HIGH TEMPERATURE | MATERIALS


mould temperatures similar to those of standard PA66. Due to its good colourability, compounds with different white shades can be made, as well as durable orange and grey. The flame- retardant grades use a non- halogenated flame retardant. Good flowability makes it suitable for producing small, complex E&E components such as high-voltage connec- tors and miniature circuit breakers (MCBs), and parts in electric powertrains and consumer electronics. Ultramid T6340 G6, for instance, can be


used in high-voltage connectors for electric vehicles at elevated temperatures. “Tests have proven that mould temperatures of 90-110°C have no significant influence on its mechanical properties and surface appearance,” said Andreas Stockheim, from PPA business development at BASF. “This means manufacturers can use their existing PA66 equipment – like water


cooling for moulds – and save energy in comparison to manu- facturing PPAs.” Siemens has launched a series


of coupling relays that have housings made from a polyamide


that is 70% bio-based (using a mass balance approach). The material, Akulon K225-KS B-MB plastic was developed by Envalior and is derived from biomass waste – specifically used cooking oil from sources including the food industry. Akulon K225-KS B-MB halogen-free flame-retardant PA 6 for injection moulding with high


heat- and chemical-resistance and is used in electrical engineering and power distribution applications.


Siemens’ Sirius 3RQ4 coupling relay comes in


three variants for a range of industrial require- ments. The product can be easily dismantled and recycled at the end of its life. Marc Rudolf, global key account manager at


Left: Siemens’ new coupling relay housings use an Envalior plastic derived from used cooking oil


FOR SALE: Integrated Nylon Compounding & Testing Plant


11,000 + tons per year


Flexible + high-throughput operation with two complementary lines


Available for immediate relocation


David Emen | Phone: +1 (848) 219-1750 | Email: david@phxequip.com


IMAGE: SIEMENS


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