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Best Filler For Plastic Bumpers (2024 Update)

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If you’re looking for ways to restore your car’s plastic bumper to its former glory, you might be wondering what the best filler for plastic bumpers is. With so many options available on the market, it can be difficult to choose the right one. However, before you decide on a specific product, there are several factors you need to consider.

First, you need to think about the type of damage your bumper has sustained. Is it just a minor scratch or is there a more significant dent or crack? Depending on the severity of the damage, you may need a different type of filler. You also need to consider the color of your bumper to ensure that the filler matches it perfectly.

Another important factor to consider is the ease of application. Some fillers are easier to use than others and require less technical expertise. You might want to choose a product that is user-friendly and doesn’t require any special tools or equipment.

Have you been scouring the internet for a product that will solve your bumper woes? Do you want a filler that is easy to use and perfectly matches the color of your bumper? Are you looking for a top-rated product that will restore your bumper to its original condition? Look no further! In this article, we will discuss the best filler for plastic bumpers and help you make an informed decision about which one is right for you.

10 Best Filler For Plastic Bumpers

# Product Image Product Name Product Notes Check Price
1
The product is ideal for repairing fiberglass surfaces on a variety of items.
2
The product is ideal for repairing leaks and cracks in wet or underwater areas.
3
Ideal for spot filling and skim coating on surfaces in need of minor repair work.
4
It is ideal for repairing and filling holes, cracks, and gaps in fiberglass, metal, and wood surfaces on boats and vehicles.
5
The product is ideal for sealing and filling almost any metal surface to increase durability and longevity.
6
This product is ideal for repairing and finishing a variety of surfaces with a two-part epoxy adhesive.
7
It is ideal for filling gaps, holes, and cracks in both interior and exterior surfaces that need to be painted.
8
This product is ideal for repairing semi-rigid parts and comes in a 200 mL black cartridge.
9
It's ideal for bonding plastic surfaces quickly, providing a strong, durable and waterproof bond in just 5 minutes.
10
Ideal for filling small cracks, holes and imperfections in wood, metal, and fiberglass surfaces before painting.
The product is ideal for repairing fiberglass surfaces on a variety of items.
The product is ideal for repairing leaks and cracks in wet or underwater areas.
Ideal for spot filling and skim coating on surfaces in need of minor repair work.
It is ideal for repairing and filling holes, cracks, and gaps in fiberglass, metal, and wood surfaces on boats and vehicles.
The product is ideal for sealing and filling almost any metal surface to increase durability and longevity.
This product is ideal for repairing and finishing a variety of surfaces with a two-part epoxy adhesive.
It is ideal for filling gaps, holes, and cracks in both interior and exterior surfaces that need to be painted.
This product is ideal for repairing semi-rigid parts and comes in a 200 mL black cartridge.
It's ideal for bonding plastic surfaces quickly, providing a strong, durable and waterproof bond in just 5 minutes.
Ideal for filling small cracks, holes and imperfections in wood, metal, and fiberglass surfaces before painting.

1. Bondo Fiberglass Resin Repair Kit, 00422, 0.9 Quart

Introducing an effortless and effective solution for repairing holes and scratches on a variety of surfaces, including automobiles and boats – the Easy Do-It-Yourself Kit. This kit includes all the necessary items for a hassle-free repair process which can be accomplished by anyone in the comfort of their home.

The 100% waterproof seal ensures that the repaired surface will maintain its durability and longevity, even in harsh weather conditions. The strong and versatile formula of the kit enables it to be used on various surfaces, such as concrete, wood, fiberglass, and metal.

The repair process is quick and easy – the surface can be sanded in under two hours, leaving it smooth and ready for painting. The kit comes with a fiberglass resin, liquid hardener, plastic spreader, fiberglass cloth, mixing stick, and mixing tray, making it an all-in-one solution for those who want to repair holes and scratches without the hassle of buying individual items.

The Easy Do-It-Yourself Kit is perfect for DIY enthusiasts who want to save money by repairing their own surface damages. It is also a great solution for those who wish to avoid the high costs of professional repairs. The kit is user-friendly and requires no previous experience in repairing surfaces. With its easy-to-follow instructions, anyone can achieve a professional-looking repair job.

