6630/6630A Polyester film/polyester fabric non-woven flexible laminate (DMD), ebizwa nangokuthi yi-B-class DMD flexible composite insulation paper, iyilaminate enezingqimba ezintathu lapho uhlangothi ngalunye lwefilimu ye-polyester (M) luhlanganiswe ungqimba olulodwa lwendwangu engalukiwe ye-polyester (D). Ukumelana ne-thermal yi-Class B.