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New product: high density polyethylene 4731B!

Views: 0     Author: Site Editor     Publish Time: 2022-08-16      Origin: Site

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On August 5th, Lanzhou Petrochemical Yulin Chemical Co., Ltd., after more than 30 hours of product switching and process adjustment, produced the qualified polyethylene 4731B in a 400,000-ton/year high-density polyethylene plant, which marked the firm step in the process of high-end polyethylene products.


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Polyethylene 4731B has high viscosity, excellent environmental stress cracking resistance, good rigidity and heat resistance, and is mainly used to produce floor heating pipes.


In order to do a good job in plant conversion and new product development, Lanzhou Petrochemical Company dispatched a team of technical experts to study the production formula provided by the patent dealer together with the plant technicians of Daqing Research Center, and carefully worked out the trial production plan and conversion plan of plant 4731B. Lanzhou Petrochemical Yulin Chemical Co., Ltd., aiming at the difficulties in the trial production of new products, such as difficult adjustment of melt finger, poor sensitivity of hydrogen adjustment and narrow control range, carefully organized the production, selected the additive system with excellent quality, and strictly controlled the ratio of catalyst to feed according to the formula table, so as to make a good reference for production optimization and device load improvement.

We have maintained our principles – to add value to our customers and provide service in all aspects of our business.

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