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About product and suppliers:
        Alibaba.com offers 4,195 calcium oxide products. About 16% of these are oxide, 7% are lime, and 1% are pigment. 

A wide variety of calcium oxide options are available to you, such as industrial grade, agriculture grade, and food grade. You can also choose from powder, lump. As well as from waste water treatment, desiccant, and architectural paint. And whether calcium oxide is limestone, or calcite. 

There are 4,015 calcium oxide suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Vietnam, and India, which supply 88%, 6%, and 1% of calcium oxide respectively. 

Calcium oxide products are most popular in North America, Mid East, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 2,417 with ISO9001, 1,451 with Other, and 110 with ISO14001 certification.