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Unbalanced mechanical seals, in contrast to their balanced counterparts, have a pressure differential that exerts more force on one of the sealing faces. While they can handle lower pressures, their design often makes them simpler and less costly than balanced seals. These seals are typically used in applications with lower rotational speeds and where the pressure differential is manageable. They are common in industries such as wastewater treatment, where the operating conditions are not as extreme.

5. Bulb Weather Stripping This type features a hollow rubber bulb and is usually effective for exterior doors. It compresses tightly when the door closes, preventing drafts and moisture.

- Material Compatibility Ensure the adhesive is suitable for the material of your weather stripping. For instance, some adhesives work better with rubber, while others are explicitly formulated for use on plastic or metal surfaces.

The effectiveness of rubber door seals depends significantly on the materials used and the design of the seal itself. Modern automotive manufacturers typically use high-quality synthetic rubber that exhibits excellent durability and resistance to wear and tear. Over time, environmental factors such as UV rays, extreme temperatures, and ozone exposure can degrade rubber. Therefore, manufacturers continuously innovate and test new formulations to enhance longevity and performance.