| 摘要 |
<p>To provide a novel glass surface protective-treating method that can long maintain the beauty and durability of the glass surface having been cleaned. A treating method by which the glass surface can be protected over a long period of time without a possibility of recontamination is provided, which comprises the first step of cleaning a glass surface with a hydrogen fluoride type cleaning agent and the second step of coating the cleaned glass surface with a silicon type coating agent. A new acid ammonium fluoride glass cleaning agent to remove blackening from glass is also disclosed.</p> |
