Extruded stock shapes made from PPA
Gehr uses BASF’s “Ultramid Advanced N5H UN” polyphthalamide to produce extruded rods (Photo: BASF)
BASF (Ludwigshafen / Germany; has developed “Ultramid Advanced N5H UN”, a polyphthalamide (PPA) based on PA 9T that can be manufactured into semi-finished parts by extrusion. German company Gehr (Mannheim; is using the new high-performance material to produce extruded stock shapes with a diameter of 50 mm.

Philipp Wenz, group head in sales of BASF’s Performance Materials division, says polyphthalamides typically cannot be extruded well. As a result, Ultramid Advanced N5H fills a gap in the market. Gehr’s head of application technology, Bernhard Grosskinsky, notes the ease of producing finished components by post-processing the semi-finished shapes.

According to BASF, the new material offers good resistance to chemicals and hydrolysis as well as good sliding friction properties even at temperatures above 100°C. It is suitable for extruding pre-fabricated components, small assemblies and components for the automotive industry and in mechanical engineering. BASF says during machining, the behaviour of the semi-finished products is between a polyamide and a polyoxymethylene copolymer, showing consistent chip formation and removal.
30.06.2020 [245432-0]
Published on 30.06.2020
BASF: Hochtemperaturbeständiges PPA für die Halbzeug-ExtrusionGerman version of this article...

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