| 摘要 |
<p>The present invention refers to a formula for a concentrate used in a device with an exposed surface, which allows the permanent ink to be removed or diminished, using materials with a base stable with a mixture of organic solvents used in this invention; the gel base has a viscosity of from about 2000 to 4000 cp., for allowing the same to flow in a correct manner without being a split liquid or a product of a high viscosity that is not correctly flowed and which results in poor performance during the application thereof.</p> |
