Appearance: colorless or slightly yellow liquid

Main use: used to soften water quality, can be used in all processes of the leather making process, especially in the vegetable tanning process, it has a strong ability to chelate iron to avoid the production of blue-black spots, and can be used in dyeing to make the dyeing uniform without producing color spots and spots.

Usage and dosage: 0.5-1.5% (adjustable according to water quality)

Performance characteristics:

1. It has a strong chelating ability for calcium, magnesium, iron and other metal ions, and softens water quality.

2. It has a strong chelating and dispersing effect, and is used in dyeing to protect dyes and eliminate color spots and spots.

3. It has a strong solubilizing and dispersing effect on insoluble calcium soaps.

4. It is stable to various electrolytes and is resistant to acids, alkalis and oxidants.