Is there platinum in the spark plug?Spark plug extraction method of platinum

Spark plugs are made of different materials, and platinum spark plugs do contain platinum. Platinum is a naturally occurring white precious metal. Compared with other ordinary spark plugs, platinum spark plugs have higher corrosion resistance, reduce the heat absorption and flame suppression effects of the electrode, enhance the spark energy, and make the combustion more complete. Platinum spark plugs are suitable for cold start, and their service life is 5 times that of ordinary spark plugs.

Now that there is platinum, some people wonder whether platinum can be extracted through spark plugs. In fact, there is very little platinum in spark plugs. Some people have conducted experiments abroad, and dozens of spark plugs finally extracted 40 mg of platinum, which is about 2 mg per spark plug. Friends who are interested in platinum extraction methods can click on the video to learn more.

How to distinguish spark plugs of different materials:

1. Nickel-copper—replacement cycle: 20,000-30,000 kilometers

The thick lower pin of the spark plug is the most obvious feature of nickel-copper spark plugs.

2. Single platinum-replacement cycle: 30,000-40,000 kilometers

The lower pin of the spark plug is thick, and there is no special material at the upper corner and the pin opposite.

3. Double platinum-replacement cycle: 40,000-50,000 kilometers

The lower pin of the spark plug is thicker, and there is a small platinum metal patch on the upper corner opposite to the pin.

4. Single iridium-replacement cycle: 50,000 kilometers

The lower pin of the spark plug is thin, and there is no special material for the upper corner and the pin opposite.

5. Iridium and platinum-replacement cycle: 50,000-60,000 kilometers

The lower pin of the spark plug is thin, and there is a small platinum metal patch on the upper corner opposite to the pin.

6. Double iridium-replacement cycle: 60,000-80,000 kilometers

The lower pin of the spark plug is thinner, and there is a small tip at the upper corner opposite to the pin.