Compare with Magnesium Oxide Board,Magnesium Sulphate Board prevent the humidity absorption becuase of its chemical features.
Magnesium Oxide Board is made of magnesium oxide,magnesium chloride(MgCl2),perlite,chip,non-woven fabric,fiberglass mesh.
When magnesium chloride react with magnesium oxide,it may not react completely with each other and led to come out to the surface of the board,magnesium chloride itself has the function of moisture absorption,so it will absorb water from the air because of the extra unreacted magneisum chloride,make the board become very damp and affect ...
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2018







