Скачать или смотреть What Is The Science Behind Waterproof Jacket Membranes? - The Hiker's Advice

What Is The Science Behind Waterproof Jacket Membranes? Have you ever wondered how waterproof jackets keep you dry while still allowing sweat to escape? In this video, we’ll explain the science behind waterproof jacket membranes and how they work to keep you comfortable during outdoor adventures. We’ll start by discussing the tiny structures inside the fabric that make this possible, including microscopic pores that block rain but let vapor pass through. You’ll learn about the materials used, such as expanded polytetrafluoroethylene (ePTFE), and how these membranes are bonded to fabrics to create durable, weather-resistant gear. We’ll also cover how waterproofness is measured using hydrostatic head (HH) and what levels are suitable for different weather conditions. Additionally, we’ll explore breathability metrics like moisture vapor transmission rate (MVTR) and resistance to evaporative heat transfer (RET), helping you understand how jackets manage sweat during activity. We’ll compare different types of membranes, including high-performance options like GORE-TEX, and discuss features like taped seams and waterproof zippers that enhance protection. Whether you’re a hiker, trail runner, or outdoor enthusiast, knowing how these membranes work can help you choose the right gear for your needs. Stay dry, comfortable, and prepared for any weather with the right waterproof jacket.

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