What are the differences between platinum, iridium, and iridium-platinum spark plugs?
1 Answers
The differences between platinum, iridium, and iridium-platinum spark plugs are as follows: Different service life: Iridium spark plugs have a lifespan of 100,000 kilometers; platinum spark plugs last 50,000 to 80,000 kilometers; iridium-platinum spark plugs last 80,000 to 100,000 kilometers. Different fuel efficiency and power enhancement: Iridium-platinum and iridium spark plugs perform better than platinum spark plugs. Different electrode materials: Both iridium and platinum are rare metals with higher melting points, allowing them to maintain stable working conditions under the high temperatures generated by discharge and combustion. However, there are significant differences between iridium and platinum spark plugs. Different melting points: Due to the higher melting point of iridium, the center electrode of iridium spark plugs can be made thinner, requiring lower ignition voltage and improving discharge performance. Platinum has a lower melting point than iridium, but under normal conditions, platinum spark plugs can also deliver excellent performance and are designed for stable performance, with a typical lifespan of up to 100,000 kilometers. Different hardness: Iridium is much harder than platinum, so iridium spark plugs have higher durability and a longer lifespan compared to platinum spark plugs. Iridium spark plugs also ignite faster than platinum spark plugs, resulting in better acceleration for engines equipped with iridium spark plugs. Different costs: Iridium spark plugs are more expensive due to higher production costs. Under normal conditions, platinum spark plugs offer a significant advantage in terms of cost-effectiveness. While iridium spark plugs outperform platinum spark plugs in overall performance, platinum spark plugs have a notable advantage in cost-effectiveness.
