What is what to do when rubber turns sticky?

When rubber turns sticky, it's usually due to a process called plasticizer migration or degradation of the rubber polymer itself. Here's what you can do:

  • Identify the Cause: Before attempting to fix the stickiness, try to determine the cause. Is it old age, exposure to heat or sunlight, or contact with certain chemicals? This will influence the best course of action.

  • Cleaning:

    • Gentle Cleaning: Start with a mild soap and water solution. Gently scrub the sticky surface with a soft cloth or sponge. Rinse thoroughly and allow to air dry.
    • Isopropyl Alcohol: If soap and water don't work, try using isopropyl alcohol (rubbing alcohol). Test a small, inconspicuous area first to ensure it doesn't damage the rubber. Gently wipe the sticky area with a cloth dampened with alcohol.
  • Protective Coatings:

    • Armor All or Similar Protectants: These products can help to protect the rubber from further degradation and may reduce stickiness temporarily. Apply according to the product instructions.
    • Talcum Powder or Cornstarch: Lightly dusting the rubber with talcum powder or cornstarch can absorb some of the stickiness.
  • Consider Replacement: If the stickiness is severe and cleaning/protective measures are ineffective, the rubber may be too far degraded. In this case, replacing the item is often the best solution.

  • Prevention: To prevent rubber from becoming sticky in the future:

    • Store Rubber Properly: Keep rubber items away from direct sunlight, heat, and humidity.
    • Avoid Contact with Harsh Chemicals: Many solvents, oils, and cleaning products can accelerate rubber degradation.
    • Regular Cleaning: Clean rubber items regularly with mild soap and water to remove dirt and grime.