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About product and suppliers:
        Alibaba.com offers 371 rayon grade caustic soda products. About 100% of these are alkali. 

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

There are 380 rayon grade caustic soda suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Brazil, which supply 97%, 1%, and 1% of rayon grade caustic soda respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 60 with Other, 47 with ISO9001 certification.