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Characterization of non-structural poly (vinyl) chloride, rock wool and medium density fiberboard waste composites

Material Science & Engineering International Journal
Marco Canale Sirena, Aline Zini, Luiza Rech Brancher, Mara Zeni, Maria Fernanda de Oliveira Nunes, Ana Maria Coulon Grisa


Seeking to combine thermal comfort with the reuse of difficult degradation materials, which generate large volumes discarded in landfills, this study aims to use Poly (vinyl) chloride (PVC), rock wool and Medium Density Fiberboard (MDF) waste in the manufacture of nonstructural boards in civil construction. The samples were prepared by varying the formulations in order to find the one that has better thermal conductivity contribution. The work, still in progress, presents lower swelling results to the average of insulating materials, and water absorption of the plates lifted by the use of sodium bicarbonate; used in the composition to increase the void ratio. Although, separately, the three materials present low thermal conductivity; when mixed the conductivity tends to increase, but still remains below the average value of other sealing materials used in civil construction.


waste, PVC, rock wool, MDF, non-structural composite, thermal conductivity, water absorption, void ratio, swelling test, low density composite