CASTING MOULD RELEASE COATING Russian patent published in 2024 - IPC B22C3/00 

FIELD: foundry.

SUBSTANCE: invention relates to foundry, namely, to production of separating coatings based on refractory filler with liquid glass binder, and can be used for casting aluminium alloys in casting moulds. Casting mould release coating containing refractory filler, binder in form of liquid glass and water, wherein the refractory filler contains titanium dioxide and an insoluble barium salt, wherein the release coating contains components in the following ratio, wt.%: titanium dioxide 75-85, insoluble barium salt 5-10, liquid glass 10-15, and over 100% water in an amount providing coating density of 1,000-1,100 kg/mm³.

EFFECT: providing high sedimentation stability of not less than 96%.

2 cl, 7 dwg, 2 tbl, 1 ex