How much do you know about the materials and waterproof principles of raincoats?
Raincoat is a commonly used and common item in our daily lives. It not only serves as a rainproof device when cycling, but also a necessary item for outdoor work in many industries. There are many materials for raincoats, but their working principles are similar. Next, let's learn about them with Feihe Labor Protection Industry.
What are the materials of raincoats
Material 1: PVC/PVC: It is a jelly translucent plastic raincoat commonly seen on the outside. This raincoat is cheap, has a variety of colors and styles, but is prone to damage.
Material 2: Nylon and polyvinyl chloride: The inner surface of the nylon fabric is coated with a layer of PVC waterproof layer, which is affordable and not easily damaged. It is currently the main material used for raincoats, but it is prone to wrinkles during wear.
Material 3: Waterproof and breathable fabric: The inner surface of the fabric is coated with a layer of waterproof and breathable coating, similar to raincoats commonly used by police and mountaineers, which has a waterproof and breathable effect, but is expensive.
Material 4: Oxford cloth: a fabric made of cotton or polyester through a specific weaving method, easy to wash and dry, soft to the touch, good moisture absorption, soft and breathable fabric color, comfortable to wear, but not wear-resistant.
The working principle of raincoats:
Rainwater droplets on top will quickly gather into a small droplet and flow away, which is the reason why raincoats are waterproof. Because the attraction of rubber molecules to water molecules is much smaller than the attraction between water molecules, water molecules prefer to gather together and roll down the raincoat surface. At the same time, the fabric used to make raincoats also has many small holes, but because rainwater does not soak the rubber, it is difficult for water molecules to pass through these small holes in the raincoat fabric. Therefore, these small holes do not have a blocking effect on air molecules, which ensures the breathability of the raincoat.