2. J-B Weld 8277 Waterweld Epoxy Putty Stick – 2 Oz., Off White

Introducing J-B Weld WaterWeld, a two-part, hand-mixable epoxy putty stick that is specifically designed to cure under water and is perfect for repairing plumbing, fuel tanks, tubs and showers, drains, pool and spa equipment, boats, potable water tanks, and more. This product is certified by the NSF and is safe for contact with potable water.

Upon kneading the two-part formula together by hand, WaterWeld takes only 25 minutes to set and cures completely within 1 hour. The resulting color of the set and cured product is an off-white shade.

With a lap shear strength of 1300 PSI, this product is incredibly strong and can withstand continuous temperatures up to 300F (149C) and intermittent temperatures of 350F (176 degrees Celsius). Additionally, when the product is fully cured, it becomes chemical resistant against petroleum, hydraulic fluids and other chemicals.

This epoxy putty stick is versatile, as it can be used on a variety of surfaces including iron and stainless steel, copper and brass, aluminum and bronze, fiberglass, and plastic and PVC.

Whether you have a large or small project, you can easily tackle it with J-B Weld WaterWeld. This heavy-duty epoxy and adhesive delivers superior performance, quality, and results, making it the perfect choice for achieving the world's strongest bond.

3. Evercoat Poly-Flex Flexible Polyester Glazing Putty For Spot Filling And Skim Coating – 30 Fl Oz

Introducing versatile and high-quality putty formulations from Evercoat, designed to cater to all your automotive body repair needs. The Flexible Putty is a handy tool for spot filling and skim coating on flexible bumpers and plastic parts. On the other hand, the Viscous Putty is ideal for filling minor imperfections such as sand scratches, nicks, dings, and more.

One of the best features of the Evercoat polyester putty is its easy sanding capability. With just a 180 grit sandpaper, you can achieve a smooth and seamless finish. The putty can also be applied on various surfaces such as steel, aluminum, fiberglass, and more, making it a versatile option for all your repair needs.

At Evercoat, we understand the importance of providing high-quality products for automotive body repair. That's why we are committed to delivering exceptional putty, primer, and body filler formulations to our customers. Trust in our expertise and experience in the industry to provide you with the best possible solution for all your automotive repair needs.

Invest in Evercoat's putty formulations today and experience the convenience and efficiency of a product that delivers reliable results every time. Whether you need to address major or minor imperfections, our putty formulations are sure to exceed your expectations. With Evercoat, you can rest assured that you are investing in a product that is designed to cater to all your automotive body repair needs.

4. Evercoat Tiger Hair Long Strand Fiberglass Reinforced Filler – Waterproof Filler – 32 Fl Oz

This high-quality waterproof filler is made of fiberglass reinforcement and high-strength polyester resin, ensuring durability and longevity for your repair needs. With its excellent bridging and crack-filling properties, this resilient body filler is perfect for repairing damage to your vehicle's body. It's also rustproof, making it ideal for heavy-duty damage and bulk filling rust repairs.

This versatile filler can be applied to a variety of surfaces, including steel, aluminum, fiberglass, and more, making it the perfect go-to solution for all your automotive body repair needs. Whether you need putty, primer, or body filler formulations, our products are designed to provide you with the best possible results.

With its superior strength and durability, this waterproof filler is sure to meet all your automotive body repair needs. So why wait? Choose this top-of-the-line product today and experience the peace of mind that comes with knowing your vehicle is in good hands.

5. Bondo Plastic Metal, Seals & Fills Almost Any Metal Surface For Durability & Longevity, 5 Oz.

Looking for a reliable and efficient solution for repairing metal surfaces? Look no further than this high-quality product. It seals and fills almost any metal surface with ease, providing durability and longevity that you can count on. With a quick hardening time, you can make fast repairs that will stand up to the test of time.

This product is easy to work with, as it can be filed, sanded, drilled, and painted when dry. This ensures consistent, high-quality results that meet professional standards. And because it applies directly to metal surfaces right from the tube, it's a simple and straightforward solution for auto body repair.

When you use this product, you'll enjoy durable, professional-quality repairs to seams and holes in metal, without the need for mixing. And with a flash point of -5.0 degrees Celsius, you can trust that it's safe and reliable for industrial and occupational use.

Please note that this product is not for consumer sale or use. It's intended for industrial and occupational use only. But if you're looking for a reliable solution for repairing metal surfaces, you won't be disappointed with this high-quality product.

