Epinastin HCl
        HEDP
        ATMP
        EDTMPS
        DTPMP
        PBTC
        HPAA
        PAA
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Active ingredient
Hydroxyethylidene-1,1-diphosphonic Acid, HEDP
Characteristics
Sequesters Fe, Cu, Zn, Al. Resistant to high temperature and oxidation, low-toxicity.
Use
Scale/corrosion inhibitor for heat exchanger and boiler; chelating agent in electroplating; metal sequestering agent in textile processing.
Specification

Appearance
clear, colorless to light yellow liquid.
HEDP, %
≥50
Phosphorous acid (PO33-), %
≤3.0
Phosphoric acid (PO43-), %
≤1.0
pH (1% aq. solution)
≤2
Density (20°C), g/cm3
≥1.34
Calcium chelation value, mg/g
≥450
Application Guide
Rate of use is generally 1-10mg/L for scale inhibition, and 10mg/L for corrosion inhibition. It can be used in combination with carboxylic acid scale inhibitor. Avoid chlorine.
Packaging & Storage
Plastic drum, net weight 25kg. It shall be stored in a ventilated place. Avoid direct sunlight and alkali. Shelf life: 12 months.

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