6630/6630A Polyester film / polyester non-saka masana'anta m laminate (DMD) , kuma ake kira da B-class DMD m hada rufi takarda, shi ne mai uku-Laminate m laminate a cikin abin da kowane gefe na polyester fim (M) an bonded da daya Layer na polyester ba saƙa masana'anta (D). Juriya na thermal shine Class B.