On January 12, the mainstream market for polyacrylamide in Henan region experienced a slight decline: Cationic type: with a molecular weight of 12 million and an ionicity of 30, the quoted price is 11,500-13,500 yuan/ton; with a molecular weight of 12 million and an ionicity of 40, the quoted price is 12,000-15,000 yuan/ton; with a molecular weight of 12 million and an ionicity of 50, the quoted price is 12,000-15,000 yuan/ton.