Polishing torque data

1. Polishing torque level in deionized water environment;2. The torque change of gradually adding cerium oxide polishing solution in deionized water environment;3. The average polishing torque and post polishing shape of domestic 2um cerium oxide polishing solution at different concentrations;4. Import 2um cerium oxide polishing solution with different concentrations to polish the average torque and shape after polishing;