Asahi Kasei is introducing the semi-aromatic polyamide LEONA SG series to the European market. In addition to high stiffness, it features an improved flowability and a superior surface appearance without any additional surface treatment or coating.
Asahi Kasei introduces LEONA SG series to Europe
The automotive interior is becoming a major element influencing buying decisions. Surface materials determine how the vehicle interior and the driving experience are perceived.
The LEONA SG series is a new semi-aromatic polyamide available in grades reinforced with 40, 50 and 60 per cent glass fibre. Even with a high glass fibre content, it features a superior surface quality and gloss at shorter cycle times. This can be achieved without additional surface treatment or additional coating. The material offers an excellent inherent mechanical strength even under moisture.
In a conditioned state the 50 per cent glass fibre-filled SG105 shows a clear superiority compared to standard and other semi-aromatic polyamides: While standard PA 66 shows a deterioration of 30 per cent in tensile modulus compared to its dry state, SG105 maintains its performance. SG105 also shows an eight per cemnt better flexural strength than comparable semi-aromatic polyamides.
Taku Ishida, General Manager of the Engineering Plastics Division of Asahi Kasei Europe, said: “Asahi Kasei’s plastics can offer more to the automotive industry than just lightweight applications. LEONA SG is the next addition to our diversified material portfolio for automotive interior applications. It offers significant cost advantages for our customers and at the same time addresses the changing needs of the car users with its premium surface quality.”
Compared to similar materials, the LEONA SG series contributes to a cost- and energy-saving production process. In addition, the high flowability enables thin-walled constructions and opens up new freedom in design. The material also demonstrates these advantages as a replacement for metal die casting in construction, industrial or furniture parts.
The LEONA SG series comprises UV-resistant grades (SU series) for external applications and non-halogenated flame-retardant grades (SN series) with UL94 V0 classification for E&E applications.