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What is a Barium Tungsten Electrode? 39

Barium tungsten electrode is a composite electrode material made of tungsten (W) and barium (Ba) compounds, mainly used in electron emission devices such as cathode ray tubes (CRTs), X-ray tubes and electron guns. It combines the high melting point, corrosion resistance and mechanical strength of tungsten with the low work function characteristics of barium to achieve efficient thermal electron emission. Barium tungsten electrodes are usually composed of the following two parts: Tungsten Substrate: Tungsten is a high melting point metal…

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Application of Ammonium Metatungstate in Catalyst Field 31

Ammonium metatungstate (AMT), a transition metal compound, is widely utilized in the catalyst field. Whether in catalytic cracking, hydrorefining, olefin epoxidation, or alcohol oxidative dehydrogenation, its unique structure and high activity have driven significant technological advancements, facilitating the efficient production of clean fuels and fine chemical products. I. Petrochemical Field Catalytic Cracking Reaction: In the oil refining process of the petrochemical industry, catalytic cracking is a critical step for enhancing the value of heavy oil, and AMT-based catalysts play an…

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How to Apply Ammonium Metatungstate in Fireproof Fabrics 22

Ammonium metatungstate (AMT) produced by CTIA GROUP LTD is a vital tungsten chemical with application advantages in fire-resistant fabrics, including high flame-retardant efficiency, long-lasting durability, and environmental friendliness. In practical production, AMT, as an effective flame retardant, is scientifically formulated into fabric finishing agents and precisely applied to the fabric surface and interior through processes such as padding or coating. These processes are not only straightforward but also ensure that the flame retardant fully exerts its effects, imparting durable fire-resistant…

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Application of Ammonium Metatungstate in Fireproof Fabrics 28

Ammonium metatungstate (AMT) produced by CTIA GROUP LTD is a significant tungsten compound that can be prepared using methods such as the neutralization method, tungstic acid method, thermal decomposition method, solvent extraction method, and ion exchange method. It is widely applied in fire-resistant fabrics. Flame-Retardant Mechanism of AMT in Fire-Resistant Fabrics The ability of AMT to impart flame-retardant properties to fabrics stems from its unique chemical characteristics and thermal decomposition mechanism. When exposed to high temperatures or open flames, AMT…

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What Are the Applications of Ammonium Metatungstate? 20

Ammonium metatungstate (AMT) produced by CTIA GROUP LTD is a high-purity white powder renowned for its excellent mechanical, chemical, and thermal properties. It finds widespread application in the preparation of metallic tungsten powder, catalyst production, the fireproofing industry, and the ceramics industry. I. Metallic Tungsten Preparation AMT serves as a critical precursor in the production of high-purity metallic tungsten. Through chemical methods such as hydrogen reduction or carbon reduction, the tungsten element in AMT can be efficiently extracted and converted…

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Application of Ammonium Metatungstate in Ceramics 18

The application of ammonium metatungstate (AMT), a chemical compound of the transition metal tungsten produced by CTIA GROUP LTD, spans multiple fields. This is because AMT has unique chemical properties and thermal stability. Beyond serving as a crucial precursor for preparing tungsten-based materials, AMT is also a key additive in ceramics. Its roles in ceramics are primarily reflected in the following aspects: I. Optimizing Ceramic Sintering Performance Lowering Sintering Temperature: AMT acts as a flux during the ceramic sintering process…

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Production Method of Ammonium Metatungstate 19

Ammonium metatungstate (AMT) is a white crystalline powder and an important tungsten chemical. It possesses good water solubility and high thermal stability, making it a key precursor in the preparation of metallic tungsten. Additionally, AMT is used in petrochemical industries to produce tungsten-based catalysts, enhances flame retardancy in fire-resistant fabrics, and improves various properties in the ceramics industry. The production methods for AMT include the neutralization method, tungstic acid method, thermal decomposition method, solvent extraction method, and ion exchange method.…

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What Is Ammonium Metatungstate? 31

Ammonium metatungstate produced by CTIA GROUP LTD is an inorganic compound formed by the combination of ammonium ions (NH??) and complex polytungstate anions [H?W??O??]??. It is a white powder with the English name Ammonium Metatungstate (AMT), chemical formula H??N?O??W??, and CAS number 12333-11-8. In terms of physical properties, ammonium metatungstate from CTIA GROUP LTD is typically a white crystalline powder. When pure, it exhibits a uniform color and fine texture, though it may occasionally appear slightly yellowish due to preparation…

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Performance of Cut-Resistant Tungsten Wire in High-Temperature Environments 50

The performance of cut-resistant tungsten wire in high-temperature environments is significantly superior to many other metallic materials, primarily due to tungsten’s inherent properties. Below is a detailed analysis of its high-temperature characteristics: 1. High Melting Point and Thermal Stability Extremely high melting point: Tungsten has a melting point of 3422°C (one of the highest among all metals), allowing it to remain solid under extreme heat without softening or melting. High-temperature strength: Even above 1000°C, cut-resistant tungsten wire retains high tensile…

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Chemical Protection Capability of Cut-resistant Tungsten Wire 44

The chemical protection capability of cut-resistant tungsten wire is primarily manifested in its outstanding corrosion resistance, oxidation resistance, and stability in extreme chemical environments. The following is an introduction from multiple aspects: 1. Corrosion Resistance Resistance to Acid and Alkali Corrosion: Cut-resistant tungsten wire exhibits good corrosion resistance to most acids (such as hydrochloric acid, sulfuric acid, and nitric acid) and alkalis (such as sodium hydroxide) at room temperature. Its high chemical stability makes it less prone to chemical reactions…

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