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Recently, the second set of polypropylene plant of Zhenhai Refining and Chemical Co.
, Ltd.
successfully produced 450 tons of new products of high melting index and high impact polypropylene, laying a solid foundation
for further meeting the modification needs of downstream customers and expanding the application field of high value-added products of polypropylene.
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 order to vigorously increase the high-end market share of automotive compounds, the Zhenhai refining and chemical production and marketing research team visited downstream manufacturers many times in the early stage to develop and improve formulas
according to customer needs.
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 achieved satisfactory results
with less transition material and smooth response in the grade switching process.