| 20110045198 | Powder Size - The invention relates to a method for application of a refractory coating to lost forms, cores and other mineral and metal objects, wherein before application of the refractory coating, the lost forms, cores and other mineral and metal objects are made conducting by application of an electrolyte solution an coated with a solution, dispersion or suspension of a polymer and the refractory coating then applied in the form of a dry size by means of an electrostatic or tribostatic powder spray method and a dry size for use in said method. | 02-24-2011 |
