Titanium macroporous scaffolds were prepared from TiH2 suspensions by reactive sintering, using inverse replication of a sacrificed polymer sponge. This work describes investigation on the theological behaviour of TiH2 suspensions with a maximum solid content of 45 vol.% in water. Stabilization of the suspensions was investigated by sedimentation tests and rheology measurements and optimized by using the proper concentration of dispersant and gelling agent. (c) 2007 Elsevier B.V. All rights reserved.