Using ruthenium electrodes is said to extend spark plug life by two times as compared to modern iridium electrodes and by eight times as compared to standard nickel electrodes. Spark plugs made of Ruthenium are the latest technological development. When it comes to durability, ruthenium plugs are great! According to NGK, Ruthenium’s lifespan is higher than spark plugs made from other materials, including the platinum families. When it comes to comparing ruthenium and iridium spark plugs, we can say that they both have differences, but also similarities.Īlthough they perform the same function and are among the best plugs, they are better than the others in some elements. These spark plugs have proven to last up to 120 000 miles or 193000, with some providing efficient functionality up to 150 00 miles or 2410000 km depending on the vehicle. However, iridium is currently about half the price of platinum. This makes it a precious metal, making it expensive like platinum. We also make all our hand-drawn wire with Ruthenium alloy because in the process of drawing the wire, the metal compacts and almost entirely eliminates porosity.With an excellent high melting point of 4471° F or 2466 ☌, it can withstand high engine temperatures and is highly resistant to tear and wear. We use Platinum alloyed with Ruthenium for thinner or more intricate designs that require strength. This is a very valuable attribute for customers who are hard on their jewelry. We, however, have found that the “Pro” most of the times outweighs the “Con,” and that the piece of jewelry is very hard and thus more durable. The final product may have some noticeable porosity especially in large, polished areas. That causes the metal, in some cases and in some areas, to be porous. The final result is a Platinum that is very hard and great to work with except it comes with a caveat, the two metals are difficult to mix. This metal is very hard, so to use it as an alloy, the mix needs to be 95% Platinum / 5% Ruthenium. We also have in mind how it will be worn earrings and pendants are subject to less impact vs. When making a piece of jewelry, we take into account that it tends to be soft. We use Platinum alloyed with Iridium for certain designs. The final product, however, is on the softer side and if this is not taken into account in the manufacturing process, there could be long-lasting issues like the ring bending out of form if worn roughly. ![]() Iridium mixes well with Platinum therefore, the finished product should have minor porosity and yield a beautiful luster after the final polish. If the mix was 95% Platinum / 5% Iridium, it would be too soft for jewelry. To use Iridium, the mix needs to be 90% Platinum / 10% Iridium, which makes the final Platinum metal hard enough to work with. ![]() Iridium is also a softer type of metal but harder than Platinum. ![]() _ Iridiumįirst of all, pure Platinum is by nature soft and “chewy,” so it cannot be used for jewelry in this form and therefore needs an alloy to strengthen it. ![]() There are two major Platinum alloys used in fine jewelry, one is Iridium and the other is Ruthenium. In this article series, I will explain why that depends on the different alloys used and manufacturing techniques, what are the differences between the two metals, the impact each has on price, the impact on longevity, which is best for what kind of jewel and ultimately the decision that is best for you.
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