6640 Polyester film/polyaramide faibha bepa flexible laminate (NMN) ipepa rematatu rinochinjika rinochinjika rinosungirirwa mukati umo divi rimwe nerimwe refirimu repolyester (M) rinosungirirwa nechikamu chimwe chepolyaramide fiber paper (Nomex). Iyo inodaidzwa zvakare se6640 NMN kana F kirasi NMN, NMN bepa rekuvhara uye NMN insulating bepa.