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About product and suppliers:
        Alibaba.com offers 375 rayon grade caustic soda products. About 98% of these are alkali. 

A wide variety of rayon grade caustic soda options are available to you, such as industrial grade, agriculture grade, and food grade. You can also choose from caustic soda, barium hydroxide. As well as from free samples. 

There are 375 rayon grade caustic soda suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Brazil, which supply 98%, 1%, and 1% of rayon grade caustic soda respectively. 

Rayon grade caustic soda products are most popular in Eastern Asia, Southeast Asia, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 56 with Other, 44 with ISO9001 certification.