Specification:

items	index
Appearance	Colorless or light yellow transparent liquid
Active content (HEDP)%	58.0-62.0
Phosphorous acid (as PO33-)%	2.0 max
Phosphoric acid  (asPO43- )%	0.8 max
Chloride (as Cl-)%	0.01 max
pH (1% solution)	2 max
Density  (20℃)g/cm3	1.40
Fe ion ppm	10 max
Colour APHA (Hazen)	40 max

Usage:

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.

Package and Storage:

HEDP liquid: Normally In 250kg net Plastic Drum, IBC drum can also be used as required Storage for ten months in room shady and dry place.

Safety Protection:

Acidity, Avoid contact with eye and skin, once contacted, flush with water.