Chloe Zhang
Brake cleaner is a powerful tool for maintaining the longevity and performance of your car's braking system. However, it is important to exercise caution when using it on certain materials. While it is effective on raw metal or painted metal, it can cause damage to plastic, polymer, and painted surfaces. In this article, we will explore the potential risks and alternatives to using brake cleaner on these materials, ensuring that you can make an informed decision when it comes to maintaining and cleaning your vehicle.
Is brake cleaner safe on plastic, polymer and paint?
| Characteristics | Values |
|---|---|
| Safe on plastic | No, it can cause deformation, make the plastic brittle, or melt the plastic. |
| Safe on polymer | No, it can degrade the chemical structure, making it weaker or brittle. |
| Safe on paint | No, it can bubble up paint. |
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What You'll Learn
Chlorinated brake cleaner can damage plastic
Chlorinated brake cleaner is a powerful cleaning agent that contains chlorinated atoms or solvents within its molecular structure. These chemicals enhance the solvent properties of the product, making it extremely effective at dissolving brake fluid, dust, grease, motor oil, and other contaminants found on metal brake parts. However, this potency comes at a cost: chlorinated brake cleaner can be highly damaging to plastic components.
The chemicals in chlorinated brake cleaner can cause various adverse reactions in plastic, depending on the specific type of plastic. Some plastics may dissolve completely when exposed to chlorinated brake cleaner, while others may become sticky or brittle. In some cases, the plastic may only be affected over time, with repeated applications causing gradual degradation and weakening of the material.
For example, a study on the effects of brake cleaner on an ABS/polycarbonate (plastic) alloy material (Cycoloy 6200) found that the cleaner was "deadly" to the plastic. Additionally, users have reported that chlorinated brake cleaner has damaged or dissolved certain plastics, causing deformation or a solvent-like reaction.
To avoid potential damage, it is generally recommended to avoid using chlorinated brake cleaner on plastic surfaces. Instead, opt for non-chlorinated alternatives or specific plastic-safe cleaning products like ZEP Power House, which is designed for plastic components. Testing on a small, inconspicuous area first is always advisable to ensure the plastic does not negatively react to the cleaner.
Furthermore, chlorinated brake cleaner is not recommended for cleaning metal parts that will be welded, as it may create toxic fumes, including the deadly chemical phosgene gas. This gas has been used as a military weapon, emphasizing the serious health risks associated with its exposure.
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Non-chlorinated brake cleaner is safer on plastic
Brake cleaner is a powerful tool to maintain the longevity and performance of your car's braking system. However, it is important to be cautious when using it on certain materials, especially plastic, polymers, and paint. While some sources suggest avoiding these materials altogether when using brake cleaner, others recommend using non-chlorinated brake cleaner as a safer alternative.
Non-chlorinated brake cleaner is considered a safer option on plastic compared to its chlorinated counterpart. Chlorinated brake cleaner is known to be harsh on plastics and can cause damage, including deformation, cracks, and brittleness. On the other hand, non-chlorinated brake cleaner is less aggressive and has been reported to be safe on certain plastics. It is important to note that even non-chlorinated brake cleaner can still react with plastic surfaces, so it is advisable to test it on a small area first.
Some brake cleaners contain solvents like acetone, which can degrade the chemical structure of plastics over time, making them weaker or more brittle. However, non-chlorinated brake cleaners are formulated without these harsh solvents, making them a better choice for plastic components. This is especially relevant for gun parts, where some plastics are highly resistant to acetone and similar solvents found in brake cleaners.
In addition to the type of brake cleaner, the type of plastic also plays a role in its compatibility. For example, fluoronated polymers are known to tolerate tetrachloroethylene, a common ingredient in brake cleaners. On the other hand, polyethylene is listed as "immediate damage" when exposed to this chemical. Therefore, it is crucial to have a basic understanding of the plastics you are working with and their compatibility with specific brake cleaners.
While non-chlorinated brake cleaner is generally safer on plastic, it is always recommended to exercise caution and perform a small test area first. Additionally, it is important to follow instructions and take the necessary precautions when using any chemical product, including wearing protective gear and ensuring proper ventilation.
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Brake cleaner can cause paint to bubble
Brake cleaner is a powerful solvent used to clean and degrease brake parts. It is important to note that not all brake cleaners are created equal, and different types can have varying effects on different materials. While some sources claim that non-chlorinated brake cleaner is safe to use on plastics, others suggest that it may still react with plastic and rubber surfaces, causing them to become brittle or swell.
