Can Damaged PU Coated Silicone Buttons be Repaired?

09 Nov, 2023

By hqt

Ever spilled something on your favorite remote and noticed how the buttons seemed to lose their smooth finish? Or maybe you’ve found a minor scratch or cut on your device’s silicone button? Let’s dive deep and explore the world of PU coated silicone buttons and the potential for their repair.

What is PU Coating?

PU or polyurethane coating is a protective film often applied to a variety of materials, including silicone buttons, to enhance their durability and aesthetics.

Benefits of PU Coating on Silicone Buttons

Ever wondered why those buttons feel so smooth and glossy? Well, PU coating plays a major role. It not only offers a shiny finish but also protects the silicone material underneath from external damages like UV rays, spills, and abrasions.

How PU Coating Works with Silicone

When PU is applied to silicone, it bonds with the silicone material to form a protective barrier. This combination makes the buttons resistant to environmental factors while still maintaining the flexibility and tactile feel of silicone.

Common Damages with PU Coated Buttons

Despite their protective nature, PU coated silicone buttons are not invincible.

Wear and Tear

Over time, like all things, the PU coating might start showing signs of wear. This might be evident in the form of dullness or minor surface scratches.

Accidental Scratches or Cuts

Sharp objects, pet claws, or even rough handling can lead to deeper scratches or even cuts on the button surface.

Environmental Damages

Extended exposure to sunlight or chemicals can cause discoloration or weakening of the PU coating.

Steps to Repair Damaged PU Coated Silicone Buttons

Before you toss that remote or controller, consider the possibility of repair!

Assessing the Damage

First and foremost, understand the extent of the damage. Is it a minor scratch or a deep cut? The type of damage will determine the repair approach.

Cleaning the Affected Area

Before any repair, clean the damaged area with a mild detergent to remove any dirt or oils. This ensures better adhesion during the repair process.

The Repair Process

For minor scratches, a clear silicone sealant can be used. Apply a tiny amount on the scratch and smooth it out with a spatula. Allow it to dry and cure according to the product’s instructions.

Testing the Repair

Once the repair has been done and the sealant has cured, test the button to ensure it functions properly and feels right to touch.

When Replacement is a Better Option

Not all damages can or should be repaired.

Cost vs. Benefit of Repair

Sometimes, the cost of repair might outweigh the benefits, especially for cheap items. In such cases, replacement could be a more viable option.

Severity of the Damage

Deep cuts or extensive damages might compromise the functionality of the button, making replacement the only option.


To answer the burning question – Yes, damaged PU coated silicone buttons can be repaired to some extent. However, the feasibility of the repair largely depends on the nature and severity of the damage. While minor damages can be easily rectified, extensive damages might call for a replacement. Always weigh the pros and cons before deciding.


  1. Can any silicone sealant be used for repairing PU coated buttons?
    • It’s best to use a clear silicone sealant that’s compatible with PU coatings.
  2. How long does the repair process usually take?
    • Depending on the sealant used, it might take a few hours to a day for the repair to fully cure.
  3. Is there any DIY repair kit available for such repairs?
    • While there are generic silicone repair kits available, it’s essential to ensure they’re compatible with PU coatings.
  4. Can I prevent damages to my PU coated silicone buttons?
    • Regular cleaning, avoiding sharp objects, and protecting the buttons from extended UV exposure can help prolong their life.
  5. Is the repaired area as durable as the original?

While the repair can restore the button’s functionality and aesthetics, it might not be as durable as the original coating. Regular care is advised.


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