Real German BLACKHEAD Aluminum Powder Eckart 5413 3 LB

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German Blackhead Aluminum Powder, Flake Eckart 5413 H Super 3 Pounds This is not " as good as " or similar to Eckart 5413, this is the real deal. This is 3 pounds of 100% genuine, Eckart 5413 H Super Blackhead imported from Germany. Yes, that is the correct spelling of Eckart. ( grin) Let's clear up some of the nonsense, and misinformation that other sellers are saying. You'll see a lot of sellers claim this is 3 micron or less but I'm afraid they pulled this information out of.......well, I'll let you decide where they came up with this. The truth is, Eckart has never specified the mesh size of their 5413 other than to say that 95% is less than 45 micron. Here's a link to their data sheet to verify for yourself. LINK 5413 is coated to prevent oxidation. All aluminum oxidizes when it comes in contact with air. Larger sizes of aluminum will develop a protective coating of aluminum oxide and this prevents further oxidation. 5413 is so fine that there simply isn't enough material to develop this protective coating. If left uncoated, it will turn into aluminum oxide. 5413 is "dark" because it picks up carbon in the manufacturing process. I assure you there is no "Factory Authorized" seller on Ebay ordering "directly" from the factory. 100% of the 5413 sold in the US is shipped directly to Eckart America in Louisville. They in read more