6. Ez Finish Epoxy Repair Adhesive – 3m

The automotive industry demands high-performing solutions to repair plastic panels and match OEM seam sealers. With that in mind, the Two-Part Epoxy from 3M is a reliable and durable option for these applications.

This adhesive boasts an automatic metering system that ensures the correct ratio of parts for optimal performance. The result is a strong and flexible bond that resists impact and shear forces, making it perfect for automotive repairs.

The Two-Part Epoxy also offers easy sanding capabilities, allowing for a smooth finish in as little as 15 minutes. This feature reduces the need for rework and saves valuable time in the repair process.

Furthermore, the adhesive is quick-drying and can be painted in as little as 30 minutes. This fast-drying attribute increases vehicle throughput, allowing for quicker turnarounds and improved productivity.

The Two-Part Epoxy is part of a complete repair system that includes 3M applicator guns and adhesion promoters. This system ensures optimal performance and ease of use, streamlining the repair process.

Each package comes with two static mixing nozzles, further simplifying the application process. However, it is essential to note that this product is for industrial/occupational use only and not intended for consumer sale or use.

7. Ultimate Home Repair Solution: Bondo Putty

This versatile two-part filler is the perfect solution for a wide range of permanent, non-shrink repairs. It bonds strongly to an array of surfaces, ensuring a durable finish that lasts. Thanks to its fast curing time, this filler is sandable in just 15 minutes, making it ideal for same-day repairs. Once mixed, it has a light gray color that helps it blend in with surfaces for a seamless appearance.

This filler is fully paintable and stainable, providing you with the flexibility to achieve the look you desire. It comes with a white Bondo Cream Hardener included, making it easy to get started with your repair project right away. As a trusted brand in the industry, Bondo ensures the highest quality performance that professionals have come to expect.

It is important to note that this product is intended for industrial and occupational use only and is not for consumer sale or use. This ensures that it meets rigorous standards for durability and safety in demanding applications.

8. 3m Semi-Rigid Parts Repair – 1, 08235, Black, 200 Ml Cartridge

The productivity of any project can be significantly improved with the help of fast-curing urethane chemistry. This unique formula is designed to bond a variety of semi-rigid plastics, making it the perfect solution for any repair job. The adhesive is specifically formulated to reinforce two-sided repairs, ensuring that the bond created is both strong and long-lasting.

This high-performance adhesive creates a lasting bond that is sure to stand up to even the most demanding industrial and occupational applications. The 200 mL and 50 mL dual-syringe cartridge systems make application easier than ever before, allowing for precise and efficient application every time.

It is important to note that this adhesive is intended for industrial and occupational use only and is not for consumer sale or use. This ensures that the adhesive is used in a safe and responsible manner, making it the ideal choice for any professional repair job.

9. Permatex 84115 5-Minute Plastic Weld Adhesive, 0.84 Oz.,black

This versatile structural adhesive is the perfect solution for bonding a wide range of materials together. With its tough and durable bond, it is highly effective on most plastics, composites, ceramics, and wood. This adhesive is designed for general purpose bonding and requires no primers, making it quick and easy to use. It sets in just five minutes at room temperature and provides permanent strength of up to 3500 PSI.

This adhesive is perfect for bonding rigid materials such as ABS, acrylic, fiberglass, FRP, glass, PVC, SMC, steel, styrene, vinyl, and wood. It can be used for interior trim, filling cracks, bonding most plastic, and bonding plastic to vinyl. Its reliable performance and strength make it a go-to solution for all your bonding needs.

Whether you're looking to repair a broken item or create something new, this structural adhesive is an excellent choice. It provides a strong and permanent bond that will last for years to come. Plus, its quick setting time and no-primer requirement make it easy to use, even for beginners.

10. Us Chemical Ready-To-Use Red Glazing Putty (16 Oz.)

Looking for a reliable solution to fix imperfections, pits, scratches, and shallow dents in your vehicle? Look no further than this red glazing putty! This product is specially designed to work alongside other auto body repair materials to help you repair holes, scratches, and dents in metal with ease.

One of the best things about this red glazing putty is that it comes ready-to-use straight out of the container, so you won't need to spend time mixing it or preparing it before use. Simply apply it to the affected area and let it work its magic.

