Rounded-corner window of clean room

Provided is a rounded-corner window of a clean room. Keel and glass, the keel is bent and the two ends of the keel are connected to form a frame structure of the rounded-corner window; during arc bending, it is guaranteed that the dragon bone fracture edge is evenly stretched and smoothly transited at the arc angle position; a connector formed by connecting the two ends of the keel is fixed to themiddle of the upper portion of the rounded-corner window in a welded or riveted mode. The keel in the middle of the lower part of the rounded-corner window is provided with an air hole; a drying agent box is fixedly placed in the keel groove at the position of the air hole, a drying agent is placed in the drying agent box, an opening of the integrally-formed keel structure faces outwards, the whole length of the folded edges on the front side and the rear side of the keel is coated with butyl rubber which is used for pressing and attaching glass to form a hollow structure, and an opening groove of the keel is filled