What ls The Meaning Of Zinc Sulfate Chemical Fiber Grade?

One of the zinc sulfate grades, zinc sulfate can be divided into: industrial grade, chemical fiber grade, fertilizer grade (agricultural grade), feed grade, pharmaceutical grade, food grade, etc., according to its use.
To achieve chemical fiber arade zinc sulohate. this level is not high. as long as itcan be used for chemical fiber production. the most common level is medical grade.