what grit sandpaper to use when painting a car

What Grit Sandpaper to Use When Painting a Car?

Today, we have different grit sandpaper to use when painting a car. Grit sandpaper is a combination of an abrasive substance with strong backing paper. Interestingly, they are used for various purposes, such as paint removal, sanding, and rust removal.

The sandpaper is simply a sheet that is coated with either sand or abrasive particle. If you are thinking of painting irrespective of the surface, you will need sandpaper to smoothen the surface.

However, in using it for removing paint in your car, the choice of sandpaper will determine the quality of the job.

We typically have various types of grit sandpaper, and in this article; you will learn the particular grit to use for your car when you want to remove the paint.

So if you’re wondering what grit sandpaper to use when painting a car, this article is for you.

What Grit Sandpaper to Use When Painting a Car

what grit sandpaper to use when painting a car
professional repairman worker in automotive industry sanding plastic body car bumper

Now, below are the best grit sandpapers to use when painting a car:

1. Coarse Sandpaper

This type of sandpaper comes in grades ranging from P40 to P80 and used, especially when you want to remove thick paint layers. Furthermore, you can get an optimal outcome when you combine it with a power sander.

The best time to use this sandpaper is when you have had an initial inspection of the particular wall and convinced that you to go through various coats of primer, paint, and finishes.

Though this task can be completed using paint stripper, the accuracy of using your hand to sand requires little taping and takes away the issue of messing up the area.

When using this particular sandpaper, it is crucial to be cautious because it tends to destroy the underlying surface of the wall while creating significant marks on softer materials like wood.

Therefore, you must adhere to the product instructions while putting on protective gear for the job.

2. Medium Coarse Sandpaper

The grade for the medium coarse sandpaper ranges from P80 to P180 and provides a decent paint removal to avoid the destruction of the underlying surface of the wall.

The best situation to use this grit is when the surface comprises of a sophisticated design. This will help in protecting the carved design under the paint.

3. Medium Sandpaper

This particular sandpaper is within the grade of P180 and P500. Although the sandpaper is not effective in removing paint on the surface, it does eliminate most of the paint.

They are best used in a situation where the paint is already chipped on the surface of the car. Importantly, they don’t get the job correctly done so; you should consider this during your painting project.

There are other types of grit sandpaper to use when you want to remove paint on your car. These include the fine and very fine sandpaper. The former has a grade, which ranges from P500 to P1200 whereas the latter is graded between P1200 and upward.

The fine grade sandpaper is mostly used when you want to remove leftover paint on the surface. Finally, we have the latest sandpaper, which is a liquid sandpaper. They are the newest sandpaper in the market and contain a mixture of chemicals.

What grit sandpaper do you use after painting a car?

1000 to 1200 Grit – When you need to remove base coat imperfections, this grit range will do the job. Be sure to use the wet sanding technique for best results. 1500 to 2000 Grit – When you need to smooth out surface imperfections and scratches before and after applying the clear coat, this is the grit range to use.

What grit sandpaper do you use after painting a car

What is 2000 grit sandpaper used for?

1,500 – 2,000 Grit

1,500 grit and 2,000 grit are used to sand the clear coat. Both grits are great for removing light clear coat scratches that can’t be removed by rubbing compound and buffing. Use 2,000 grit for final sanding to achieve smooth surface.

Should I sand between coats of paint on car?

For most types of car paint, you should wait about 15 to 20 minutes between coats. Also, between primer and paint applications, you should wet sand the vehicle with a 1000 – 1200 grit piece of sandpaper. This will make spraying the vehicle much easier and allow you to use less paint to cover the car.

What is the difference between 80 grit 120 grit and 240 grit sandpaper?

The larger the grit size, the more edges there are and the smoother the sandpaper. For heavy sanding and stripping, you need coarse sandpaper measuring 40- to 60-grit; for smoothing surfaces and removing small imperfections, choose 80- to 120-grit sandpaper.

What is 7000 grit sandpaper used for?

Perfect for sanding metals and automotive finishes. Made with Silicon Carbide grain which retains its sharpness throughout its sanding life. Excellent flexibility of soaked material.

What grit sandpaper do you use after primer?

The goal of sanding wood that has a primer on it is to smooth down the grain that has risen while still leaving the primer intact so you do not lose the added adhesion that the primer will provide for the top coat. To sand wood with a primer on it you should consider finer grit sandpaper (like 220 grit sandpaper).

What grit sandpaper should I use before clear coat?

You should paint over 400-grit. That is an excellent grit to paint your base coat and clear coat over, including enamels or anything else that you’re doing. You can actually go even coarser if you’re doing a single-stage enamel. Some people even paint over 280 grit-sanded surfaces.

What is 80 grit sandpaper used for?

rough sanding
40 – 80 Grit: Coarse. 40 to 80 grit is used for heavy or rough sanding and to help remove scratches or imperfections. While it is okay to be abrasive, take your time when using low-grit sandpaper because it may show noticeable scratches or swirls in the wood.

What is 400 grit sandpaper used for?

320 to 400 Grit Sandpaper: Very fine grit sandpaper is used for light sanding between coats of finish and to sand metal and other hard surfaces.

Is the grit 220 fine?

Fine sandpapers range from 120- to 220-grit. Extra fine sandpaper is often used between coats of paint or varnish. Grits of 240, 320 and 400 are termed very fine, while extra- or superfine sheets with grits of up to 600 are best-suited for polishing jobs.

Should you wet sand between clear coats?

Sanding between layers of clearcoat is also not recommended. Wet sanding and polishing the final layer will yield a better result than doing it between each coat. Clearcoat layers are also thinner than they look. Even though it may feel dry to the touch it may be a little gummy and sanding it can ruin the job.

Do you sand before clear coat?

Wet-sand the base coat before starting the clear coat. Wet sanding makes the surfaces smoother. It is often a step in polishing cars and other items.

Best Grit Sandpaper for Cars | Conclusion

Irrespective of the particular grit sandpaper you want to use, the overall success lies in your preparation. Therefore, to achieve a perfect finish, it is essential to sand the surface.

The importance of sanding is to enable you to remove any imperfections on the surface while creating the best finishing to the surface. With the right grit sandpaper, you can attain the best result.

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