Zetalabor - Silicone Lab Putty, Regular Type, Gray, 2.6 Kg. High initial flowability. Captures high-detail impressions. Ensures no deformation. Zetalabor is a C-silicone laboratory putty that is used for duplicating of denture molds, controlling the matrix for the design of metal structures, taking impressions for copy denture technique, as matrix for use in making temporary crown/bridges, as. matrix for the reproduction of gingival tissue, and as insulation of teeth/gypsum in flask.It has high initial flowability and good final hardness, ensuring high detail reproduction and no deformation. Zetalabor also features high elastic resistance and is non-pigmented.