Figure 2
From: Thermal Resistance Variations of Fly Ash Geopolymers: Foaming Responses

(a) Bulk density and (b) compressive strength of unexposed and exposed foamed fly ash geopolymers.
From: Thermal Resistance Variations of Fly Ash Geopolymers: Foaming Responses

(a) Bulk density and (b) compressive strength of unexposed and exposed foamed fly ash geopolymers.