HEDP 60%
Properties
HEDP is an organophosphoric acid corrosion inhibitor. It can chelate with Fe, Cu, and Zn ions to form stable chelating compounds.It 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.
Specifications
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items |
index |
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| Appearance |
Clear, Colorless to pale yellow aqueous solution |
White crystal powder |
| Active content (HEDP)% |
58.0-62.0 |
90.0min |
| Phosphorous acid (as PO33-)% |
1.0 max |
0.8 max |
| Phosphoric acid (asPO43- )% |
2.0 max |
0.5 max |
| Chloride (as Cl-) ppm |
100.0 max |
100.0max |
| pH (1% solution) |
2.0 max |
2.0 max |
Usage method
HEDP is used as scale and corrosion inhibition in circulating cool water system, oil field and low-pressure boilers in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP is used as detergent for metal and nonmetal. In dyeing industry, HEDP is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP is used as chelating agent. The dosage of 1-10mg/L is preferred as scale inhibitor, 10-50mg/L as corrosion inhibitor, and 1000-2000mg/L as detergent. Usually, HEDP is used together with polycarboxylic acid.
About us
Wuxi Lansen Chemicals Co.,Ltd. is a specialized manufacturer and service provider of water treatment chemicals,pulp&paper chemicals and textile dyeing auxiliaries in Yixing,China,with 20 years of experience in dealing with R&D and application service.
Wuxi Tianxin Chemical Co.,Ltd. is a wholly-owned subsidiary and production base of Lansen,located in Yinxing Guanlin New Materials Industry Park,Jiangsu,China.
Exhibition
Package and storage
HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required
HEDP solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag, or confirmed by clients.
Storage for ten months in room shady and dry place.
FAQ
Q1: How can I get a sample?
A: We could provide small amount free samples to you. Please provide your courier account (Fedex ,DHL ACCOUNT) for sample arrangement.
Q2. How to know the exact price for this product?
A: Provide your email address or any other contact details. We will reply you a latest and exact price immediately.
Q3: What is about the delivery time?
A: Usually we will arrange the shipment within 7 -15 days after advance payment..
Q4: How can you ensure the quality ?
A: We have our own complete quality management system, before loading we will test all batches of the chemicals. Our product quality is well recognized by many markets.
Q5: What is your payment term?
A: T/T, L/C, D/P etc. we can discuss to get an agreement together
Q6：How to use decoloring agent?
A：The best method is to use it together with PAC+PAM, which has the lowest processing cost. The detailed guidence is avalible,welcome to contact us.
