What are the grades of polyoxymethylene POM?
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Which grades can be produced domestically? Which grades still need to be imported? Please let me know, thank you.
Copolymerized formaldehyde grades: MC25, MC90, MC130, MC270, MC450.
At present, domestic manufacturers can only produce ordinary grades such as M90 and M270, with M90 being the most common. High-end grades cannot yet be produced by domestic firms. Baotailing and Asahi City utilize technology from the United States and Japan to manufacture high-end products, but their annual production volume is relatively low; therefore, imports remain essential. Some modified products available in China are also made by processing foreign-made powders.