Translucent Insulation (TI) options, including Cabot’s Lumira® aerogel offer exceptional thermal up to 0.05 U. 

Kalwall panels are factory prefabricated and customized to fit the exact size and configuration required for each individual project. Opening or fixed glazed windows can be incorporated into the panels.

"Lumira® aerogel is the most highly insulating translucent insulation (TI) currently available anywhere. Aerogel is an ultralight nanomaterial that has very low thermal conductivity combined with excellent light scattering properties." -Retrieved 12/7/2020 fromm https://www.kalwall.com/wp-content/uploads/2015/03/Kalwall-Lumira_Aerogel_Summary-Sheet.pdf

See also: "Pore diameter: ~20nm" -Retrieved 12/7/2020 from https://www.cabotcorp.com/search/?query=la1000+ (see LA2000 Datasheet or LA1000 Datasheet)

unable to locate SDS online