Manganese is a silvery gray metal, much like iron, but softer than iron. If manganese contains small amounts of impurities - carbon or silicon - it can become very hard and brittle. Pure manganese
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Henan Aon Metal Materials Co., Limited: Welcome to buy silicon alloy, silicon metal, silicon manganese, ferro chrome, cored wires in stock here from professional manufacturers and suppliers in China.
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TPU White masterbatch is a kind of white granular coloring agent made of TPU as the base material, white powder of tio2 and polymer additives, after high temperature pre-dispersion treatment.
TPU
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Wikileaks.de police raid documentation, 24 Mar 2009; US Air Force exposes troops, Iraqis to cancer agents: Balard Air Base Burn Pit Health Hazards, 10 Dec 2006;