| 摘要 |
The epoxy resin is composed of 100 wt% epoxy resin like biphenyl epoxy resin, novolak epoxy resin, moified novolak epoxy resin or bisphenol epoxy resin of A type, 10-80 wt% phenol resin like novolak phenol resin, phenolalkyl resin, bisphenol of A type or modified phenol resin, 20-70 wt% modified vinylester resin, 1-20 wt% coupling agent, 500-900 wt% filler like synthetic silicon containing uranium and thorium below 1.0 ppb and other additives.
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