Once the putty has dried, you'll find that it's sandable and paintable, which means you can easily smooth it out and paint over it for a seamless finish. This makes it a great option for anyone looking to fix cosmetic damage to their vehicle without having to pay for expensive professional repairs.

So if you're looking for an easy-to-use, effective solution for repairing imperfections in your vehicle's metal body, look no further than this red glazing putty. With its sandable, paintable finish, you'll be able to achieve a flawless repair that looks great and lasts for years to come.

Best Filler For Plastic Bumpers FAQs

Can you sand filler on plastic bumpers?

Yes, you can sand filler on plastic bumpers. However, there are some things you need to keep in mind before doing so. Firstly, it is important to use a filler that is specifically designed for plastic bumpers, as regular filler may not adhere properly. Secondly, you need to ensure that the area is clean and free of any contaminants before applying the filler. Once the filler has been applied, it can be sanded using a fine-grit sandpaper. However, it is important to avoid sanding too aggressively, as this can cause damage to the bumper. It is also important to ensure that the bumper is properly primed and painted after sanding and filling, in order to protect it from further damage and to ensure a smooth and even finish.

Can you use body filler on plastic bumpers?

Yes, you can use body filler on plastic bumpers but there are some important things to keep in mind. Firstly, you must use a filler that is specifically designed for use on plastic surfaces. Regular body filler is not suitable for use on plastic as it will not adhere properly and can crack or peel away over time.

Secondly, it is important to properly prepare the surface of the bumper before applying the filler. This involves thoroughly cleaning the area with a suitable cleaner and then sanding the surface to create a rough texture that will help the filler to adhere properly.

Lastly, it is important to follow the manufacturer's instructions carefully when applying the filler. This includes mixing the filler correctly and applying it evenly to the surface. Once the filler has been applied, it will need to be sanded and smoothed to create a seamless finish that blends in with the surrounding area.

Overall, while it is possible to use body filler on plastic bumpers, it is important to use the right products and follow the correct procedures to ensure a high-quality, long-lasting repair.

How do you paint over filler on plastic bumpers?

Painting over filler on plastic bumpers requires careful preparation and attention to detail. Here are the steps to follow:

1. Sand the filler: Use a fine-grit sandpaper to sand the filler down to a smooth surface.

2. Clean the surface: Use soap and water to clean the surface of the bumper. Allow it to dry completely.

3. Apply primer: Apply a plastic primer to the surface of the bumper. This will help the paint adhere to the surface.

4. Sand the primer: Use a fine-grit sandpaper to sand the primer down to a smooth surface.

5. Apply paint: Apply the paint to the surface of the bumper in thin, even coats. Allow each coat to dry completely before applying the next.

6. Apply clear coat: Apply a clear coat to the surface of the bumper to protect the paint. Allow it to dry completely.

It's important to note that painting over filler on plastic bumpers can be tricky and may require some practice to get the desired results. If you're unsure about your skills, it's always best to seek the help of a professional.

How do you prepare a plastic bumper for filler?

Preparing a plastic bumper for filler requires a few steps to ensure a smooth and long-lasting finish. Firstly, clean the surface of the bumper using soap and water to remove any dirt, grease, or debris. Then, use a plastic cleaner or adhesion promoter to prepare the surface for filler application.

After cleaning the surface, use sandpaper or a sanding block to sand down the bumper, ensuring that the surface is smooth and free of any bumps or scratches. Sand the surface with a fine grit sandpaper to create a good surface for the filler to adhere to.

Once the surface is sanded, wipe it with a clean cloth to remove any dust or debris. Apply filler to the surface, spreading it evenly with a filler spreader or putty knife. Allow the filler to dry and then sand it down again to create a smooth surface.

Finally, prime the surface with a plastic primer and paint the bumper to match the rest of the car. With these steps, your plastic bumper will be fully prepared for filler application and ready for a smooth and durable finish.

How durable is filler on plastic bumpers?

The durability of filler on plastic bumpers depends on various factors such as the type of filler used, the condition of the bumper, and the environment in which the vehicle is usually driven. Generally, plastic bumpers are prone to cracking, chipping, and fading due to exposure to the sun, extreme temperatures, and road debris.

To ensure the longevity of fillers on plastic bumpers, it is essential to use high-quality and long-lasting filler materials. Most modern fillers are made of durable and weather-resistant materials that can withstand the elements and protect the bumper from further damage.

