Ko te raupapa EPGC Epoxy Glass Cloth Rigid Laminated Sheet kei roto i te papanga karaehe raranga kua whakapouritia ki te kapia whakamaroke epoxy, kua whakakikoruatia i raro i te pāmahana teitei me te pehanga teitei.Ko te kakahu karaehe raranga kia kore he kawakore, ka rongoatia e te kaihono silane.EPGC rau rangatū ngā te EPGC201 (NMEMA G10), EPGC202( NEMA FR4), EPGC203(NEMA G11), EPGC204 (NEMA FR5), EPGC306 me EPGC308.