Product Description
Product Name: HEDP(1-Hydroxy Ethylidene-1, 1-Diphosphonic Acid)
Synonyms: Phosphonic acid, P, P', P''-[nitrilotris(methylene)]tris-
CAS No.: 2809-21-4
Content: 50%/60%/89% Min
Hazard Class UN3265 Class: 8.1
Packing: Liquid: 250kg net in plastic drum; Powder: 25kg net in kraft bag
Quantity/20'FCL: 20mts
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.
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