Liquid crystal polymer allows thin designs
A
DuPont (UK) product story
Edited by the Engineeringtalk editorial team
Oct 17, 2007
Zenite ZE55201's ultra-low-warp performance is achieved by reducing anisotropic shrinkage.
A new grade of DuPont Zenite LCP liquid crystal polymer meets needs for ultra-low warpage in the thinner part designs used in ever smaller electronic devices.
Typical applications for new Zenite ZE55201 include electronic connectors, chip sockets and interposers.
According to DuPont, standard resins that perform perfectly well in thicker parts can produce unacceptable warpage in the emerging generation of low-profile designs.
The Zenite ZE55201 has shown that it can meet the challenge in moulding trials and early production experience.
The new resin's ultra-low-warp performance is achieved by reducing anisotropic shrinkage.
Its flow direction shrinkage is similar to that of a typical 30% glass-re-inforced LCP, but its cross-flow shrinkage is over than 50% lower.
Zenite ZE55201 BK010, is re-inforced with 50% glass and mineral and is available only in black.
Mechanical properties and flow are in the same range as other highly filled LCP grades.
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