However, it is important to note that filler is not a permanent solution for repairing a bumper. Over time, the filler may start to crack or peel, especially if the bumper is subjected to excessive wear and tear. Therefore, it is recommended to have a professional inspect and repair your plastic bumper if it is damaged to ensure its longevity.

How long does filler take to dry on plastic bumpers?

The drying time for filler on plastic bumpers can vary depending on several factors such as the type of filler used, the temperature and humidity of the environment, and the thickness of the application. Generally, most fillers will take about 20-30 minutes to dry to the touch, but it is recommended to wait at least 24 hours before sanding or painting the surface. This will ensure that the filler is fully cured and will not crack or shrink once painted. It is important to follow the manufacturer's instructions for the specific filler being used and to take into consideration any additional drying time needed for multiple layers of filler. It is also recommended to use a high-quality filler specifically designed for plastic surfaces to ensure proper adhesion and durability.

What is the best primer for plastic bumpers?

When it comes to priming plastic bumpers, it's important to choose the right product that will adhere well to the surface and provide a smooth base for the topcoat. One of the best primers for plastic bumpers is a 2K primer. This type of primer contains two components that when mixed, create a stronger and more durable bond than a regular one-component primer. 2K primers are also known for their excellent adhesion, which is crucial for plastic surfaces that are prone to peeling and cracking.

Another option is a plastic adhesion promoter primer. This type of primer is specifically designed to bond with plastic surfaces and create a strong base for paint. It is important to note that adhesion promoter primers should be used sparingly and according to the manufacturer's instructions to avoid damaging the plastic surface.

Ultimately, the best primer for plastic bumpers will depend on the specific type of plastic and the desired finish. It is recommended to consult with a professional or do thorough research before selecting a product to ensure the best results.

What is the best type of filler for plastic bumpers?

The best type of filler for plastic bumpers typically depends on the specific type of bumper and the extent of the damage. However, there are a few common types of fillers that are often used for plastic bumpers.

One popular option is a two-part epoxy filler, which is a strong and durable option that can withstand the impact of small collisions. Another common option is a urethane-based filler, which is also strong and flexible, making it a good choice for bumpers that are frequently exposed to extreme temperatures or weather conditions.

It's important to note that some types of fillers may not be compatible with certain types of plastic bumpers, so it's always a good idea to check with the manufacturer or a professional before selecting a filler. Additionally, proper preparation and application techniques are crucial for achieving a seamless and long-lasting repair.

What is the best way to apply filler to a plastic bumper?

The best way to apply filler to a plastic bumper is by following these steps:

1. Clean the bumper thoroughly: Use soap and water to clean the bumper and ensure that it is free of dirt, grease, and debris. Dry it with a clean cloth.

2. Sand the bumper: Use a sandpaper to roughen the surface of the bumper. This helps the filler adhere better.

3. Mix the filler: Follow the instructions on the filler package to mix it properly. Mix only the amount you need for the job.

4. Apply the filler: Use a plastic spreader to apply the filler to the damaged area. Spread it evenly and make sure to fill all the cracks and dents.

5. Let the filler dry: Allow the filler to dry completely. The drying time will depend on the brand of filler you use.

6. Sand the filler: Once the filler is dry, use sandpaper to smooth it out. Use a finer grit of sandpaper to finish the job.

7. Paint the bumper: Once the filler is sanded and smooth, it's time to paint the bumper. Use a paint that is compatible with plastic.

Remember to wear protective gear like gloves and a mask while working with filler. If you are not confident in your ability to do the job, it’s best to seek the help of a professional.

What is the strongest filler for plastic bumpers?

The strongest filler for plastic bumpers is typically a two-part epoxy adhesive. Epoxy adhesives are known for their superior bonding strength, durability, and resistance to impact, making them a popular choice for repairing plastic bumpers. When selecting an epoxy adhesive for repairing plastic bumpers, it's important to choose one that is specifically designed for use on plastics. These types of adhesives typically have a longer curing time and are formulated to bond with the unique properties of plastic materials. Additionally, it's important to properly prepare the surface of the bumper before applying the adhesive to ensure a strong bond. This may include cleaning the surface, sanding or scuffing the area, and using a plastic adhesion promoter to enhance the bond.

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