What Is Ammonium Paratungstate?

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What is ammonium paratungstate? Ammonium paratungstate, APT for short, is white, finely divided crystals, with the chemical formula (NH4)10(W12O41) · 5H2O. It is soluble in water and insoluble in alcohol. It is produced by evaporation of purified ammonium tungstate solution to obtain pure paratungstate crystals. Controls of time, temperature, concentration, and pH, determine the quality and physical characteristics of the APT crystals.

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Tungsten Carbide Cutter Blade

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Tungsten carbide cutter blade is three times stiffer than the steel commonly used on other types of wood-cutting tools. Tungsten carbide enables blades to cut faster without binding, which reduces load on woodworking machines. Sharp, carbide-tipped tools are far more efficient, cutting faster and needing sharpening less often than common steel blades.

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Tungsten Carbide Thread-cutting Tool

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Tungsten carbide thread-cutting tool, or tungsten carbide thread cutting blade, is manufactured from high quality material with high hardness of and durability, and is often mounted on a lathe tool (turning tool). There are tungsten carbide external thread cutting tool and tungsten carbide internal thread cutting tool. With good machining performance, they can guarantee the machining accuracy and thread quality.

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Production Process of Tungsten Carbide Blade

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Production process of tungsten carbide blade is the focus of researchers as it greatly affects the quality of blades. Production processes of tungsten carbide blades include powder production, powder compacting, high temperature sintering, blade grinding and other processes.

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Tungsten Carbide Non-standard Blade

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Tungsten carbide non-standard blade has been widely used in cutting paper, carton, rubber, plastic, aluminum foil, packaging materials, film, chemical fiber, textile, etc. They have different shapes and different uses.

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