HIGH TEMPERATURE PLASTICS | MATERIALS
Raising performance in high temperature plastics
High temperature plastics allow superior performance due to their thermal characteristics – in industries including medical, automotive and aerospace
Because certain plastics – such as Peek, PSU and some polyamides – can withstand elevated tempera- tures, they can replace metal in a range of demand- ing applications, from automotive to oil and gas. In a recent example, backup rings injection moulded by Drake Plastics – using 30% glass filled KetaSpire Peek XT resin from Syensqo – have helped to extend downhole pump life in oil and gas drilling. The rings retain higher mechanical properties at
elevated temperatures to extend the service life of the equipment. The new Peek formulation offers improved melt stability – which preserves the material’s overall properties during high tempera- ture processing compared to conventional Peek, says the company.
Oil and gas downhole equipment must work
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under aggressive conditions that can shorten the life of components. At the same time, operators are looking to extend the time between shutdowns and cut overall maintenance costs. This can be achieved by using higher-performing materials – and was seen in Drake’s collaboration with an oil and gas equipment customer.
“Our customer wanted us to supply backup
rings that would exceed the thermal resistance of the standard grades of Peek traditionally used in pump components,” said Wayne Free, global sales manager at Drake. “After a review of the operating environment, Syensqo recommended KetaSpire Peek XT, a new grade that raises the bar on the upper temperature limits of the polymer.” Performance and processing evaluations led to
March/April 2025 | INJECTION WORLD 21
Main image: BASF says its Ultrason E 2010 BMB is the world’s first biomass-bal- anced PES
IMAGE: BASF
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