what properties does mdf have
In addition to all the properties of Premium Grade MDF, it has special properties which make it suitable for interior applications where there is the risk of occasional wetting or prolonged exposure to high levels of humidity. Norbord MR is not warranted for exterior applications.n addition to all the properties of Premium Grade MDF, it has special properties which make it suitable for interior applications where there is the risk of occasional wetting or prolonged exposure to high levels of humidity. Norbord MR is not warranted for exterior applications.