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HEDP
Jun 28, 2017

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.


Product Specification

Items

Index

 

Appearance

Clear colorless to pale yellow liquid, free from   foreign matter

 

White   crystalline powder

Active Acid (%)

58.0   ‐ 62.0

90.0 min

Active content as HEDP.H2O (%)

‐‐‐

98.0 min

3‐

Phosphorous acid as PO3   (%)

2.0 max

2.0 max

Phosphoric acid as PO43‐ (%)

0.8 max

0.8 max

Chloride as Cl(ppm w/w)

100 max

100 max

Iron content (Fe ppm)

35.0 max

35.0 max

pH (1% solution)

2.0 max

2.0 max

If you have any inquire ,pls contact : melisa@gpcchem.com

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