| 摘要 |
The present invention provides for an applicator pad which in some embodiments comprises filter material. In some embodiments, the filter material is air filter material, and has certain wet and/or dry friction characteristics, density, thickness, compressive resistance, liquid absorptive capacity, porosity, spreading capability, and / or leveling capability. In some embodiments, the pad has a stepped or otherwise uneven height ( Figure 7 ). |
