During the injection molding process, the TPV material is subjected to high shear forces, which may lead to degradation of the material. Thus, it is essential to ensure that the molding conditions, such as temperature, pressure, and cycle time, are optimized for TPV processing to prevent degradation and achieve high-quality parts.
Once the part has been molded, it undergoes surface treatment to improve its adhesion properties. The surface of the part is first cleaned using a solvent. Then, a promoter is applied to the surface, which enhances the adhesion of the part to the paint or adhesive.
In conclusion, TPV is a versatile material that is used in many automotive applications, including bumper covers. To achieve high-quality parts, the processing conditions and surface treatment must be optimized for TPV. The use of TPV on automotive parts, such as bumper covers, ensures that the final product is durable, impact-resistant, and long-lasting.
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