Metal raschig ring in 1914 by F. Raschig developed. It was one of the first was invented by a fixed geometry of the bulk packing. Its simple shape, height and diameter of the same size. metal raschig ring is widely used in many areas. Metal raschig ring can be a variety of materials, such as carbon steel, stainless steel 304,304 L, 410,316,316 L, etc. to choose from.
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