This product is an ultra-high molecular weight polymer formed by copolymerization of acrylamide and propionate, with a molecular weight of more than 30 million. It has a strong adsorption bridging effect, and can be used with different molecular weights according to different uses and user requirements for product performance. Scope of application: 1. Industrial wastewater treatment; 2. Drinking water treatment; 3. Loss of starch and recovery of liquor tanks in starch and alcohol plants; 4. Papermaking auxiliaries; 5. Oil displacement agent for tertiary oil recovery 6. Profile control and water plugging agent: 7. Drag reducing agent; 8. Drilling fluid additives; 9. Fracturing fluid additives.