The role of standard fabrics in the pilling test by random tumble method of fabrics
Fabric random tumbling method pilling test is a commonly used testing method in the textile industry. At present, different countries have different requirements for fabric random tumbling method pilling test standards. This article is based on GB/T 4802.4-2009 and ASTM D3512-07 , laboratory standard fabric used to calibrate newly installed pillboxes or cork liners for contamination. The specific use cases are as follows: It is used to check whether the test chamber can operate normally. 1. Use the standard fabric in the laboratory to complete the pilling test, because the test results of the standard fabric are known in advance. If there is a large deviation between the sample and the predetermined test results during the rating, it indicates that there is a problem with the test. Frequently used instruments should be checked at least once a week. Infrequent use, check before testing. 2. The random tumbling method is generally not used to test samples treated with silicone, easily sticky materials, and fabrics with unknown finishing methods. Because during the test, the treatment residue of the fabric is easy to contaminate the surface of the cork liner, thus affecting the test results. When testing such fabrics, it is necessary to use laboratory standard samples for auxiliary evaluation. The test samples are first tested according to the test methods in the standard. A comparative test was then performed on the used pad surface with a standard fabric. If the cork liner is soiled, the results of this test with the standard fabric will be different from the results of the test with the standard fabric on the unsoiled surface of the liner. After the test, the test results were recorded twice, and the cork liner was cleaned or replaced with a new one.
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Personal protective equipment must meet specific performance requirements before it can be used in demanding workplace environments. ISO, EN, and ASTM standards provide important test methods and performance requirements for different PPE categories. However, the applicable standard depends on the product, intended application, target market, and specific protection requirements.
This guide explains the role of ISO, EN, and ASTM standards in PPE testing and introduces common requirements for safety footwear, protective gloves, protective clothing, masks, and safety helmets. It also explains how laboratories can select suitable PPE testing equipment according to the applicable test method.
The Heat Contact Machine GT-C101 is a specialized testing instrument designed for evaluating the heat resistance and thermal protective performance of gloves, protective clothing, and other heat-resistant materials used in high-temperature environments. In industries such as smelting, casting, welding, and glass manufacturing, workers are frequently exposed to intense heat, making accurate testing of contact heat resistance essential for ensuring safety and compliance.
GT-C101 simulates real working conditions by measuring heat transfer delay and thermal transmission under instant contact with high-temperature surfaces. Fully compliant with EN 407, EN 702, and ISO 12127-1 standards, this machine provides precise, repeatable data for manufacturers, laboratories, and research institutions. With high-temperature capability up to 500°C, advanced calorimetry, digital monitoring, and adjustable contact speed, the Heat Contact Machine GT-C101 is an indispensable tool for developing and certifying next-generation PPE and heat-insulation materials.
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