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Evonik Introduces Fire-resistant PA12 Compound for EV Batteries

Published on 2021-09-14. Edited By : SpecialChem

TAGS:  Automotive    Electrical & Electronics     New Energy Solutions   

Evonik-fr-vestamid Evonik is expanding its portfolio of polyamide 12 compounds for insulating electrical conductors with the product VESTAMID® LX9050 OR. By using halogen-free flame retardants in accordance with IEC 60754, the compound meets the requirements for classification V-0 of its flammability according to UL94. Busbars insulated with the new RAL 2003 signal orange colored material can be used at elevated operating temperatures up to 125°C.

Safer Product for Busbar Profiles


In the future, busbars made of copper or aluminum in high-voltage batteries of electric or partially electric vehicles will require even safer protection against electrical breakdowns up to 1000 V voltage and above, and the associated risk of fire. As required by the automotive industry, Evonik has developed the new polyamide 12 compound VESTAMID® LX9050 OR with halogen-free fire protection additives specifically for this purpose to achieve the highest possible fire resistance with flammability class V-0. A coating thickness of 0.5 - 0.7 mm meets the insulation requirements of e-mobility for busbar profiles from 30 mm2 to about 150 mm2. The RAL 2003 orange signal color indicates permanently and at first glance the high-voltage application.

The copper or aluminum profiles are coated by co-extrusion, and the favorable processing properties of VESTAMID® LX9050 OR also allow higher extrusion speeds. Adhesion to the metal core is excellent; adhesion promoters are not required. Due to the high elasticity of the compound, the coated busbars can be shaped very well after extrusion and even bent with small radii without losing the protective effect of the VESTAMID® insulation.

Efficient Energy Management


"With its highest flame retardancy, excellent insulating properties, and very favorable processing from extrusion to the finished molded busbar component, Evonik's new high-performance plastic developed especially for e-mobility offers the possibility of making energy management in electric vehicles even more efficient and, above all, significantly safer," says Eckart Ruban, who is responsible for e-mobility in Evonik's High Performance Polymers Business Unit.

The compound is also suitable for processing in injection molding. Because of the halogen-free flame retardants used, it can also be used to manufacture other components for automotive electrics or for the electrical industry. The newly developed compound with a flammability classification of V-0 completes Evonik's existing range of other RAL signal orange polyamide 12 products with V-2 and HB classifications.

Evonik's Complete Polyamide 12 Product Range




Source: Evonik

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