New Dupont Crastin PBT Solutions Excellent for Laser Welding, With Improved Hydrolysis Resistance
Innovative formulations offer significantly improved levels of performance for automotive sensors, connectors, and other sensitive applications
DuPont Mobility & Materials will feature new Crastin PBT high laser transmission solutions that enable automotive component manufacturers to speed the production and improve the performance of connectors, sensors, ADAS systems, and other sensitive electrical components.
“Now commercially available, DuPont offers a well-rounded portfolio of new Crastin PBT laser welding solutions. These meet the industry’s need for materials optimized for rapid laser welding, while also offering significantly improved levels of hydrolysis resistance and dimensional stability,” commented Kelvin Tseng, automotive commercial director, DuPont Mobility & Materials.
Laser welding is widely used as the joining technology of choice for sensitive and miniature applications in the utomotive and electronic industries. Because this process does not heat or vibrate the components, it helps prevent damage to internal precision components. Laser welding does not blemish the surface of a part, and ensures a durable connection. In addition, laser welding equipment has advanced to allow for very short cycle times.
Three new Crastin solutions have been developed to offer manufacturers a flexible choice between level of laser ransmission, low warpage, and hydrolysis and chemical resistance. For example, one of the new grades offers up to a 200+% improvement in laser transmission versus the industry benchmark, which enables exceptionally good bonding at rapid cycle times. Another offers improvement in hydrolysis resistance even as it also supports exceptional laser transmission. The third new solution offers superior low-warpage performance coupled with excellent laser transmission, making it an ideal choice for sensors and electronic housings that require high standards of dimensional stability. It too offers the necessary performance in hydrolysis resistance.
“Until now, conventional solutions for laser welding have low levels of hydrolysis resistance,” adds Miles Wang, application development director, DuPont Mobility & Materials. “Our new solutions improve laser transmission as well as other properties such as hydrolysis resistance. For our customers, this will create value in both manufacturing and product performance.”
These new Crastin PBT laser welding solutions are in addition to DuPont Zytel polyamide laser welding solutions, providing customers solutions for efficient molding and joining across a wide range of applications.
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