4N ultra-high purity silicon (Si) powder

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last updated：Feb 16, 2023

日本NER

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Si purity > 99.99% 4N ultra-high purity silicon powder *Total impurities of 25 elements < 20.21 ppm (GDMS analysis)

Materials: Siemens method virgin polysilicon (6N or higher) Si powder impurity concentration: Total concentration of 25 elemental impurities = 20.21 ppm (GDMS analysis) → Si + Others > 99.9979% High purity was achieved through two acid washes and magnetic separation during the grinding process. Oxygen (O) concentration after grinding: 0.29% (IGA analysis)

Related Link - https://www.jner.jp/%e3%82%b7%e3%83%aa%e3%82%b3%e3…

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■Product Specifications Material: Siemens process virgin polysilicon (6N or higher) Impurity concentration after crushing Fe=2.2ppm Al=0.36ppm Ca=6.3ppm Total concentration of 25 elemental impurities=20.21ppm (GDMS analysis) → Si+Others > 99.9979% C/O concentration measurement (IGA analysis) C=22ppm O=0.29% Particle size (laser diffraction and scattering method) D10=1.159 µm D50=4.586µm D90=8.653µm *These are measurement results from mass-produced products, but they are not guaranteed values. *Guaranteed specifications will be defined in the contract.

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<General Products> - Raw materials for fire-resistant bricks and amorphous refractories - Raw materials for aluminum alloys and special alloys - Raw materials for silicon nitride - Raw materials for deoxidizers used in steelmaking <High Purity Products> - Raw materials for polysilicon production - Starting raw materials for fine ceramics - Anode materials for lithium-ion batteries *The particle size for grinding will be specified according to each application.

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Nano-grade high-purity silicon (Si) sludge refined product for lithium-ion battery anodes

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日本NER

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【Business Concept】 Contributing to the development of advanced technologies and next-generation industries as a resource and material supplier. 【Commitment to Society】 As professionals in material procurement, we fulfill our corporate social responsibility through green procurement from the perspective of SDGs and environmental conservation, as well as compliance with regulations. 【Commitment to Customers】 1) We pursue expertise as a resource and material supplier and the ability to customize. 2) We achieve price advantages that are on a different level from reagent sales, from prototyping to mass production. 3) We aim to be a concierge for material procurement, selecting the best materials from around the world. 4) We propose diversification of the supply chain considering natural disasters and geopolitical risks. 5) We provide research and development and factory construction consulting that goes beyond trading companies.

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