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Product description: Product model: HA1800, which belongs to partially hydrolyzed polyetheramine, with a molecular weight of 1600-20 million and a degree of hydrolysis of about 25%. It is suitable for ordinary oil-displacing agent in low-temperature and low-salinity formation environment. According to the requirements of tertiary oil recovery in the oil field, the polymer can increase the production by 150 tons of crude oil per ton of polymer.