What are the testing methods for waterproof Oxford fabric?

Abstract: Waterproof Oxford fabric is a commonly used fabric for tents, bags and other outdoor products. There are various testing methods for waterproof Oxford fabric. The editor will only briefly introduce a few methods that are commonly used and have accurate testing results. At present, the commonly used waterproof oxford fabric testing methods at home and abroad mainly include the water vapor pouring cup method and the Japanese Industrial Standard testing method standard by the American Society for Testing and Materials. All coated or laminated fabrics are secured to the support frame with rubber rings, with the coated or laminated side facing outward. The installation of the sample support system shall be subject to being able to float in a water tank with a water temperature of 23°C. After testing the quality of the test cup (including the sample, dry
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Waterproof Oxford fabric is a commonly used fabric for tents, bags and other outdoor products. There are various testing methods for waterproof Oxford fabric. The editor will only briefly introduce a few methods that are commonly used and have accurate testing results.

At present, the commonly used waterproof oxford fabric testing methods at home and abroad include the water vapor pouring cup method standard by the American Society for Testing and Materials Japan Industrial Standard testing methods.

All coated or laminated fabrics are secured with rubber rings On a support frame with the coated or laminate side facing out. The installation of the sample support system shall be subject to being able to float in a water tank with a water temperature of 23°C. After testing the quality of the test cup (including sample, desiccant and film) with the film facing upwards, quickly turn the test cup upside down and place it into the sample holder. This assembly method is placed in a constant temperature device of 30℃±2℃. After 15 minutes, take the test cup out of the thermostatic device, turn it upside down and measure its weight. The above are the practical methods for testing waterproof oxford fabrics at home and abroad. Most waterproof oxford fabrics that pass these testing methods can achieve waterproof and moisture-proof effects.

The United States has always been in the leading position in the waterproof fabric industry, and the country’s market is also very large, and the data tested by this method are relatively small. High, the ASTM standard has naturally become a commonly used method. Most customers now use this method for testing. The test principle of the water vapor inverted cup method is to cover the fabric to be tested on a breathable cup filled with distilled water, fix it and turn it upside down, weigh it with a top-loading balance with an accuracy of 0.001g, and place it in the position of the wind tunnel row. superior. Before the cup enters an environmental chamber with a temperature of 23°C, a relative humidity of 50%, and a wind speed of 2.5m/s for weighing, record the temperature and relative humidity of the environment. The weight of each cup and the time it took to weigh it were recorded. Record the weight at 3h, 6h, 9h, 13h, 23h, 26h, and 30h, and use the formula wvt=24*△m/(s*t) to calculate the water vapor transfer rate. The average value of 6 samples is used as the test result. The average value is multiplied by 24 and converted to the result in g/m2*24h.

The textile fabric of waterproof oxford fabric has the properties of oil repellency, water repellency and water pressure resistance. The method with high test results for this kind of fabric is jis l-1099 b1, b2
Japanese industrial standard testing. Test principle as a desiccant. Hoop the PTFE film on the plastic cup with a rubber ring to create a water vapor permeable cup. Before wrapping the film on the cup, put enough liquid into the water vapor-permeable cup to fill about 2/3 of the cup’s volume. Take 3 samples of 20cm*30cm square from each fabric. Each sample is placed on a test support frame.

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What are the testing methods for waterproof Oxford fabric?

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