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| Zaozhuang Youbang Chemicals Co., Ltd | ||||||
| About this company : YouBang Chemicals Co., Ltd. (YBC) , founded in 1999, is one of the largest Chinese manufacturers of polymers, biocides, phosphonates and other water treatment chemicals. YBC has acquired its Certification for ISO9001 Quality Management System (QMS), Certification for ISO9001 14001 Environmental Management System (EMS) and Certification for OHSAS 18001 Occupational Health and Safety Assessment Series. YBC has also been granted network access license for water treatment chemicals for electric power systems and SINOPEC. YBC boasts of stable product quality, reliable product performance, complete product line of water treatment chemicals, customized products, rapid response, timely delivery and perfect post-sales service. With a total staff number of 300, an annual capacity of 50,000 MT and an annual turnover of $65 Million, YBC provides its products through reliable agencies and distributors worldwide. YBC is dedicated to manufacture of high-quality water treatment chemicals for extensive applications in numerous fields of industrial water treatment, including but not limited to: oilfields, boilers, cooling towers, geothermal power plants, and reverse osmosis systems, etc. YBC is always committed to R&D and innovation. YBC’s pilot and bench test facilities allow for various performance evaluation tests on a basis of customized formulations. YBC, your professional supplier and partner of water treatment chemicals in China. YBC, Your Business Companion in China! | ||||||
| Contact : Jewel Zhang, sale | ||||||
| Headquarters : No.7, Changjiang 5 Road, Ecnomic Development Zone, Zaozhuang, Shandong, 277100, China | ||||||
| Phone : 13646326607, Fax : 86-632-3059662 | ||||||
| Website : Log on to trade instantly , Email : Log on to trade instantly | ||||||
.jpg) | HEDP1-Hydroxy Ethylidene-1,1-Diphosphonic Acid CAS No. 2809-21-4 HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds can dissolve the oxidized materials on these metals’ surfaces. HEDP shows excellent scale and corrosion inhibition effects under temperature 250℃. 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, it 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, it can be used as cleaning agent in electronic fields and as additives in daily chemicals. | |||||
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