D279 yakagadzirwa kubva kuDMD uye yakakosha inodzivirira kupisa resin. Iyo ine maitiro ehupenyu hurefu hwekuchengetedza, yakaderera yekurapa tembiricha uye pfupi yekurapa nguva. Mushure mekuporeswa, ine yakanakisa magetsi emagetsi, yakanaka adhesive uye kupisa kupisa.Kupisa kupisa ndiko Kirasi F. Iyo inonziwo epoxy PREPREG DMD, pre-impregnaed DMD, flexible composite insulation paper for dry transformers.