| 摘要 |
PROBLEM TO BE SOLVED: To provide a steel sheet having excellent resin adhesion and color fastness.SOLUTION: A process liquid is used in producing a steel sheet for containers including a tinned layer provided steel sheet having a steel sheet and a tinned layer covering at least a part of the surface of the steel sheet and a film arranged on the surface of the tinned layer provided steel sheet on the side of the tinned layer and contains a Zr compound, a Si compound, and a nitric acid compound in amounts of Zr of 3-40 mmol/L, Si of 3-30 mmol/L, NOof 10-100 mmol/L, and F of lower than 0.1 mmol/L. |
