Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Understanding Fabric Breathability for Outdoor Gear Outdoor adventures demand clothing that can handle the elements, but just as importantly, manage your body's moisture. This is where breathability comes in, a crucial factor in fabric performance. When you're active, your body produces sweat. If this moisture can't escape, you'll feel clammy and uncomfortable, even in cold weather. Breathable fabrics allow water vapor to pass through, keeping you dry and comfortable. Outdoor wear benefits from a range of fabrics, each offering different levels of breathability. At the top end, certain high-performance waterproof and breathable fabrics and similar waterproof/breathable fabrics are engineered for maximum weather protection while efficiently transferring moisture. Softshell fabrics provide a strong balance of water and wind resistance with excellent breathability, making them ideal for active pursuits. Merino wool stands out for its natural breathability and temperature-regulating properties. Fleece offers warmth and moderate breathability, perfect for mid-layers. Finally, polyester and nylon's breathability varies significantly depending on their weave and any applied treatments, requiring careful consideration based on intended use. 1
Open the catalog to page 1Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 To quantify breathability, manufacturers use specialized tests. Air Permeability Tests measure how easily air flows through a fabric, indicating its ability to allow air circulation. Equipment used includes air permeability testers that measure air pressure and flow. Water Vapor Transmission Tests (WVTR) determine how much moisture vapor can pass through a fabric over time, crucial for evaluating sweat evaporation. WVTR testers use climate chambers and sensors to measure humidity changes. Labthink TQD-G1A Air Permeability Tester...
Open the catalog to page 2Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Labthink C360H Water Vapor Transmission Rate Test System is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96. This instrument can be used to measure the water vapor transmission rate of barrier materials with high, medium and lower moisture barrier properties with a wide testing range and high testing efficiency. The instrument features Labthink’s patented test chamber design with multiple test dishes. C360H is equipped with precision made test dishes, highly accurate...
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