| Why this repellency works sometimes and not others remains to be determined. |
| The canvas offers a unique combination of printability, flexibility and water repellency, according to the company. |
| Silicone fluids added to polishes or surface treatments deliver gloss, water repellency and improve rubout. |
| Thus, early feathers functioned in thermal insulation, communication, or water repellency, but not in aerodynamics and flight. |
| They make excellent lubricants and hydraulic fluids, as well as emulsions for imparting water repellency to textiles, paper, and other materials. |
| The leathery sheet object is excellent in water repellency and water resistance in sections formed by cutting. |
