A maara MDF dị ka Medium Density Fiberboard, nke a na-akpọkwa fiberboard.MDF bụ eriri osisi ma ọ bụ eriri osisi ndị ọzọ dị ka ihe eji eme ihe, site na akụrụngwa eriri, na-etinye resins sịntetik, na ikpo ọkụ na ọnọdụ nrụgide, na-agbanye n'ime osisi.Dị ka njupụta ya nwere ike kewaa n'ime nnukwu njupụta fiberboard, ọkara njupụta fiberboard na obere njupụta fiberboard.Njupụta nke MDF fiberboard sitere na 650Kg/m³ – 800Kg/m³.Na ezigbo ihe onwunwe, dị ka, acid & alkali eguzogide, okpomọkụ na-eguzogide, mfe fabricability, mgbochi static, mfe ihicha, na-adịte aka na-adịghị n'oge mmetụta.