Novel fireproof coating

The invention belongs to the technical field of fireproof coatings, and particularly relates to a novel fireproof coating. The novel fireproof coating is composed of a second filling layer, a non-expansion fireproof layer, a first filling layer and an expansion fireproof layer on a metal substrate from bottom to top, wherein the thickness of the non-expansion fireproof layer is 10-12 mm, the thickness of the expansion fireproof layer is 3.2-5.0 mm, the thickness of the first filling layer is 1.2-2.0 mm, and the thickness of the second filling layer is 2.0-2.5 mm. The novel fireproof coating prepared by the invention not only has excellent fireproof and heat insulation performance, but also has good bonding strength, has good application prospect, and is suitable for further popularizationand application. 本发明属于防火涂层技术领域，具体涉及一种新型防火涂层，该防火涂层从下至上由金属基板上的第二填充层、非膨胀防火层、第一填充层与膨胀防火层构成；其中非膨胀防火层的厚度为10-12mm，膨胀防火层的厚度为3.2-5.0mm，第一填充层的厚度为1.2-2.0mm；第二填充层的厚度为2.0-2.5mm；本发明制备的新型防火涂层不仅具有优异的防火隔热性能，还具有较好的粘结强度，具有较好的应用前景，适宜进一步推广应用。