This product is a kind of aluminum alloy anodizing high temperature alkali-resistant sealing agent, composed of a, B agent mixed use. Agent a is a transparent liquid composed of a unique sealing material, a promoter, a ash suppressant, etc. . Agent B is a colorless transparent liquid composed of a unique Ph stabilizer, a complexing agent and a lubricant. It can be widely used in sealing anodized film and has good sealing effect. It is especially suitable for aluminum oxide parts with High Alkali Resistance.