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See Chinese contents: GB/T 31246-2014 GB/T 31246-2014: Water treatment chemicals -- Technical specification and test method of cationic polyacrylamides
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage of cationic polyacrylamide. This standard applies to cationic polyacrylamide products for water treatment agents, which are mainly used as flocculation for industrial water, wastewater, sewage treatment, sludge dewatering treatment.
