Patent ID: 8205659

Claim:
Mold release agent for producing a coating on a permanent mold, wherein the mold release agent is made from deionized water and comprises the following ingredients: a component in the form of sodium hydroxide and/or calcium hydroxide and/or aluminum chloride, a phosphate-containing binder in the form of monoaluminum phosphate and/or monozinc phosphate and/or monomagnesium phosphate and/or monosodium phosphate and/or boron phosphate, and a component of structural parts in the form of Al 2 O 3 and/or SiO 2 and/or TiO 2 and/or ZrO 2 is present and has a grain size of 80 nm to 200 nm, and/or primary parts in the form of Al 2 O 3 , SiO 2 , ZnO, ZrO 2 , CeO, TiO 2 and/or mica are present and have a grain size of 2 nm to 80 nm, an organic and/or inorganic dispersing agent.