Concerns about Rubber Rollers: Deterioration and Aging

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(1) Oxidative degradation due to ozone and others Rubber degraded by ozone develops distortions and cracks in the vertical direction. Ozone degradation occurs regardless of the color of the rubber. Measures to prevent ozone degradation include: 1. Aging inhibitors, wax 2. Avoiding stress 3. Not storing in areas with high ozone concentration, such as: - Near high-voltage currents - Areas exposed to direct sunlight - Clean rooms In particular, rubber materials with double bonds in the main chain are more prone to degradation such as cracking. To prevent ozone degradation, materials with ozone resistance can be used. Generally, butyl rubber and chloroprene rubber are suitable, but the ozone resistance can also be improved with other materials through formulation. (2) Chemical changes due to light, ultraviolet rays, and radiation When rubber undergoes chemical reactions with light, ultraviolet rays, or radiation, it can cause molecular-level breakage. This can lead to cracks on the rubber surface or decomposition resulting in stickiness. To prevent these issues, it is important to choose materials with excellent weather resistance and to pay attention to storage conditions. □ For more details, please refer to the catalog.

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