MATERIALS | HIGH TEMPERATURE PLASTICS
Right: BASF says its Ultramid T7000 PA/PPA blends outperform PA66 for stiffness and strength
ISCC Plus certified bio-circular feedstocks which results in an attributed amount of 39% to the final Ultrason E 2010 BMB grade, says BASF. Ultrason is name for BASF’s range of polyether-
sulfone, polysulfone and polyphenylsulfone. In addition, BASF is offering a portfolio of polyamide (PA) and polyphthalamide (PPA) blends that promises more constant mechanical properties than PA66 alone. Ultramid T7000 outperforms PA66 for stiffness
and strength in dry state – and especially in presence of humidity. The PPA portion leads to a lower water absorption, which gives components higher dimensional stability. Ultramid T7000 can be as easily injection-moulded as PA66, giving parts a glossy, smooth surface finish. This makes PA/PPA blend a suitable metal replacement for structural parts that are exposed to moisture, such as mirrors, air brake parts and valves. These components can also be optimised using
BASF’s simulation tool Ultrasim for properties such as improving NVH (noise, vibration, harshness) performance. The result is a robust assembly with consolidation of parts, no corrosion, and improved durability, says BASF. Ultramid T7000 is globally available with
different glass-fibre reinforcements up to 60% for highly loaded structural parts. There are also grades in laser sensitive black and surface-improved black. “In collaboration with our technical service
colleagues, we want to inspire our customers to investigate other weight- and cost-saving opportu- nities for metal replacement, which is now possible with Ultramid T7000,” said Andre Schäfer of global business development PPA at BASF.
Bio-based PA Xenia has developed a new carbon-fibre rein- forced material, based on bio-based PA10.10, with high strength and temperature resistance. With up to 50% carbon fibre reinforcement,
XECarb 31 ensures increased stiffness, making it ideal for structural applications that need high mechanical strength. In addition, it is suited for environments that require higher operating temperatures without compromising performance, thanks to its high melting point. The PA10.10 base polymer ensures lower
moisture absorption, which improves long-term durability. Its cold impact resistance makes it suitable for applications that are exposed to low temperatures, such as outdoor environments and high-altitude settings.
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IMAGE: BASF
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