HEDP•Na 2 is an organophosphonic acid corrosion inhibitor, it can chelate with Fe, Cu, and Zn ions, it can dissolve the oxidized materials, it has good scale and corrosion inhibition effects even under 250ºC, it is stable under high pH value, not easy to be hydrolyzed, not easy to be decomposed under normal light and heat condition, its acid/alkaline and chloride oxidation tolerance are better than that of other organophosph-onic acids.
Items | Index | |
---|---|---|
Appearance | Colorless to light yellow transparent liquid | White powder |
Active content (HEDP) % | 16.5 min | 74.0-79.0 |
Active content (HEDP•Na 2 ) % | 20.0 min | 89.8-95.8 |
Density (20ºC)g/cm 3 | 1.12-1.22 | -- |
Fe, mg/L | -- | 20.0 max |
Moisture,% | -- | 3.0-6.0 |
PH (1% water solution) | 4.0-6.0 | 4.0-6.0 |
Use:
HEDP•Na 2 is widely used in circulating cool water system, medium and low pressure boiler, oil field water pipelines as scale and corrosion inhibitor in fields such as electric power, chemical industry, metallurgy, fertilizer, etc.. In light woven industry, HEDP•Na 2 is used as detergent for metal and nonmetal. In dyeing industry, HEDP•Na 2 is used as peroxide stabilizer and dye-fixing agent; In non-cyanide electroplating, HEDP•Na 2 is used as chelating agent.
1. High quality with competitive price.
2. All purity>99%.
3. We are manufacturer and can provide high quality products with factory price.
4. Fast and safe delivery.
5. We have our own agent/remailer/distributor who can help us ship our products very fast and safe, and we have stock in there for transferring.
Q1.DO YOU ACCEPT SAMPLE ORDER?
A:We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q3.WHAT'S YOUR MOQ?
A:Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4.DO YOU SUPPLY PRODUCT REPORT?
A:Yes. We'll give you product analysis report before shipping.
Q5.IS THERE A DISCOUNT?
A:Different quantity has different discount.