6650 Polyimide zaj duab xis / polyamide fiber ntau daim ntawv hloov pauv tau laminate (NHN) yog peb-txheej hloov tau yooj yim cov ntaub ntawv rwb thaiv tsev uas txhua sab ntawm polyimide zaj duab xis (H) yog sib koom nrog ib txheej ntawm polyaramide fiber ntau ntawv (Nomex). Nws yog cov khoom siv hluav taws xob siab tshaj plaws, chav kawm thermal yog H, nws tseem hu ua 6650 NHN, H chav kawm ntawv rwb thaiv tsev, H chav kawm rwb thaiv tsev, thiab lwm yam.