... Ammonium Catinonic Polymer for textile,printing ink,dyeing waste water treatment 50% solid content COD removal QUALITY INDEX Appearance ... 30±0.5 40±0.5 50±1PH value(1% water solution) 3 – 6 3 – 6 3 – 6Viscosity ... , ink, black liquid of paper-making, oil filed artesian well and etc.3. The decolor rate of wastewater ... turn into clear.2. The PH of waste water should adjust to 4~12.3. When chroma of ...