Automotive - Valve cover
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Product Description
The selection of materials for automotive valve covers needs to consider multiple factors, including heat resistance, chemical resistance, impact resistance, sealing performance, noise and vibration performance (NVH), and cost-effectiveness. According to the search results, the following are some key points about selecting materials for automotive valve covers:
Heat resistance: The valve cover material must be able to maintain performance at high temperatures, typically requiring sealing ability at temperatures up to 150 degrees Celsius.
Chemical resistance: The material must have good chemical resistance and be able to resist the erosion of engine oil, transmission lubricant, grease and its coolant, etc.
Impact resistance: The valve cover must be able to resist various impacts, such as mechanical tool impacts, etc.
Noise and Vibration Performance (NVH): The NVH performance of plastic valve covers must be superior to existing metal valve cover products.
Material selection: Thermoplastic is widely used due to its weight reduction, cost-effectiveness, modular design, and excellent recycling and processing performance. For example, PA66+35% GF (glass fiber) can provide high rigidity, while PA66+30% GF+15Mineral can provide low warpage performance.
Key words：
Automotive - Valve cover
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