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Assignee3M Innovative Properties Company
InventorsPeter T. Dietz, Dinh Ba Le
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The present disclosure relates to an intumescent coating and a coated article, wherein the intumescent coating comprises an inorganic binder and at least one inorganic filler. In certain preferred embodiments, the inorganic binder is selected from potassium silicate, sodium silicate, or a combination thereof, and the at least one inorganic filler is selected from clay (e.g., kaolin clay), ceramic fibers, vermiculite, hollow ceramic microspheres, perlite, zeolite, mica, hexagonal boron nitride, silicon nitride and combinations thereof. The coated article comprises a substrate having a first major surface and a second major surface, and an intumescent coating disposed on the first major surface. The present disclosure also relates to kits comprising an intumescent coating and at least one primer. In general, the primer is used to prepare the surface of a substrate on which the coatings are applied.
A kit comprising at least two components:
A method of applying an intumescent coating to a substrate comprising:
Dependencies are inferred from the claim text.