About: http://webisa.webdatacommons.org/41437994

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the present embodiment, the outer shell 20 comprises a plastic, such as PMMA or PVC, that is impermeable to the constituents of the sol-gel solution 216 and the filler 22 used in the microcapsule 218.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr