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How much do you know about raincoat materials and waterproofing principles? Raincoats are co
Release time:
Nov 12,2021
Raincoats are common and frequently used items in our daily lives. They not only shield cyclists from rain but are also essential gear for outdoor work in many industries. While raincoats come in various materials, their working principles are largely similar.
Raincoats are common and frequently used items in our daily lives. They not only shield cyclists from rain but are also essential gear for outdoor work in many industries. While raincoats come in various materials, their working principles are largely similar.
What materials are raincoats made of:
Material 1: Polyvinyl Chloride (PVC)
These are the jelly-like, semi-transparent plastic raincoats commonly seen. They are inexpensive, come in many colors and styles, but tear easily.
Material 2: Nylon with PVC Coating: This involves applying a PVC waterproof layer to the inner surface of nylon fabric. Moderately priced and resistant to tearing, it is the primary material for modern raincoats. However, it tends to wrinkle easily during wear.
Material 3: Waterproof Breathable Fabric: This involves coating the inner surface of the fabric with a waterproof breathable coating. Commonly used in raincoats for police officers and mountaineers, it offers excellent waterproofing and breathability but comes at a high cost.
Material 4: Oxford Cloth Made from nylon or polyester through a specific weaving technique, it is easy to wash, dries quickly, has a soft handfeel, excellent moisture absorption, and a gentle fabric color. It is soft, breathable, and comfortable to wear, but not highly abrasion-resistant.
How Raincoats Work:
When raindrops land on the surface, they quickly coalesce into small beads that roll off. This non-wetting phenomenon is precisely why raincoats repel water. Rubber molecules exert far less attraction on water molecules than the intermolecular forces between water molecules themselves. Water molecules prefer to cluster together and roll down the raincoat's surface. Simultaneously, the fabric used for raincoats contains numerous tiny pores. Since water molecules cannot penetrate the rubber coating, they struggle to pass through these pores. These pores, however, do not impede air molecules, ensuring the raincoat remains breathable.
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The company's primary products include polyvinyl chloride (PVC) solid synthetic leather and PVC foam synthetic leather, among other polymer composite new materials.