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KraussMaffei implements compounding project for Lanxess China

German chemical company Lanxess opted for Hannover-based, ChemChina-owned KraussMaffei Extrusion as the machine supplier for its Changzhou site in Jiangsu province, China. According to Kraussmaffei, Lanxess thus benefits from excellent German engineering services combined with efficient on-site support provided by KraussMaffei China in Jiaxing.

KraussMaffei implements compounding project for Lanxess China
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“We have designed, installed and already commissioned a high-performance turnkey compounding line for Lanxess’ Chinese production site in Changzhou,” explains Dieter Brunner, Key Account Manager at KraussMaffei Extrusion. He adds that “we have also been awarded the contract for the second line, which is scheduled for delivery in the course of 2022 and will increase the compounding capacity by another 30,000 metric tons per year.”  

Customized production lines for high-tech compounds 

Lanxess’ goal was to significantly expand production output of the two high-tech Durethan and Pocan plastics in China. With the installation of the second KraussMaffei line, the chemical group will achieve a total annual production capacity of 110,000 metric tons of compounds based on PA 6, PA 66 and PBT at its two sites in Changzhou and Wuxi. 

“In the case of the compounding line already in production at Lanxess in China, we were responsible for the complete engineering – starting from the steel structure and all upstream and downstream components right through to the conveying systems to the finished product silos,” says Dieter Brunner, who is not only very satisfied with the efficient cooperation with Lanxess but also with the excellent support provided by his Chinese colleagues. “This project is an impressive example of the fruitful cooperation between KraussMaffei Extrusion in Hannover and our Chinese colleagues, especially against the background of fast local response times, cultural differences and language barriers.”  

Booming Chinese e-mobility industry 

The first compounding line delivered by KraussMaffei is equipped with a ZE 110 UT twin-screw extruder. In the case of the second line, again a package solution, Lanxess opted for a ZE 98 twin-screw extruder from the BluePower series. The decision in favor of the ZE BluePower extruder was made after having carried out compounding tests with specific Lanxess material formulations at KraussMaffei’s R & D center in Hannover.  

On the lines supplied by KraussMaffei Extrusion, Lanxess produces PBT and PA compounds with a glass fiber weight percentage ranging between 5 and 60 %. These compounds are mainly used in the booming Chinese e-mobility industry. 

More information www.kraussmaffei.com