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About product and suppliers:
        Alibaba.com offers 17,841 poly acid products. About 2% of these are polymer, 2% are food additives, and 1% are acidity regulators. 

A wide variety of poly acid options are available to you, such as polycrystalline silicon, plastic, and metal. You can also choose from industrial grade, medicine grade, and food grade. As well as from free samples, paid samples. 

There are 17,841 poly acid suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of poly acid respectively. 

Poly acid products are most popular in North America, Africa, and South America. 

You can ensure product safety by selecting from certified suppliers, including 6,189 with ISO9001, 3,174 with ISO14001, and 2,510 with Other certification.