone phone case, and I was impressed with how well it worked. The adhesive set quickly and bonded the torn edges securely, leaving no visible sign of damage.

However, the strong odor required me to use it in a well-ventilated area, and I had to be careful not to apply too much or make a mess. Overall, I was satisfied with the performance and ease of use of Sil-Poxy.
Testimonials and ReviewsOther users have reported positive experiences with Sil-Poxy, citing its strong bonding power and ease of use. One user praised its ability to bond fabric to silicone, while another used it to repair a platinum-grade silicone toy successfully.

Some users found it pricey for the small tube size, while others noted that it worked well but required longer curing time for larger surfaces.
Price and ValueSil-Poxy is relatively expensive compared to other adhesives, but its unique properties and effectiveness in bonding silicone justify the cost, especially if you have valuable or irreplaceable silicone items that need fixing.

The small tube size may seem limited, but since only a little goes a long way, Sil-Poxy offers good value for money in the long run.

Food-grade silicone adhesive

repairing silicone ice cube tray with an adhesive
You have a few silicone ice cube trays that you use regularly to make ice cubes. Over time and repeated use, some of the trays have developed small cracks and tears along the edges and joints.

These cracks have now started to leak water when you fill the trays, spilling onto the countertop. You decide the trays are still functionally fine otherwise, so you want to try and repair them before having to buy new ones.

It’s crucial to use a food-grade silicone adhesive to ensure safety. This adhesive is specifically designed for use in contact with food and can withstand freezing temperatures.

Food Grade NSF RTV Silicone Sealant Adhesive White 2.8 Ounce

Food Grade NSF RTV Silicone Sealant Adhesive White 2.8 Ounce
Product Overview It’s white in color, and its key features include its ability to seal cracks, gaps, and leaks in various materials, including metal, plastic, and glass.

It’s also waterproof, weather-resistant, and has a temperature range of -62°F to 350°F, making it suitable for use in refrigerators, freezers, RVs, and other applications.
Pros and ConsPros
The advantages of this sealant include its versatility, ease of use, and effectiveness in sealing leaks and gaps. It’s also safe for potable water and can be used on delicate surfaces without causing damage.

However, some users reported difficulty in applying the sealant evenly, and the tube packaging may not be durable enough for multiple uses.
In-Depth AnalysisIn terms of design and build quality, the sealant comes in a standard tube that’s easy to handle and apply.

It has a thick consistency that makes it suitable for vertical surfaces, but it may require some effort to spread evenly.

The sealant takes around 8 minutes to dry, which may be longer than other similar products, but it does provide ample time for adjustments. The sealant’s performance is impressive, as it adheres well to different surfaces and creates a strong, lasting bond. It’s also easy to clean up with soap and water.
Real-Life ExperienceWe’ve used this sealant to repair cracks in our refrigerator’s gasket and have been satisfied with the results. The sealant adhered well and has held up for several months without any issues.

Other users have reported using the sealant on RVs, coffee canisters, and even fragile glass items with excellent results.
Testimonials and ReviewsOther users have also reported success with this sealant, with one reviewer praising its ability to seal a Samsung ice maker.

Another user reported using it to seal their bee top feeder and achieving excellent results.
Price and ValueThe sealant is priced competitively compared to other similar products on the market, making it a good value for money. Its versatility and effectiveness make it worth the investment for anyone looking for a reliable sealant for various applications.
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Clear silicone adhesive

using an ahdesive to fix the loosen spatula handle and its head
Your silicone spatula has been in regular use in your kitchen for a few years. The heat from cooking and washing the utensil, again and again, has caused the silicone to degrade over time.

The handle of the spatula has now started to come loose from the spatula head.

The small tabs that originally held the handle in place have weakened and broken off.

You notice the handle is no longer secure when you are stirring a pot of sauce on the stove. It’s time you grab some silicone adhesive: a clear, waterproof silicone adhesive is suitable for kitchen utensils, baking mats, molds, pot holders, and trivets. This adhesive forms a strong bond and can withstand high temperatures, making it a good choice for items exposed to heat.

Read More: Polyseamseal vs. Silicone

BAZIC Silicone Glue 3.38 Oz. (100 mL), Waterproof Crack Resistant

BAZIC Silicone Glue 3.38 Oz.
Product OverviewIt is a cold silicone-based adhesive that dries clear and remains flexible after curing. Its unique formula is designed to work on various surfaces, including plastic, wood, metal, fabric, and paper. This glue comes in a large bottle with an applicator tip that makes it easy to apply the glue precisely without causing any mess.
Pros and ConsPros
Dries clear and remains flexible
Provides a strong hold on different surfaces
Easy to use with the applicator tip
Water-resistant and suitable for outdoor projects
Bonds fast and gives enough time to reposition before it hardens

Takes a long time to dry, which could delay your project
The large applicator may not be suitable for small projects
May not work well with certain fabrics
In-Depth AnalysisIt has a unique formula that sets it apart from other adhesives on the market. Its silicone-based nature provides a strong hold that remains flexible over time, making it suitable for outdoor projects that are exposed to weather elements. The glue also dries clear, ensuring that it doesn’t interfere with the aesthetics of your project. 

