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China Petrochemical News Network reported on April 13 that the high-density polyethylene plant of Zhongke Refining & Chemical Co.
The chromium-based catalyst product HHM5502 has excellent rigidity and good processing performance.
The chromium-based catalyst was used for the first time in this device.
During the product switching period, they strengthened the team's strength, keeping an eye on important parameters such as the reaction temperature, the remaining amount of tempering water, the ethylene concentration in the flash gas, and the pressure difference of the connecting line.