What material is better for car buckles?

It is better to use plastic material for car buckles.

In automobile manufacturing, plastic buckles account for more than 70%, while metal buckles account for less than 30%. ‌The difference in this ratio is mainly due to the multiple advantages of plastic buckles. ‌First, the density of plastic buckles is much lower than that of metal. Although it is difficult to detect with the naked eye, this difference is particularly obvious in automobile manufacturing where buckles are used in large quantities. ‌If all these buckles are made of metal materials, the total amount will reach several kilograms, while the use of plastic materials will reduce the weight and effectively reduce the overall weight of the car.

Secondly, the molding process of plastic buckles is relatively simple, usually using one-time injection molding, while metal buckles need to go through complex machining and surface treatment processes such as cutting, punching, and bending. ‌With the advancement of technology, modern plastic buckles have also added noise reduction designs, such as using double-shot injection molded EPDM materials as a buffer layer, which further improves the performance of plastic buckles.

In terms of cost, plastic buckles are also more advantageous. ‌Due to its simple manufacturing process, low processing costs, and the cost of plastic materials itself is lower than that of metal materials, it performs better in cost control.

In addition, plastic buckles are more environmentally friendly. ‌Plastic materials have good corrosion resistance and do not require additional surface treatment, while metal buckles are easily corroded by rust and oil and chemical reagents in the automotive environment, and require strict surface treatment. ‌Plastic buckles also have excellent insulation properties, especially when it comes to connecting electrical components, making them an ideal choice. ‌At the same time, plastic buckles have good toughness and are not prone to abnormal noise, which improves the overall quality of the car. ‌In areas involving collision collapse or airbag explosion, plastic buckles are the first choice due to their lower cross-sectional damage. ‌During repeated assembly, plastic buckles cause less damage to the opponent and can better ensure the strength of the opponent.

To sum up, although metal buckles still have application value in certain specific occasions, considering factors such as cost, process, environmental protection and performance, plastic buckles have more advantages in automobile manufacturing.