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Recently, the second set of polypropylene plant of Zhenhai Refining and Chemical Co.
, Ltd.
successfully produced 450 tons of high melting index high impact polypropylene new product ZH3900
.
High melting refers to high impact polypropylene series products are the fist products
of Zhenhai Refining.
As a quality upgrade grade based on the original grade, the new product ZH3900 produced this time has better impact resistance while ensuring low odor and high melting index, and can be used in automotive parts production and other fields
.
In the production process, in view of the related technical problems, the technical team continuously optimized the grade switching scheme and refined the raw material addition time, and finally obtained the result
of less transition material and stable reaction in the grade switching process.