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About product and suppliers:
        Alibaba.com offers 2,294 potassium caustic products. About 79% of these are alkali, 1% are organic fertilizer, and 1% are potassium fertilizer. 

A wide variety of potassium caustic options are available to you, such as food grade, agriculture grade, and medicine grade. You can also choose from potassium fertilizer, sulphate, and carbonate. As well as from potassium sulphate, potassium chloride, and potassium humate. And whether potassium caustic is powder, or granular. 

There are 2,294 potassium caustic suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of potassium caustic respectively. 

Potassium caustic products are most popular in Southeast Asia, South America, and Oceania. 

You can ensure product safety by selecting from certified suppliers, including 354 with ISO9001, 203 with Other, and 81 with ISO14001 certification.