![]() ![]() The closest to 100% pure helium, 6.0 helium is used in the manufacturing of semiconductor chips – the tiny wafers that pack the power behind your smart phones, computers, tablets, televisions, and more. Each variation will always contain the same grade purity, but it’s the impurities, things like argon, carbon dioxide, neon, nitrogen, oxygen, and even water, that will have a different composition. Note that within each of the different grades of helium, there can be even further variations within each grade, depending on your helium supplier and your specific need. Now that we have the grading down, let’s look into the different grades of helium and what they’re primarily used for. Need industrial grade helium? Get a free, fast quote here.Īn overview of the different common grades of helium So, 4.7 grade helium = four 9s and a 7, or 99.997%. The second number ( after the decimal point) represents the number after the last 9. The first number in the grade ( before the decimal point) is always equal to the number of 9’s in the purity. ![]() The easiest way to remember what the purity of any grade of helium is, is to simply look at the grade itself. Without getting too nerdy about it, let’s break down some of the most common grades of helium.īefore we get into the different grades of helium, let’s talk about the grading system itself, which is really quite simple. The point is, different grades of helium are needed for many of these different applications and industries. Helium is needed for welding, microscopes, airbags, ship inspection, computers, TVs, smart phones, MRIs, blimps, space exploration, diving, meterology, scientific research, the Internet… the list goes on and on. Helium is a little more complex than most people think-it’s not just for party balloons. Helium has many uses, from cooling MRI machines to finding leaks in ships, but there are many different grades of helium. ![]()
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