Some example is sponge.
Because a sponge can absorb a water or a solvent absorber.
Sedimentary rocks such as sandstone are examples of porous materials.
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
All natural store is porous and needs to be sealed. Travertine is the most porous over marble and granite
As porous as a sponge. :P
There is one called PORCERAX that is porous.
Sedimentary rocks such as sandstone are examples of porous materials.
pumice stone
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
If water droplets penetrate within 3 minutes or less it is considered porous, if water droplets remain on top it is considered non porous..
There are two types porous and non porous. You can also seel porous concrete to make it non porous.
Silk is porous -- it absorbs liquids.
Metal is not porous. Many other elements are porous though and when metal combines with them it can potentially become porous.
more porous
The story proved to be quite porous. Lava is a porous rock.
All natural store is porous and needs to be sealed. Travertine is the most porous over marble and granite
glass, plastic, metal. I don't feel like thinking too hard so that is all I will say.