German biocompounder doubles production capacity

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Photo by KraussMaffei Berstorff

German biocompounder Tecnaro GmbH has doubled its production capacity, thanks to a new KraussMaffei Berstorff compounding line.

In 21 June statement, KraussMaffei Berstorff said the bioplastics specialist will use the new twin-screw extruder to meet the increasing demand for tailored alternative plastics compounds, cost-effectively and in large volumes.

Based in Ilsfeld-Auenstein, Germany, Tecnaro specialises in technologies for the industrial use of renewable raw materials in plastics processing.

The company offers lignin-based compounds, known as Arboform, for loudspeakers, musical instruments, toys, design objects or urns. It also supplies the bio-degradable raw materials of the Arboblend series for packaging, office supplies, household items, film and sheets.

A third Tecnaro product line is based on filled compounds made from renewable raw materials.

Tecnaro produces these biocompounds on twin-screw extruders.

"We started with second-hand machines, one of which was originally delivered by KraussMaffei Berstorff. This is one of the reasons why we opted again for a compounding line from Hannover," said Jürgen Pfitzer, chief executive officer of Tecnaro GmbH. 

The recently installed new line is a ZE Basic 62 twin-screw extruder for a maximum output rate of 800 kg/h.

"The possible scale-up of our formulations for the production of larger quantities of specific compounds on the new extruder is of decisive importance to us," added Jürgen Pfitzer.

The twin-screw extruders of the ZE Basic series are versatile and suitable for about 80% of all plasticising, filling and reinforcing applications without requiring any major equipment modification, according to KM Berstorff.

The series comprises a total of four extruder sizes with diameters ranging between 42 and 77 mm and output rates of up to three tonnes/hour.

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