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  6. How to Choose Abrasive Particles: A Comparison of WA and GC Characteristics

How to Choose Abrasive Particles: A Comparison of WA and GC Characteristics

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last updated:Jul 31, 2025

平成サンケイ
平成サンケイ
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In selecting microparticle abrasives, it is important to make appropriate choices based on their characteristics and applications!

In recent years, with the evolution of processing technology, the importance of fine particle abrasives has been increasing. In particular, the selection of abrasives is directly linked to the precision and quality of processing, and careful consideration is required in the selection process. This time, we will focus on two representative fine particle abrasives, "GC (Green Silicon Carbide)" and "WA (White Alundum)," and provide a detailed introduction to their characteristics and applications. GC and WA each have different properties and are designed to meet the needs of various industrial sectors. It is noteworthy that they are products that balance thorough quality control with environmental considerations, allowing them to cater to a wide range of processing needs. We hope this article serves as a reference for selecting fine particle abrasives. For more detailed information and product specifications, please visit our product page. *For more details, please download the PDF or feel free to contact us.*

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How to Choose Abrasive Particles: A Comparison of WA and GC Characteristics

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**Overview** ■GC (Green Silicon Carbide) - Known for its high hardness and durability, widely used in industrial fields that require high precision, such as medical devices and automotive parts. - Due to years of manufacturing know-how and strict quality control, there is little variation in quality between product lots, maintaining stable quality. - A significant feature is the ability to respond quickly with short delivery times due to domestic integrated production. ■WA (White Alundum) - Particularly effective in surface finishing, making it indispensable for finishing precision parts. - Complies with environmental regulations such as RoHS and REACH, ensuring safety. - Characterized by its wide range of applications as a fine particle abrasive and its high compatibility. ■ Selection Points Based on Application - The choice of abrasive depends on the intended use. - GC is suitable for situations requiring high hardness and durability, while WA is preferred in scenarios where uniform particle size and polishing performance are emphasized. - In finishing and surface treatment of precision parts, both can maximize their respective characteristics. *For more details, please download the PDF or feel free to contact us.*

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Manufacturing and processing contract

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Heisei Sankei Co., Ltd. manufactures high-quality abrasives starting from crushing domestically. We can customize sizes from a maximum of 80μm to a minimum of 1.2μm. The selection of raw materials, which is the most important issue in product development, as well as the precision of the product's particles and density, are seen as significant areas for research and development, leading to a continuous stream of research requests to our company. We constantly challenge the limits of technology as a member of the world's leading companies, contributing to the realization of lower costs and higher quality products, and continue to communicate this to the world.

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