HPAA(2-Hydroxyphos phonocarboxylic acid)

Description

●(2)Properties:
①HPAA could be dissolved and separated in two forms of [HPAA]*-和[HPAA]*- in water of PH **9. It could collate with Ca2+、Zn2+ to form a protection membrane of 1:1 chelate complex in the surface of metals. It is usually complexed with Zn2+ to act as corrosion inbibitor. Also, it is a very good scale inhibitor.
②The COD value is 0.*4gO2／g. When the cooling water contains dissociative chlorine, it will be oxided; When confronted with oxidant, it will dissolve ***** thermal stability could indicate **0℃ with PSC.
●(3) Specification:
  Appearance Dark brown liquid
Solid content ≥*0%
Phosphorous (as PO3) ≤3.0%
Density(*0℃ g/cm3) 1.*5—1.*2
pH(1%  water solution) 1.0~2.5
After detected with *1P—NMP。It is concluded that this NC***8 has the content of more than *5ï¼…. It is in accordance with Belcor **5 of Ciba-Geigy Company.
●(4) use:
HPAA could be widely used as scale inhibitor and corrosion inhibitor in cooling water circulation system for steel & iron, petro-chemitry, power and medical industry. It is usually scale inhibitor when complexed with zinc ***** is a scale inhibitor specially suitable for Low Hardness water in South China.
  ●(5) Packing＆Storage:
In **0Kg or *5Kg in plastic pails，storage is one year．