Whereas other high performance fibers have exhibitedannual growth rates of 15 - 25% per year in the period1987 to 1992, boron fibers have not yet achieved majoreconomic importance. The worldwide productiondecreased from 40 t in 1987 to ca. 20 t in 1996. The priceof 1 kg boron prepreg has increased from 1300 DM/kg in1979 to 3200 DM in 1995. The worldwide capacity isestimated to be less than 50 t/a.
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