DF350A gbanwere Diphenyl EtherGlass Cloth Rigid Laminated mpempe akwụkwọnwere akwa iko a kpara akpa nke ejiri resin diphenyl ether thermosetting gbanwetụrụ, nke etinyere n'okpuru oke okpomọkụ na nrụgide. Uwe iko a kpara akpa ga-abụ nke enweghị alkali na KH560 na-agwọ ya. Klas thermal bụ klaasị H.