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About product and suppliers:
        Alibaba.com offers 10,759 food grade caustic soda products. About 100% of these are alkali, 1% are other chemicals, and 1% are high purity reagents. 

A wide variety of food grade caustic soda options are available to you, such as food grade, electron grade. You can also choose from caustic soda, calcium hydroxide. As well as from free samples. 

There are 10,877 food grade caustic soda suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Thailand, and India, which supply 98%, 1%, and 1% of food grade caustic soda respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 2,001 with ISO9001, 655 with Other, and 80 with ISO14001 certification.