Because of these problems, there is a demand for coatings that are easy and inexpensive to manufacture and apply, have good resistance to water, oil and grease, and are biodegradable or easily ...

For those, I looked for lightweight and packable jackets treated with a durable water-resistant (DWR) coating. A water-resistant jacket should keep you dry in all but the most extreme cases ...

However, these phones are not fully protected against water damage. Manufacturers apply a special coating to the device to make it resistant to small amounts of water. But if such a phone is ...