How to choose a spray gun for liquid rubber?

When applying liquid rubber, selecting the appropriate spray gun can have a big impact on the final product’s ease of use and quality. Liquid rubber is a multipurpose material that can be used for anything from custom car finishes to waterproofing roofs. Using a spray gun that is appropriate for the unique properties of liquid rubber is crucial to getting a smooth, even coat.

Think about the kind of projects you’ll be working on and the level of detail required when choosing a spray gun. The degree of control offered by various spray guns can affect the accuracy and quality of your work. For example, a spray gun with a wider nozzle may be more advantageous for larger surfaces, and a gun with finer spray capabilities may be necessary for intricate jobs.

Other important considerations are the spray gun’s material and construction quality. The spray gun is made of sturdy materials that can handle the viscosity of liquid rubber and endure repeated use, such as premium plastic or stainless steel. Furthermore, cleaning simplicity is crucial because liquid rubber that has dried inside the gun can become sticky and challenging to remove.

The pressure and flow settings of the spray gun should also be taken into account. You can customize the coating thickness and spray pattern to suit various projects thanks to adjustable settings. For liquid rubber applications, high-volume low-pressure (HVLP) spray guns are especially well-liked since they minimize waste and overspray while producing a smooth finish.

Lastly, consider how well the spray gun works with the tools you already have. To ensure that your spray gun operates properly, make sure your hoses and compressor are compatible. Selecting the appropriate spray gun with care will enhance the final product’s quality and facilitate a more efficient and pleasurable application process.


You should first choose which kinds of spray guns are most common. They can be broadly categorized as electric, pump-out, or air. Each and every handgun has a specific function, and using one for no reason will not produce the desired outcomes.

Modern option

Electric pistols are not at all appropriate for professional work with cars; they are only suitable for staining walls or fences. When using such spollets, you will quickly notice that the rubber paint shooting out of the nozzle resembles a drop of colored rain rather than aerosol because the Duza is too large. The pressure is low enough for the rubber to adhere to the surface rather than bounce off it, but it jumps constantly, making it impossible to paint the surface qualitatively.

However, there are also respectable electrical spray gun models that can perform this task at a four out of five. A really good unit will cost a very high price, and the average price model will maximize the orange crust effect. One of the main advantages of electrical pistols is their portability. All you have to do to get started is locate a socket and fill it with material.


By today’s standards, pompom sparks are totally inappropriate for painting. It is inconvenient to have to manually pump pressure into the tank with a liquid in order to spray anything from such a device. These days, their sole purpose is to whitewash walls in homes.

Should you still possess such a device, you might be able to give it a second chance at life by using it as a pesticide.

Old school

Lastly, the leader is a standard spray that sprays using air under pressure. There are drawbacks: a pistol of this kind needs a compressor, a lot of room, and a substantial amount of money, all of which will soon pay for themselves if you decide to make a business out of it. This was the end of the spray gun’s drawbacks.

Because of the air pistols’ excellent torch, you can apply rubber in a nice, even layer. You can adjust the pressure and apply any type of paint. Spraying liquid rubber will ultimately result in a layer that is the perfect thickness for a car—70 microns. If you have prior experience with these kinds of tasks, there won’t be any material overflow.

What to choose

Applying liquid rubber to the surface requires a specific amount of pressure because it is highly erratic. An air gun or an extremely costly electric spray gun can handle this kind of work. Of course, an ordinary gun leads in painting quality, but it’s not always possible to highlight a compressor location, without which this gun, regrettably, will not paint at all. Furthermore, this design has very little mobility. The only thing left to figure out is how to buy an electric model.

To ensure a smooth and even application, selecting the appropriate spray gun for liquid rubber necessitates taking into account a number of important factors. To attain a uniform coat, start by choosing a gun with pressure settings that can be adjusted and a nozzle made for thicker materials. If you plan to work on longer projects, look for a model with an ergonomic design. Because liquid rubber can be very sticky, you should also make sure the spray gun is easy to clean and compatible with your air compressor. You can choose a spray gun that gives your project a polished look and increases ease and efficiency by paying attention to these factors.


If you decide to purchase an electric handgun, there are a number of things to consider when making your purchase, but the features of the weapon should be your primary focus. Both you and your clients will be let down by a weak remote control.

To whom payment should be made:

  1. Power. The face value of electric models, which will subsequently be used to paint cars with liquid rubber, should not be below 600 watts. The unit with lower power is not able to achieve the smoothness of the coating.
  2. Performance. So that the rubber is well applied to the surface, it must fly out of the nozzle with a sufficient speed. Therefore, do not take an electric model with a capacity below 1.1 liters per minute. Otherwise, 30 micron thickness is the maximum result.
  3. Ease of use. The gun should be easy and practical. It will be better if you choose one -handed models. Two -handed are quite heavy, and it will be physically difficult to paint them for a long time.
  4. Volume of the tank. If the paint is sprayed at a speed of 1.1 liters per minute, then the tank should be of enough volume of at least 0.5 liters and at a maximum of 1 liter. If the tank is smaller, then you will fill a new portion of rubber longer, and with a larger volume we return to paragraph 3.

Feature Description
Nozzle Size Choose a spray gun with a larger nozzle (1.7-2.5mm) for liquid rubber to ensure smooth application.
Pressure Control Opt for a gun with adjustable pressure settings to control the spray pattern and thickness.
Material Compatibility Ensure the spray gun materials are resistant to solvents found in liquid rubber.
Ease of Cleaning Look for a spray gun that can be easily disassembled and cleaned to prevent clogging.
Air Consumption Check the air consumption requirements to match it with your air compressor"s capacity.
Weight and Comfort Choose a lightweight and ergonomic spray gun to reduce fatigue during use.

The quality and simplicity of your project can be greatly impacted by selecting the appropriate spray gun for liquid rubber. You can make sure that every application runs smoothly and evenly by knowing the essential features to search for. Seek out a spray gun that is made especially to be used with liquid rubber; these will have the right pressure and nozzle sizes.

Examine the spray gun’s dimensions and adjusting capabilities. Adjustable settings are essential for controlling the spray pattern and flow rate of a high-quality spray gun. You can easily manage various surfaces and project requirements thanks to this flexibility. Furthermore, a lightweight, ergonomic spray gun can help you work more comfortably and efficiently by reducing fatigue during lengthy projects.

Cleaning and maintenance are also essential components. Because liquid rubber can be sticky and challenging to remove, choose a spray gun that is simple to assemble and clean. Your spray gun’s lifespan can be increased and optimal performance can be guaranteed with regular maintenance.

Finally, think about how well the spray gun works with the tools you already have. Make sure it functions properly with other tools and your air compressor. You can achieve a professional finish on your liquid rubber projects and experience a smoother, more efficient workflow by taking the time to select the appropriate spray gun.

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Maria Vlasova

Chemist-technologist, expert on paint and varnish materials. I will help you figure out the compositions of paints, their characteristics and choose the best option for your purposes.

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