... x 2020mm60--100mm1020mm x 2020mmI. Define and purposeThis laminated product is formed through heat pressing after electric ... damp environmental conditions and transformer oil .II. Technical requirement for surfaceThe surface of laminated board should be flat ... gear ,and generators, Pads, base, baffle etc.. Generator ,transformer, fixture, inverter, motor and electric insulation component Other GradeFR4 ...