This product (technically named Poly dimethyl diallyl ammonium chloride) is cationic polymer in powder form or liquid form and it can be completely dissolved in water. Application Field PDADMAC can be widely used in industrial waste water and surface water purification as well as sludge thickening and dewatering. It can improve water clarity at a relatively low dose. It has good activity that accelerate the sedimentation rate. It is suitable for a wide range of PH 4-10. This product can also be used in the colliery wastewater, paper making wastewater, oil field and oil refinery oily wastewater and urban sewage treatment.