abstract |
The present invention provides a novel treatment liquid and treatment method capable of imparting excellent antirust performance and good lubricity to various metal materials. A siliceous film-forming treatment solution comprising a solution containing an alkoxysilane oligomer, colloidal silica, and a lubricant, and a siliceous material which is subjected to a curing treatment after the treatment solution is applied to an object to be treated. Method for forming a film. [Selection figure] None |