Why Does Silicone Smell Sour? Understanding the Causes and Solutions

Discover why silicone can smell sour during curing and how to minimize odors effectively.

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Silicone smells sour due to the acetic acid released during the curing process. This vinegar-like odor is common in acetoxy-cure silicone sealants and usually dissipates as the silicone fully cures. Ensure good ventilation when applying to speed up the curing process and reduce the smell. If the odor persists beyond the curing period, it could be indicative of improper application or the need to use a different type of sealant.

FAQs & Answers

  1. What causes silicone to smell? Silicone smells due to acetic acid released during the curing process.
  2. How can I reduce the smell of silicone? Good ventilation during application can help dissipate the smell faster.
  3. Is a sour smell from silicone normal? Yes, a vinegar-like odor is common during the curing of acetoxy-cure silicone sealants.
  4. What should I do if the smell persists? If the odor continues beyond the curing period, consider checking the application method or switching to a different sealant.

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