This product is a low temperature sealing agent for anodizing aluminum alloy. The utility model is an ultra-fine and uniform powder composed of nickel salt, Ph regulator, accelerator, ash suppressant, etc. . It can be widely used in sealing anodized film, the sealing effect is good, the surface is smooth after sealing, it can reduce the dye color seepage, powder film, fog and other undesirable phenomena, low temperature use, can greatly save energy, easy filtration, can be used for a long time.