Best Primer For Plastic

If you are looking for the best primer to use on plastic furniture before giving it a paint job, then you really need to first consider using a primer spray.

The primer will definitely adhere to the plastic surface and help the paint stick better.

Any primer is also easy to apply. Note that you can use a basic primer spray that will not only help you get a good paint job but also protect your furniture.

Primers are great against moisture, dust, and other elements that can damage the surface of plastic furniture.

So if you’re looking for an effective primer for your plastic furniture, then you may well try one of the best ones described below.

#1. Dupli-Color Plastic Clear Adhesion Promoter – Best Primer Spray

If you are looking for the best primer for plastic, the Dupli-Color Adhesion Promoter is a great option.

It is a very easy-to-use spray applicator that works on all types of plastic.

It works like a charm on the auto body and is really great at covering uneven and curvy areas.

Also, it has a fast dry time and is very good value for your money.

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Do you need really need a special primer for plastic or can I just paint plastic?

Using a primer will help lay the foundation before painting your plastic. This is a critical process to follow. If you do not apply a primer, you can use the best paint for plastic or use any type of paint, your paint will start falling after a few months to a year.

That’s the reason why, when it comes to painting any plastic item, including those used for crafting and furniture, you need to use the right kind of primer.

I want to repeat this. Not just any kind of primer will do when it comes to getting the best results on plastic materials.

Primers are designed specifically for different types of surfaces. Applying a special primer that’s made of plastic is key in order to get a good bond between the surface and your chosen paint color.

Note that primers made especially for plastics often contain additives that help them adhere better than regular primers do.

These additives can also fill small cracks or scratches in the surface, making them less visible once you’ve finished painting.

All in all, the right primer can make all the difference when it comes to creating a beautiful finish on your plastic items.

Best Primer For Plastic


#1. Dupli-Color Plastic Clear Adhesion Promoter to use on plastic – Best overall

When it comes to the best primer for plastic, we think the Dupli-Color Adhesion Promoter really does a good job.

This is a clear primer that dramatically improves adhesion to plastic surfaces, especially to cars.

Perhaps its best feature is that it really just does a great job in adhering to uneven plastic surfaces, so it works great for auto bodies that have curves and shapes.

This is also a quick-drying primer that dries to the touch in only 20 minutes and is ready to be top-coated in just 1 hour.

And we like that it comes in a very easy to very aerosol spray can.

Our only issue with it is that it is such a thin primer that you may need to spray multiple times to get to your desired level of outcome.

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#2. Rust-Oleum Specialty Plastic Primer – Best brush-on

For those who are looking for the best primer for plastic, you should definitely take a look at the Rust-Oleum Specialty Plastic Primer.

This stuff is designed to adhere to hard to paint over surfaces.

We highly recommend getting this if you have any big paint projects to do around the house or on your car body.

You can buy in bulk and save on costs as well.

It really stands out in providing industrial strength top coat adhesion and durability. In terms of durability, we can’t think of another primer that will last as long as the Rust-Oleum, given you applied it right.

This stuff allows you to finish plastic with pretty much any color and to renew or change the color of plastic around your home.

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#3. SEM 38353 Plastic Prep before painting – Best budget

The SEM Plastic Prep is the best primer for plastic if you want something that looks great and creates this smooth glossy finish.

You can use this on different types of plastic around the house or on any car body or interiors with plastic. As a bonus, it is also formulated to work with leather.

But all that being said, its standout feature is that it is also a bit of a natural grease and mold remover.

This spray gets rid of fingerprints, wax, mold, grease, and any contaminants on your plastic.

So basically it primes your plastic surface for top coating without you having to go scrub it down first.

Also, this stuff doesn’t soften or distort the plastic.

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#4. Tamiya Primer – Use it before acrylic paint 

Next, we have the Tamiya Fine Surface Primer and it just works very well on ultra-fine surfaces, as the name implies.

Get this stuff if you have miniatures, plastic figures, or anything intricate that is plastic.

What we really like about the Tamiya Primer and what makes it stand out amongst the other is that it really does a great job of bonding to small spaces and cracks.

So it is perfect for high-level detailing work.

This primer is also very good at surface preparation as well as helping to even out paint flows. It is pretty durable and has excellent adhesion as well.

Finally, we must warn you that you should probably wear a mask when applying this stuff. It has some serious fumes and odor, which is its one big downside.

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#5. U-Pol Products Universal Adhesion Promoter

While U-Pol is certainly not a brand name that people think of when they are looking for primers for plastic, we think this product is seriously a hidden gem.

The U-Pol Universal Adhesion Promoter works extremely well on plastic surfaces including automobiles both interior and exterior.

It is very easy to apply and clean up and dries up quite quickly so that you can apply additional layers or a topcoat.

Finally, we think that it works very well on hard-to-reach cracks and tough painting surfaces for plastic.

Unfortunately at the time of writing, we found the product to be a bit pricey.

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FAQ on primers to get the best paint for plastic

The below are some of the questions and answers we get asked on primers.

What is a primer?

A primer is simply a preparatory coat of paint or sealer applied to surfaces before painting.

It is designed to provide a better bond between the surface and the paint. It also improves the durability and appearance of the finished painting project.

Primers are available in both water-based and oil-based varieties, with each type having its own advantages and disadvantages.

Water-based primers are easier to clean up and less likely to yellow over time, while oil-based primers provide better adhesion and more protection from moisture.

Primers should be chosen based on the type of material being painted, as some primers may not adhere properly to certain types of surfaces (like plastic).

Must the Primer be the Same Color as the Paint?

When it comes to painting, the primer is an important step in ensuring a good finish.

And while some people may think that the primer must be the same color as the paint, this is not necessarily true.

Primer can be used regardless of color, though it is best to use a similar shade when possible.

In most cases, a white primer will work just fine, even if the paint color is darker.

However, if you are using light-colored paint, then using a colored primer may help provide better coverage and better adhesion.

Ultimately, whether or not the primer should match the paint depends on what type of project you are doing and what kind of look you are trying to achieve.

Do you sand plastic before applying spray or brush-on primer?

The answer is a resounding yes.

Sanding is essential for making sure that the primer adheres to the surfaces of plastic goods and plastic miniatures.

So, before applying any brush-on primers or spray cans, the best way to prepare the surface is by lightly sanding the plastic with a fine grade of wet/dry sandpaper. A good paper to use would be 400-600 grit.

This will help create a smooth, even surface that will allow your primer and then paint job to shine through and last longer. B

y taking just a few extra moments in sanding before beginning your project, you’ll be able to achieve superior results when applying your final painting on plastic miniatures.


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