Medium Density Fiberboard (MDF) yɛ board a onipa -yɛ a wɔde nnua nketewa-a ne kɛse yɛ, nnua a wɔde twa ne nea wɔde yɛ adwuma, ne nea ɛnyɛ -nnua afifide nhama. Wɔtwitwa kyerɛwpon no mu, wɔde nsuonwini gu mu, wɔde fiber gu mu, wɔma ɛyow, na afei wɔde urea-formaldehyde resin anaa nneɛma afoforo a ɛfata a wɔde nkata so kata so ansa na wɔahyɛ no hyew-ahyɛ. Mpɛn pii no, ne kɛse fi 500 kosi 880 kg/m3, na ne kɛse taa fi mm 2 kosi 30.
Wɔyɛɛ no wɔ 1960 mfeɛ no mfimfini, MDF anya nkɔsoɔ ntɛmntɛm firi saa berɛ no ɛnam ne honam fam ne mfiridwuma mu su a ɛkyɛn so, ahosiesie su, ne dwumadie su nti.
Nneɛma a wɔde yɛ: Nnua anaa afifide nhama a ɛnyɛ nnua
Nneɛma a ɛyɛ den: 0.5-0.88 g/cm3
Ɔkwan a Wɔfa so Yɛ: Wɔde mfiri tetew nnua anaa afifide nhama no mu na wɔde nnuru yɛ ho adwuma, afei wɔde nneɛma a wɔde nkata so ne nneɛma a ɛmma nsu ntumi nkɔ mu fra mu, na afei wɔyɛ no wɔ ɔhyew a ɛkɔ soro ne nhyɛso kɛse mu.
