Nanjing Kerke Extrusion Equipment Co.,Ltd. has successfully completed full-process factory testing of its customized KTE65+SE150 two-stage extrusion and pelletizing production line. The equipment is set to be shipped to Russia to support a local customer’s mass production project for black masterbatch.
This production line was specifically customized for black masterbatch applications with high carbon black content and employs a classic two-stage series process: the first-stage KTE65 co-rotating twin-screw extruder is responsible for thoroughly mixing and dispersing the carbon black and carrier resin, independently completing the wetting and deflocculation of the powder;The second-stage SE150 single-screw extruder maintains melt pressure and stabilizes the delivery of material to the die head. Separating the mixing and pressure-building processes effectively addresses industry pain points associated with high-filler carbon black processing—such as localized overheating, material degradation, and frequent screen clogging—ensuring uniform and stable blackness.
The production line is equipped with a water-ring hot-cutting system that produces spherical particles with a uniform appearance. A complementary loss-in-weight automatic feeding and batching system ensures precise metering of carbon black, resin, and additives, reduces dust generation, and guarantees formulation consistency.The entire equipment set is equipped with a PLC control system that supports a Russian-language operating interface. Electrical and lubrication components are optimized for the low-temperature workshop environments in Russia, ensuring compatibility with local operating conditions.The equipment has a stable production capacity of 300–500 kg/h, with a maximum carbon black loading of 50%. It is suitable for black masterbatches based on PE and PP carriers and is widely used in pipe manufacturing, film blowing, and injection molding.
The successful implementation of this project represents a significant step in Kerke Rubber & Plastic Modification Equipment’s ongoing commitment to the Russian market. The company will simultaneously provide Russian-language operating manuals, on-site commissioning services overseas, and long-term remote technical support to ensure stable production for its international clients.In the future, Kerke will continue to optimize its two-stage mixing and pelletizing technology to provide comprehensive extrusion solutions for masterbatch and new materials customers worldwide.
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