HEDP, or 1-Hydroxyethylidene-1,1-diphosphonic acid, is a type of organic phosphonic acid used primarily as a chelating agent and scale inhibitor in various industrial applications. If a solution or formulation contains 60% HEDP, this means that 60% of the total composition by weight is HEDP. The remaining 40% would typically be other substances, such as water or solvents, depending on the specific formulation.
For exact details about the composition and usage, it's important to refer to the specific product datasheet or manufacturers guidelines
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