Zhejiang Xinhui New Materials’ expansion project for annual production of 70,000 tons of butyl rubber products

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On October 13, a public notice for the environmental impact assessment was issued for the expansion project of the butyl rubber product line with an annual production capacity of 70,000 tons. The project was invested and constructed by Zhejiang Xinhui New Materials Co., Ltd. It is located within the existing manufacturing complex in the chemical new materials area of the company’s Jiaxing port area, with a total investment of 170.57 million yuan. The main components of the project include optimizing the product capacity structure through measures such as improving process technologies, adjusting the time required for production and operation, upgrading the equipment in the butyl and halogenation units, adding additional equipment, reorganizing the drying and post-treatment lines, and upgrading the plant’s utility systems (including environmental protection facilities). Upon completion of this project, the production capacity for ordinary butyl rubber will be adjusted to 5,000 tons per year, while the production capacity of halogenated butyl rubber will increase by 65,000 tons per year. As a result, after the project is implemented, the total external sales capacity for butyl rubber products at the factory will be 120,000 tons per year (including 5,000 tons of ordinary butyl rubber, 74,600 tons of brominated butyl rubber, and 40,400 tons of chlorinated butyl rubber). Meanwhile, the production capacity for isobutylene from the projects that are already in operation remains unchanged at 163,500 tons per year; some of this is used as raw material for butyl rubber, while the rest is sold as a finished product. After the implementation of this project, the construction activities related to halogenated butyl rubber under the previously approved \"20,000 tons/year expansion project for halogenated butyl rubber\" will no longer be carried out.