AUTOMOTIVE | MATERIALS
Moving ahead: advances in automotive materials
As well as developing new resins with higher temperature and chemical resistance, developers are also focused on materials with a greater proportion of recyclate
The automotive industry is at the forefront of injection moulding applications, with plastic components now commonplace in bumpers, exterior panels and interior components. This is because they can fulfil the necessary durability, mechanical performance and – increasingly – sus- tainable performance. BASF has expanded its portfolio of Ultramid Advanced T1000 – for durable parts that require special thermal management. The polyphthala- mide (PPA) range, based on polyamide 6T/6I, now includes optimised grades with high purity and hydrolysis resistance (HR). This addresses the increasing needs of the automotive industry for combustion engines and electric motors with inverters or fuel cells that have stable, long-term performance at high power output in the presence of different cooling media. The new HR and EQ grades combine high strength and stiffness at high temperatures with good creep strength and
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resistance against cooling media – outperforming standard polyamides and many other PPAs on the market, says BASF. The hydrolysis-resistant T1300HG7 HR shows high chemical and dimensional stability in contact with media such as glycol, thermal oil and water at 130°C and more. This helps prolong the service life of automotive parts in the cooling system, such as thermostat housings and oil inlets/outlets. In tests, the PPA successfully proved that it can withstand a continuous use temperature of 130°C for 1,000 hours – and even 3,000 hours – in a mixture of ethylene glycol and water. The pure T1300EG7 EQ contains hardly any electrically active ingredients, yet still resists heat ageing in contact with water, hydrogen or high- purity cooling media such as Glysantin FC G20. Its thermal stability stretches from - 40°C to 100°C. This makes it suitable for e-mobility and fuel cell applica- tions such as end plates, media distribution parts or
BASF has added two specialist PPAs for parts that require special thermal
management IMAGE: BASF
May/June 2025 | INJECTION WORLD 19
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