Covestro Launches Mechanical Recycling Polycarbonate Compounding Line in China

SuchetaGovil, Covestro's Chief Commerical Officer (3rd from left), Lily Wang, head of the Engineering Plastics business unit (4th from left), and Dr. Nicolas Stoeckel, head of operations at Engineering Plastics (far right), celebrate the startup of the new MCR plant. © Covestro

Covestro has commenced operations at its first dedicated mechanical recycling (MCR) compounding line for polycarbonates at its integrated site in Shanghai, China. This line is set to produce over 25,000 tons of premium-quality polycarbonates and blends containing mechanically recycled materials annually, in response to the growing demand for post-consumer-recycled (PCR) plastics, particularly in applications within the electrical and electronic products, automotive, and consumer goods sectors.

“The launch of our MCR production line marks another significant stride in our journey towards achieving a circular economy and operational climate neutrality by 2035,” said Sucheta Govil, Chief Commercial Officer of Covestro. Govil added, “Plastic waste recycling is pivotal in realizing this vision, and through the expansion of our recycled plastics production capacity, we aim to lead the way in driving sustainability across diverse industries”.

Covestro is committed to supplying over 60,000 tons of recycled-content polycarbonates annually in the Asia Pacific region by 2026, in response to robust market demand. Recently, the company also transformed an existing compounding line at its Map Ta Phut site in Thailand for mechanically recycled polycarbonate.

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“These investments enable us to meet the rising demand for PCR polycarbonates, enhancing our capacity and efficiency. With new or repurposed capacity now operational, we are better positioned to assist our downstream customers in their journey towards more sustainable products, expediting the transformation of industries towards a circular and climate-neutral future,” said Lily Wang, Head of Covestro’s Business Entity Engineering Plastics.

The press release stated that Covestro is actively engaged in pioneering the chemical recycling of polycarbonates. Having successfully developed an innovative process within the laboratory, the company is now embarking on the technical implementation of this breakthrough at a pilot scale.

After debottlenecking multiple production lines at the Map Ta Phut site in Thailand, Covestro is nearing the final stages of a program to enhance polycarbonate production capacity and capabilities across the Asia-Pacific region. This program also includes the addition of new production lines at sites in Shanghai and Guangzhou, China, as well as Greater Noida, India, in recent times. The combined additional capacity now exceeds 1,00,000 metric tons annually. These strategic projects, aimed at optimizing the regional production network, have been supported by using digital tools, which also reduced investment costs.

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“In this way, we aim not only to meet the growing demand for polycarbonate in Asia, but also to offer our customers there an improved product quality,” said Dr. Nicolas Stoeckel, Head of Operations in the Business Entity Engineering Plastics. Stoeckel added, “Depending on demand, the upgrades can be used for compounding recycled or conventionally produced polycarbonate”. Therefore, both projects are also about improving Covestro´s ability to produce more plastics with higher recycled content.