8 Image (SEM) showing formation of bridge between silica sand grains in core, connected with GMBond organic binder

8 Image (SEM) showing formation of bridge between silica sand grains in core, connected with GMBond organic binder

8 Image (SEM) showing formation of bridge between silica sand grains in core, connected with GMBond organic binder

8 Image (SEM) showing formation of bridge between silica sand grains in core, connected with GMBond organic binder