The large bottle and applicator tip make it easy to apply the glue precisely without creating a mess. However, the applicator may not be suitable for small projects, and the waiting time for the glue to dry can be frustrating.
Real-Life ExperienceI used it to build a miniature dollhouse, and I was impressed with how it held the project together. Its strength and flexibility meant that I didn’t have to worry about the project falling apart over time.

However, the waiting time for it to dry, especially when working on intricate details, proved challenging. I also found that the glue was stringy when working with small items, making it hard to control.
Testimonials and ReviewsOther users have praised this glue’s ability to hold different materials together effectively.

One user said, “It’s the best craft glue I’ve ever used,” while another remarked, “I use it on materials ranging from wood, plastic, paper, felt, twine, cotton, metal, fabric, and others I’m probably forgetting.”
Price and Value It is priced competitively compared to other adhesives in the market. Its unique formula and ability to bond different surfaces make it a valuable investment, especially for those who engage in crafting or DIY projects regularly.

Silicone sealant

spreading silicone sealant around the bathtub
You have recently renovated your bathroom and installed a new silicon bathtub and sink. The installation was done properly by the contractors and they applied silicone sealant around the edges and joints of the tub and sink to prevent water leakage.

After a few months of use, you notice that the silicone sealant around the bathtub has started to peel off and detach from the surface. There are small gaps visible now between the tub and the tiles. This can allow water to seep in and damage the walls over time. In this case, you will need to thoroughly clean the area, remove any existing old or loose sealant and reapply fresh silicone sealant to seal the gaps and joints again.

For silicone sealants around bathtubs, sinks, windows, and doors, it’s best to use a silicone-based sealant that is waterproof and mold-resistant. Choose a sealant that matches the color of the existing sealant or surface for a seamless repair.

Gorilla Waterproof Caulk & Seal100% Silicone Sealant

Gorilla Waterproof Caulk & Seal 100% Silicone Sealant
Product OverviewThe Gorilla Clear Silicone Sealant is a versatile and durable adhesive that can be used for a wide range of applications. It is specially designed to provide a strong, waterproof bond that can withstand extreme temperatures and weather conditions.

This sealant is clear in color, making it ideal for use on a variety of surfaces without leaving any visible residue.
Pros and ConsPros
Provides a strong, waterproof bond
Can be used on a variety of surfaces
Clear color for a discreet finish
Easy to apply and dries quickly
Resistant to heat, cold, and weathering

Strong odor when first applied
Can be difficult to remove from the tube
May require ventilation during the application
In-Depth AnalysisThe Gorilla Clear Silicone Sealant is a high-quality adhesive that provides a strong, waterproof bond. It is easy to apply and dries quickly, making it an ideal choice for a wide range of applications. However, the strong odor can be a drawback, and the product may require ventilation during application.

One unique feature of this sealant is its clear color, which allows it to blend in seamlessly with a variety of surfaces. This makes it ideal for use on glass, ceramic, and other materials where a visible sealant would be unsightly.

It is a reliable and effective adhesive that can be used for a variety of applications. While it may have some drawbacks, its strong bond and versatility make it a popular choice among homeowners and professionals alike.
Real-Life ExperienceI have used the Gorilla Clear Silicone Sealant for a number of projects around my home, including sealing windows and repairing outdoor fixtures. I found that the product was easy to apply and provided a strong, durable bond.

One issue I did encounter was the strong odor when first applied. I had to make sure to use the sealant in a well-ventilated area to avoid any discomfort.

Overall, I was pleased with the performance of this sealant and would recommend it to others looking for a reliable adhesive.
Testimonials and ReviewsMany users online have praised the Gorilla Clear Silicone Sealant for its strong bond and versatility. One user wrote: “This sealant is the best I have found! It goes on smoother and works better than the pricier sealants. I definitely recommend this product!”

Another user commented on the clear color of the sealant, writing: “It made a perfect seal and, because it is clear, totally invisible unless you know where to look.”
Price and ValueThe Gorilla Clear Silicone Sealant is priced competitively compared to other high-quality sealants on the market. While it may be more expensive than some budget options, its strong bond and versatility make it a worthwhile investment for those looking for a reliable adhesive. Overall, I believe this product provides good value for money.

I’m Ronald Stevens, a Mechanical Engineer obsessed with adhesives, glue, and all things sticky! My passion began in childhood when I’d always be the one playing with glue during arts and crafts. I’d beg my parents to buy me the biggest bottle of glue possible, and I’d spend hours researching and experimenting with different types. Happy reading, and remember: stick with the best, and you’ll never be stuck in a mess!