Product Specifications
Product Description
HEDP is an organophosphoric acid corrosion inhibitor. HEDP can chelate with Fe, Cu, and Zn ions to form stable chelating compounds. HEDP can dissolve the oxidized materials on these metals' surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250 C. HEDP has good chemical stability under high pH value, hard to be hydrolyzed, and hard to be decomposed under ordinary light and heat conditions. Its acid/alkali and chlorine oxidation tolerance are better than that of other organophosphoric acids (salt). HEDP can react with metal ions in water system to form hexa-element chelating complex, with calcium ion in particular. Therefore, HEDP has good antiscale and visible threshold effects. When built together with other water treatment chemicals, HEDP shows good synergistic effects.
The solid state of HEDP is crystal powder, suitable for usage in winter and freezing districts. Because of its high purity, HEDP can be used as cleaning agent in electronic fields and as additives in daily chemicals.
Specification of HEDP:
Appearance
Colorless or light yellow transparent liquid
White crystal powder
Active content (HEDP)% 58.0-62.0 89.0 min
Phosphorous acid (as PO33-)% 2.0 max 0.5 max
Phosphoric acid (asPO43-)% 0.8 max 0.5 max
Chloride (as Cl-)% 0.01 max 0.01 max
pH (1% solution) 2 max 2 max
Density (20 C)g/cm3 1.40 -
Fe ion ppm 10 max 20 max
Colour APHA (Hazen) 40 max -
We are Guangzhou Hansen Trading Co., Ltd., mainly selling sports shoes. All of our shoes are with various styles and different colors. Many new styles and hot-sell styles can be availbe here.
We accept small trial orders, even drop shipping business is welcome here. We have good business relations with express company here, so we can get a good price even for your small order.
Kindly let us know your interest and we will send you photo samples and quotations to study.
