Reproduced Tungsten Carbide Powder
Reproduced tungsten carbide powder refers to that has carried out ball milling or the unqualified hard alloy, and through further processing in the production of raw materials for processing alloys. The property of reproduced tungsten carbide powder is far worse than the native tungsten carbide powder, and generally only can be used to prepare low-grade alloy products.
The appearance of reproduced tungsten carbide powder should be gray-black powder, clean, dry and evenly, without lumps, no visual visible impurities. Size required to go through pore size of 150um sieve, weight of sieve powder does not exceed 50%.
According to different raw materials, reproduced tungsten carbide powder can be divided into four grades of WCH-1, WCH-2, WCH-3, WCH-4. WCH-1 refers to top hammer, pressure cylinder class of reproduced tungsten carbide powder, WCH-2 represents the roll ring class of reproduced tungsten carbide powder, WCH-3 represents YG class reproduced tungsten carbide powder, WCH-4 class represents YT class reproduced tungsten carbide powder.
Packing, Transport and Storage of Recycled Tungsten Carbide Powder
Recycled tungsten carbide powder is generally packaged in polyethylene plastic bags with a net weight of 50 kg per bag, placed in plastic drums or iron passes with a sealed lid, or packaged according to the provisions of the contract (or order form).
Recycled tungsten carbide powder should be transported to prevent the product from rain and moisture, and the transport vehicle should be clean. No rolling, inverting and violent collision are allowed in the process of transporting, and prevent the sealing package of the product from being damaged.
Recycled tungsten carbide powder should be stored in a dry, ventilated place without acid or alkali atmosphere to prevent oxidation.
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