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Fri, 28 Aug 1998 11:57:34 +0000 |
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Hi Howard,
Fr-5 is an epoxy glass fabric just like fr-4 but with imporved
thermomechanical properties. A higher level of crosslinking within the
resin system gives it an improved thermal resistance +higher Tg, Improved
chemical resistance, Higher mechanical load capacity and a lower z-axi CTE.
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Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information.
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