The main component of this spray coating is MgO, which can be used for hot-state repair of electric furnace linings. This dataset includes major raw and auxiliary materials, energy inputs, and atmospheric emissions from the production process; infrastructure such as equipment manufacturing and facility construction is not included within the system boundaries of the dataset. The life cycle inventory is compiled from data sourced from multiple references. The production process of this spray coating includes raw material preparation, digestion and decalcification, grinding and refining, dispersion, mixing, and stirring.