Figure 6
From: A new expansion material used for roof-contacted filling based on smelting slag

XRD pattern of the expansion material before foaming and after foaming. (a) After foaming; (b) Before foaming.
From: A new expansion material used for roof-contacted filling based on smelting slag

XRD pattern of the expansion material before foaming and after foaming. (a) After foaming; (b) Before foaming.