What is durable water repellent finish? - AskingLot.com
What is durable water repellent finish? Durable water repellent , or DWR , is a coating added to fabrics at the factory to make them water - resistant (hydrophobic). Durable water repellents are commonly used in conjunction with waterproof breathable fabrics such as Gore-Tex to prevent the outer layer of fabric from becoming saturated with water .