That is to say, if water or air can pass through the object, we will consider it as porous. When we say something is porous, normally we are saying that it can be penetrated by water or air. You may be wondering: “how come is wood non-porous? Are you talking about fake wood?”, you will be explained in a minute.įirst, let’s take a look at the definition of porosity:
The answer may sound surprising to some people, but the truth is some woods are porous and some woods are not. Is that true? Let’s give it a closer look.
So I believe that many people would think wood is porous since trees need to inhale and exhale. Many of us, including me, will think there are millions of cells and holes inside the branches, which enables the wood can release oxygen and absorb water. “ breathing in carbon dioxide and breathing out oxygen” – that’s the first advantage when we think of trees.
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