Tetrabromobisphenol-A (TBBPA) is the predominant flame retardant used in rigid FR-4 printed wiring boards (PWB). In this application, the TBBPA is fully reacted into the epoxy resins that form the base material of the PWB. TBBPA's leadership position in the rigid printed wiring board market is due to several factors, which include reliable performance over time.
This paper will look at the benefits of TBBPA as a flame retardant in epoxy resin PWBs. It will also address the current regulatory status of TBBPA. An update will be given on the regulatory and environmental status of TBBPA and other industry assessments that compare TBBPA to alternative flame retardants for PB will be included.
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