One user on the 1911Forum shared their experience, stating that they conducted a study on the effects of brake cleaner on an ABS/polycarbonate (plastic) alloy material (Cycoloy 6200) and found that it was "deadly" to the plastic. Similarly, another user on the Practical Machinist forum reported that CRC brake cleaner bubbled up paint that had been dried for ten years or more, indicating that it could potentially attack some plastics as well.
The potential for damage to paint and plastic surfaces underscores the importance of testing brake cleaners on a small area first before applying them more broadly. This is especially important given the variety of materials that may be present in a given application, such as rubber, plastic, acrylic, and painted metal.
In addition to the potential for damage to paint and plastic, brake cleaner can also be dangerous if used in conjunction with welding. The old chlorinated formulation of CRC brake cleaner, in particular, has been noted to create a dangerous gas when used with welding. Thus, it is crucial to consider not only the surface being cleaned but also any subsequent processes that may be performed.
To avoid potential damage to paint and plastic surfaces, it is recommended to use alternative cleaning methods or products specifically designed for these materials. For example, a concentrated degreaser like Simple Green or Greased Lightning can effectively clean surfaces without causing harm to plastics or rubbers. Additionally, a product like Engine Brite Original, combined with scrubbing and rinsing, can be a safe and effective alternative to brake cleaner.
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Brake cleaner can cause plastic to become brittle
Brake cleaner is a powerful tool to maintain the longevity and performance of your car's braking system. However, it is important to exercise caution when using it on certain materials, especially plastics. While some sources suggest that non-chlorinated brake cleaner is safe to use on plastics, others have reported deformation, melting, and brittleness after using brake cleaner on plastic components.
In forums, users have reported that brake cleaner can cause plastic to become brittle or crack. One user observed white lines on their plastic brake fluid reservoir after using brake cleaner, indicating potential damage to the plastic. Another user shared a similar experience, noticing that their plastic reservoir had become "crazed" or developed fine stress cracks. These cracks can compromise the integrity of the reservoir, leading to potential safety hazards while driving.
The chemical composition of brake cleaner, specifically the presence of solvents like acetone, can interact with the chemical structure of plastics. Over time, this can lead to degradation, making the plastic weaker and more brittle. This degradation may not be immediate, but repeated applications of brake cleaner can accelerate the process.
To avoid potential damage to plastic components, it is recommended to test brake cleaner on a small, inconspicuous area first. Alternative cleaning solutions, such as engine degreasers or dish soap, can also be considered to minimize the risk of harming plastic surfaces. It is crucial to prioritize safety and consult reliable sources when working with powerful cleaning agents like brake cleaner.
In summary, brake cleaner has the potential to cause plastic to become brittle or damaged. While non-chlorinated variants are generally considered safer, it is always advisable to exercise caution and test on a small area before proceeding with cleaning. By taking the necessary precautions, you can maintain the integrity of plastic components while still benefiting from the effectiveness of brake cleaner in appropriate applications.
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Brake cleaner can be used to remove decal adhesive from plastic
It is not advisable to use brake cleaner on plastic. While some sources claim that non-chlorinated brake cleaner is safe to use on plastics, others argue that it may still degrade the chemical structure of the plastic over time, causing it to become weaker or brittle. Additionally, it is difficult to know the exact type of plastic you are dealing with, and brake cleaner can cause deformation or melting of certain plastics.
However, brake cleaner can be used to remove decal adhesive from surfaces like metal. It is important to note that brake cleaner is not the only option for removing decal adhesive, and other products like 3M Adhesive Remover, Goo Gone, or WD-40 are also effective and may be safer for use on plastic surfaces. When using any chemical product, it is always recommended to test it on a small area first to ensure it does not cause any damage.
If you are working with plastic surfaces, it is recommended to use a heat gun or blow dryer on low heat to remove the decal. This method is effective in melting the adhesive without damaging the plastic. Once the decal is removed, you can use a soft rag to clean the surface.
Additionally, some forum users have suggested using a 3M eraser wheel or a green Scotch-Brite pad to remove the remaining adhesive. These tools can be attached to a drill to make the process faster and more efficient. Overall, it is important to prioritize the safety of the surface you are working on and choose the appropriate method or product for decal removal.
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Frequently asked questions
No, it is not safe to use brake cleaner on plastic. It can cause the plastic to become brittle or melt it.
Brake cleaner is not safe on polymers. It can degrade the chemical structure, causing the polymer to become weaker or brittle.
There are mixed reviews on the safety of non-chlorinated brake cleaner on plastic. Some sources say it is safe, while others recommend testing it on a small area first as it may still react with the plastic.
No, brake cleaner is not safe on paint. It will bubble up dried paint and can also create a dangerous gas if used on anything that will be welded.
Yes, there are several alternatives that are safer to use on these surfaces. These include engine degreaser, dish soap, and mineral spirits.
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