Ari-arian:

HEDP ay isang organophosphoric acid corrosion inhibitor. Maaari itong mag-chelate kasama ng Fe, Cu, at Zn ions upang bumuo ng mga matatag na chelating compound. Maaari nitong matunaw ang mga na-oxidized na materyales sa mga ibabaw ng metal na ito. HEDP nagpapakita ng mahusay na sukat at mga epekto sa pagsugpo ng kaagnasan sa ilalim ng temperatura na 250 ℃. HEDP ay may mahusay na katatagan ng kemikal sa ilalim ng mataas na halaga ng pH, mahirap ma-hydrolyzed, at mahirap mabulok sa ilalim ng ordinaryong liwanag at mga kondisyon ng init. Ang acid/alkali at chlorine oxidation tolerance nito ay mas mahusay kaysa sa iba pang organophosphoric acid (asin). 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.

Ang matatag na estado ng 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.

Pagtutukoy:

Mga bagay	Index
Hitsura	Malinaw, Walang kulay hanggang maputlang dilaw na may tubig na solusyon	Puting kristal na pulbos
Aktibong nilalaman (HEDP), %	58-62	90.0 min
Aktibong nilalaman (HEDP·H₂O), %	-	98.0 min
Phosphorous acid (bilang PO₃^3-), %	2.0 max	0.8 max
Phosphoric acid (bilang PO₄^3-), %	0.8 max	0.5 max
Chloride (bilang Cl^-)%	0.02 max	0.01 max
pH (1% solusyon sa tubig)	2.0 max	2.0 max
Densidad (20℃), g/cm³	1.40 min	-
Fe, mg/L	20.0 max	10.0 max
Kulay APHA (Hazen)	40.0 max	-
Ca Sequestration (mg CaCO₃/g)	500.0 min

Paggamit:

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.

Packaging at imbakan:

HEDP liquid: 200L plastic drum,IBC(1000L),customers’ requirement.

HEDP solid: 25kg/bag,customers’ requirement.

Imbakan para sa labindalawang buwan sa silid na malilim at tuyo na lugar.

Kaligtasan at proteksyon:

Ang HEDP ay acidic. Bigyang-pansin ang proteksyon sa paggawa sa panahon ng operasyon. Iwasan ang pagkakadikit sa mga mata at balat. Kung ito ay tumalsik sa katawan, banlawan kaagad ng maraming tubig.