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6643 F-class DMD (DMD100) takarda rufi mai sassauƙa
6643 Modified Polyester film/polyester non-saka m laminate ne mai uku-Layer 100% cikakken m composite rufi takarda a cikin abin da kowane gefe na polyester film (M) an bonded daya Layer na polyester non-saka masana'anta (D), sa'an nan mai rufi da F-class lantarki insulating guduro. Ana amfani da 6643 DMD azaman rufin ramin, rufin tsaka-tsaki da rufin layi a cikin injinan lantarki na aji F, musamman dacewa da tsarin shigar da injin injin. 6643 F-class DMD ya wuce gwajin SGS don gano abubuwa masu guba da haɗari. Ana kuma kiranta azaman DMD-100, DMD100 takarda insulation.