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5) Check whether the products have cutting defects;

1. Protection Against Elements One of the primary functions of weather stripping is to keep out rain, snow, and wind. When seals are intact, they create a barrier that protects the car's interior from moisture, which can lead to rust and mildew. This is especially critical in regions that experience harsh weather conditions.

1. Compatibility Ensure that EPDM is suited for the chemicals and conditions it will encounter in its application.

8) Mold mark: in the process of making or using the mold, the concave limit or convex of the corresponding surface of the product is caused by the bump and scratch of the mold cavity (the defects of the products with the same mold cavity are the same);

A well-functioning gasket seal is essential for several reasons. Firstly, it maintains the interior climate by keeping the air conditioning or heating system efficient. If the seal is compromised, outside air can seep into the vehicle, making it harder to maintain the desired temperature and causing the HVAC system to work overtime, leading to potential overheating or excessive wear.

The rubber used for these seals is typically ethylene propylene diene monomer (EPDM), a synthetic rubber known for its excellent weather resistance, flexibility, and durability. EPDM performs well in extreme temperatures, from freezing cold to sweltering heat, making it an ideal choice for automotive applications. Moreover, the material is resistant to ozone and UV light, which can cause deterioration over time.

Conclusion