How To Keep Rubber From Dry Rotting Work Guide

| Cause | Mechanism | |-------|-----------| | Ozone | Attacks double bonds in rubber (especially natural rubber, nitrile, SBR). Causes surface cracks perpendicular to stress. | | UV Light | Breaks carbon-carbon bonds, generates free radicals, leads to surface chalking and cracking. | | Heat | Accelerates oxidation and volatilizes protective plasticizers (Arrhenius behavior: rate ~doubles per 10°C rise). | | Humidity extremes | High humidity can leach antioxidants; low humidity accelerates plasticizer loss. | | Stretching/Stress | Opens microscopic cracks for ozone to penetrate deeper. |

Few things are as frustrating as reaching for your favorite pair of boots, checking your car’s tires, or unrolling a garden hose—only to find it covered in a web of fine, ugly cracks. That’s dry rot. how to keep rubber from dry rotting work

The term is a bit of a misnomer. Rubber doesn’t truly “rot” like wood or food. Instead, it undergoes oxidation. Over time, exposure to ozone, UV light, heat, and humidity breaks down the polymer chains in the rubber. The plasticizers (the oils that keep rubber soft) evaporate, leaving behind a brittle, shrunken, cracked mess. | Cause | Mechanism | |-------|-----------| | Ozone

The good news? You can dramatically extend the life of rubber goods. You don’t need a lab or expensive tools—just a shift in storage habits and a few cheap supplies. | | Heat | Accelerates oxidation and volatilizes

Here is the definitive guide to stopping dry rot before it starts.

The following protocols should be implemented to prevent dry rot in working rubber components.

Tires are the hardest to preserve because they are filled with air (oxygen) and flex constantly.