Resin content is a mass fractionResin content is a mass fractionExample only: glass areal mass = 100 g/m²At 50% RC → resin mass = 100 g/m²At 60% RC → resin mass = 150 g/m²Mass fraction does not determine pressed thickness by itself.Density, cure, flow and copper topography still matter.³Ô¹Ïtv · EXPLANATORY SCHEMATIC · NOT A PRODUCT OR TEST RECORD