Adjective
English Wikipedia has an article on:microporous materialWikipedia
microporous
(of a material) Having micropores of a size less than 2 nanometres.
Heterogeneous catalysts main The microporous molecular structure of the zeolite ZSM-5 is exploited in catalysts used in refineries Zeolites are extruded as pellets for easy handling in catalytic reactors. Source: Internet
The gelatinous precipitate is first washed and then dehydrated to produce colorless microporous silica. Source: Internet
The preferred carrier is microporous spheres of amorphous silica with a diameter of 30–40 mm. Source: Internet