Patent ID: 11904386
Assignee: CITIC DICASTAL CO., LTD.
Field: Materials, metallurgy (Chemistry)
Classification: CPC B | IPC B

Claim 2:
3. The casting ladle for casting aluminum alloy according to claim 2, wherein the first thermal insulation layer is composed of first Al2O3 particles, first SiO2 particles, first CaO particles, first MgO particles, and a first binder, wherein the first SiO2 particles have a size of 40-60 μm, the first CaO particles have a size of 5-8 μm, and the first MgO particles have a size of 5-8 μm;
a proportion of the first SiO2 particles is 8-13 wt %, a proportion of the first CaO particles is 1-2 wt %, a proportion of the first MgO particles is 2-3 wt %, and a proportion of the first binder is 2-5 wt %, based on a total weight of the first thermal insulation layer.