Sealant for aviation structure and application

The invention belongs to the technical field of aviation, and particularly relates to a sealant for an aviation structure and application of the sealant. The sealant comprises a base paste and a vulcanizing paste in a certain dosage ratio, plasticizers used in the base paste and the vulcanizing paste are acetyl tri-n-butyl citrate, and a mixture of stearic acid and aluminum stearate in a certain mass ratio is used as a stabilizer in the base paste. The base paste and the vulcanizing paste in a certain dosage ratio are uniformly mixed to form the sealant, and the sealant is directly used for sealing the detachable covering cap of the airplane, is not easy to adhere to a metal base material and/or an organic coating at room temperature, and is convenient to directly and freely detach. 本申请属于航空技术领域，具体涉及一种航空结构用密封剂及其用途。该密封剂包含一定用量比的基膏与硫化膏，且基膏与硫化膏中使用的增塑剂均为乙酰基柠檬酸三正丁酯，基膏中还使用一定质量比的硬脂酸和硬脂酸铝混合物作为稳定剂。取一定用量比的基膏与硫化膏混合均匀后形成密封剂，将该密封剂直接用于飞机可拆卸口盖处的密封，在室温下不易与金属基材和/或有机涂料发生粘连，方便直接自由拆卸。