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1. Purpose and scope
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标准适用于任何纺织品织物，不论其是否已做过拒水性能处理。本标准能测定织物抗水润湿性能，别适合于经拒水性能处理的纺织品，尤其是平纹机织物。
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由于本仪器简单和可携带，测试程序较为简洁，使得本标准特别适合于工厂产品控制。由于本标准不能测定水珠渗透到织物里面的性能，建议不要采用本标准评估防水织物的防雨渗透性能。
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本标准的测试结果与纤维、纱线及织物的整理的初拒水及润湿性能有关，和织物的结构关系不大。
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2. Principle
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在规定条件程序下，将水喷在一块绷紧的试样上，使其表面形成一润湿图案，其大小与织物的拒水性能有关。评定结果是将其与标准图案作对比而定。
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3. Instruments
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AATCC喷淋测试仪，250毫升量筒，去离子水。
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4. Test method
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（1）.将180X180mm测试样紧紧的固定于直径为152mm的环上，使它表面光滑，不可有自由折皱的表面。
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（2）.将带有织物的这个环放置在测试仪器的支架上，使得喷头的中心对准环的中心。
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(3). Make the warp direction of the fabric follow the direction of water droplets flowing down the cloth surface, add 250ml of water at 27±1℃ into the funnel of the funnel test instrument, and let it finish spraying in 25-30s. When adding liquid, avoid contact with it. funnel pick �。漏斗的移动会改变喷头与织物的相对位� �。
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（4）.喷淋时间必须控制在25-30s，否则应检查小孔是否扩大或堵塞。
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（5）.握住环的一侧，在环的对侧用硬物轻敲，并且测试样面向这个物体，然后转环180度，重复以上动作一次。
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5. Assessment level (with pictures)
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(1) 100 points: The upper surface is not wetted or wet;
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(2) 90 points: There is a small amount of water on the upper surface, and it is irregularly wet or wet;
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(3) 80 points: The upper surface is wetted when exposed to rain;
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(4) 70 points: The entire upper surface is partially wetted;
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(5) 50 points: All upper surfaces are completely wetted;
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（6）0分： 全部上层表面有部分润湿，并且表面下沉。
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</sectio
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