There is claimed herein, a method of conserving organic and inorganic materials comprising the step of impregnating a material selected from organic or inorganic materials with an organosilicon compound, or a mixture of organosilicon compounds, and thereafter initiating curing of the resultant product. If said material initially contains moisture or body fluids, such as blood, this method may further comprise an initial step of dehydrating the selected material in a dehydration step using an acetone bath before conducting said impregnation step.
