HIGH TEMPERATURE PLASTICS | MATERIALS
them to meet stringent standards such as OSU, NBS and FAR due to low heat release, low smoke and toxicity properties. For example, Tecotek ES20 WH100 HR 0A (PESU, white, low heat release grade) and Tecotek EP20 WH100 HR 0C (PPSU, white, low heat release grade) meet the heat release require- ments of OSU 55/55 and OSU 65/65, respectively. Eurotec says it is one of the raw material suppliers for Turkish airlines and has a very large product range intended for the aviation industry. Higher service temperatures of up to 260°C in
aviation applications require PEEK materials. Eurotec says its glass fibre reinforced Tecopeek has a wide range of uses in structural applications. Tecopeek PK40 CR30 BK111 is designed to overcome corrosion issues with metals thanks to its highest level of rigidity and tensile stress for metal replacement applications. New materials from polyamides group Ems-
Grivory include Grivory HT6 PPA. It says: “Despite exhibiting around 50% higher stiffness at 140°C compared to Grivory HT1, HT6 makes no compro- mises in terms of processability at > 300°C, the conventional melting point of PPA. Its heat deflec- tion temperature HDT/C of 250°C, is even 20°C higher than that of PEEK. Grivory HT6 also impress- es with regard to creep resistance with enormous long-term stability, even when subjected to high loads and temperatures. At 150°C, a 165% higher creep modulus (after 10,000 h) is achieved than with conventional PPA.” Grivory G5V has been developed for applications
at temperatures of up to 100°C, such as automotive structural components, instrument panel supports, air vents and seat shells. The stiffness of the material
The stiffness of Ems-Grivory’s new G5V material in a conditioned state is higher than that of the established Grivory GV material. Source: Ems-Grivory
(measured as modulus of elasticity) in a conditioned state at 80°C is 45% higher than that of the estab- lished Grivory GV material. The improved stiffness at higher temperatures makes component designs with lower wall strengths possible, which is further facilitated by a 35% improvement in creep resist- ance compared to Grivory GV.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.domochemicals.com �
www.dupont.com/mobility �
www.evonik.com �
www.solvay.com �
www.basf.com �
www.lanxess.com �
www.eurotec-ep.com �
www.emsgrivory.com �
www.avient.com
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