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epoxy resin hardener
R-381-m series embedding resin are made from epoxy resin, hardener and filler presented in two-component form. Wherein, R-381-1 is heating type product. R-381-3 cures at room temperature. They all have excellent fire resistance property. They have gained UL certification (E229550) and UL insulation system certification (E242776) .
Good manufacturability and insulation property, low shrinkage, shining appearance of condensate and excellent crack resistance.
Encapsulating and potting electronic components, motor and apparatus coils. For example: small transformer, instrument transformer coils, capacitor, ignition coils of autocycle and auto etc.