Dry-type anti-leakage material

The invention provides a dry-type anti-leakage material. The dry-type anti-leakage material is prepared by the following components in parts by weight: 60 parts of flint clay aggregate, 6 parts of bauxite clinker, 10 parts of cryolite, 14 parts of nepheline, 10 parts of calcium aluminate cement and 0.5 part of an additive. The dry-type anti-leakage material provided by the invention has the advantages that the effect for preventing electrolyte leakage is strong, no sintering at high-temperature is adopted, the insulating property is good, the cost is low, the construction is convenient, and the service life of an electrolytic cell is prolonged. The dry-type anti-leakage material is suitable for being arranged between an insulating brick and a cathode carbon block at the bottom of an aluminium electrolysis cell.